ClassID:

29435

B01D46/0005 - page 5 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours; Casings; Housings; Frame constructions Mounting of filtering elements within casings, housings or frames

Recent Application in this class:
#1201
20170232373
2017-08-17

Filter housing for filter fan

#1202
20170216751
2017-08-03

Suspendable filter bag system

#1203
20170216748
2017-08-03

Filter Element, in Particular for Gas Filtration

#1204
20170211841
2017-07-27

Flip hinged filter grille on service panel cover for air conditioning fan coil

#1205
20170209822
2017-07-27

Air filtering system for an electrical enclosure

#1206
20170209816
2017-07-27

Break-away filter housing apparatus

#1207
20170203246
2017-07-20

Filter elements; air filter arrangements; and, methods

#1208
20170199061
2017-07-13

Pressure compensator for meter housing

#1209
20170191452
2017-07-06

Drawer type air cleaner having increased maintenance convenience, and intake system and vehicle having the same

#1210
20170189843
2017-07-06

Sterilizing method and apparatus

#1211
20170184063
2017-06-29

Air cleaner of engine for portable working machine

#1212
20170182588
2017-06-29

Filter device for gas filtration and filter element for a filter device for gas filtration

#1213
20170182450
2017-06-29

Filter exchange device, control method of filter exchange device, and gas turbine equipment

#1214
20170182446
2017-06-29

HVAC FILTRATION SYSTEM

#1215
20170182445
2017-06-29

Refillable air filter assembly

#1216
20170182444
2017-06-29

Filter cartridge with seal member and methods

#1217
20170182443
2017-06-29

Air filter arrangement; assembly; and, methods

#1218
20170175686
2017-06-22

Interface air filter and assembly

#1219
20170175685
2017-06-22

Air filter housing and air filter for an air intake conduit of an internal combustion engine

#1220
20170173512
2017-06-22

Filter elements with end cap features; element support assembly; and methods

#1221
20170173501
2017-06-22

Filter assembly and method of use

#1222
20170167453
2017-06-15

Air intake structure of straddle type vehicle

#1223
20170165600
2017-06-15

Air cleaner

#1224
20170165599
2017-06-15

Smoke filter

#1225
20170151576
2017-06-01

Spray dryer with improved exhaust gas filtration system

#1226
20170151526
2017-06-01

Method and system for replacing an air filter

#1227
20170151518
2017-06-01

Air cleaner

#1228
20170145968
2017-05-25

Air intake system for a work vehicle with enhanced pre-cleaner serviceability

#1229
20170144120
2017-05-25

Spray dryer

#1230
20170144094
2017-05-25

Filter sealing assembly and filtration vessel

#1231
20170138240
2017-05-18

System for treating the exhaust gases for a vehicle equipped with internal combustion engine

#1232
20170138234
2017-05-18

Holding material, method for producing same, and gas treatment device using same

#1233
20170136395
2017-05-18

Filter retainer arrangement

#1234
20170128875
2017-05-11

Downdraft table with spark arrestor

#1235
20170128871
2017-05-11

AIR FILTER FOR ELECTRONIC DEVICES

#1236
20170128869
2017-05-11

Assembly, kit and method for securing a covering to an air intake including connecting inserts

#1237
20170128868
2017-05-11

Assembly, kit and method for securing a covering to an air intake including magnetic connecting inserts

#1238
20170128867
2017-05-11

Virtual impactor filter assembly and method

#1239
20170122270
2017-05-04

Curved base air cleaner

#1240
20170120267
2017-05-04

Apparatus and method for spray drying

#1241
20170120233
2017-05-04

Laboratory work cabinet with filter mounting mechanism

#1242
20170120171
2017-05-04

Ripcord locking methods

#1243
20170115028
2017-04-27

Air conditioner

#1244
20170114740
2017-04-27

Methods and systems for rotating an exhaust aftertreatment device

#1245
20170110857
2017-04-20

Apparatus for Collecting and Filtering Arc By-Products

#1246
20170106321
2017-04-20

Closure system for a filter door in an industrial extraction system

#1247
20170106320
2017-04-20

Interface air filter and assembly

#1248
20170106218
2017-04-20

Portable electronic device with a smart air purifier

#1249
20170103785
2017-04-13

Particulate filter

#1250
20170096973
2017-04-06

Filter and filter cartridge

#1251
20170096972
2017-04-06

Filter and Filter Cartridge

#1252
20170096971
2017-04-06

Filter and filter cartridge

#1253
20170096925
2017-04-06

Retaining material for pollution control element, method for manufacturing the same, and pollution control device

#1254
20170095763
2017-04-06

Bag filter arrangement

#1255
20170095761
2017-04-06

Filter assembly with cam-lock filter interface

#1256
20170087498
2017-03-30

Filter assemblies and methods for producing filter assemblies

#1257
20170080115
2017-03-23

Mobile sterilization apparatus and method for using the same

#1258
20170074218
2017-03-16

Automobile air filtration system

#1259
20170072355
2017-03-16

Atmosphere conditioning device

#1260
20170065921
2017-03-09

AIR PURIFIER

#1261
20170056809
2017-03-02

Filters, mounts and methods of mounting filters

#1262
20170056801
2017-03-02

Modular inlet filter for a compressor system

#1263
20170056800
2017-03-02

FILTER ASSEMBLY FOR PROVIDING PURIFIED AIR

#1264
20170050136
2017-02-23

Filter assembly with curved inlet guide

#1265
20170050135
2017-02-23

Intake air filter device, filter replacement method of intake air filter device, and gas turbine

#1266
20170050058
2017-02-23

Mouthheld filter apparatus

#1267
20170043291
2017-02-16

Filter device for gas container and method of installing the same

#1268
20170036156
2017-02-09

Filter arrangements; housings; assemblies; and, methods

#1269
20170036155
2017-02-09

Air filter system and air filter element for an air filter system

#1270
20170036150
2017-02-09

Filter assemblies; components and features thereof; and, methods of use and assembly

#1271
20170028340
2017-02-02

Air filter arrangement; assembly; and methods

#1272
20170028336
2017-02-02

Air filtration equipment, screen window and window

#1273
20170028326
2017-02-02

Filter assembly

#1274
20170021298
2017-01-26

HVAC home air filter

#1275
20170014746
2017-01-19

Snap in place natural gas filter

#1276
20170014744
2017-01-19

Modular filter system, housing frame part of a modular filter system, filter module and housing module

#1277
20170014743
2017-01-19

Multi-component holding assembly for multi-panel air filter

#1278
20170007951
2017-01-12

Magnetic Vent Filter

#1279
20170002705
2017-01-05

Separation element of liquid separator, separation medium, liquid separator, and method for producing separation element

#1280
20170001134
2017-01-05

Air filter element with retaining geometry

#1281
20160378057
2016-12-29

Filter frame and filter assembly

#1282
20160375392
2016-12-29

AIR CLEANER

#1283
20160375382
2016-12-29

FILTER GROUP

#1284
20160363020
2016-12-15

Unidirectional flow diesel particulate filter

#1285
20160354719
2016-12-08

Filter element

#1286
20160354716
2016-12-08

SEPARATE FILTER BED TYPE CYLINDRICAL FILTER AND CYLINDRICAL AIR CLEANER THEREBY

#1287
20160353704
2016-12-08

Method and system for monitoring air flow impurity

#1288
20160346722
2016-12-01

Filter element

#1289
20160346415
2016-12-01

Autoclave sterilization cabinet

#1290
20160341467
2016-11-24

ACTIVE AIR FILTER ASSEMBLIES FOR REFRIGERATOR APPLIANCES

#1291
20160339375
2016-11-24

Filter assembly

#1292
20160339374
2016-11-24

Forcing and fixing structure for the filter cylinders of a filter cylinder type dust collector

#1293
20160332103
2016-11-17

Pin filter

#1294
20160332008
2016-11-17

Drop-down Respirator System

#1295
20160325218
2016-11-10

Air cleaner

#1296
20160319781
2016-11-03

Air cleaner filter assembly for motor vehicles operating in extreme weather conditions

#1297
20160317963
2016-11-03

HVAC home air filter

#1298
20160305376
2016-10-20

FILTER ELEMENT, IN PARTICULAR FOR GAS FILTRATION

#1299
20160297285
2016-10-13

Filter element having a flap and a filter system

#1300
20160296872
2016-10-13

Filter holder, filter element and filter arrangement

#1301
20160296870
2016-10-13

VENT FILTER AND APPLIANCE UTILIZING SUCH A FILTER

#1302
20160296869
2016-10-13

Filter holder and filter arrangement

#1303
20160296868
2016-10-13

Filter holder, filter element and filter arrangement

#1304
20160296867
2016-10-13

Filter element and filter arrangement

#1305
20160288039
2016-10-06

Air cleaner arrangements; components; and, methods

#1306
20160280045
2016-09-29

Cabin air filter and filter assembly

#1307
20160280044
2016-09-29

Air Filter for a Ventilation Device of a Motor Vehicle

#1308
20160279557
2016-09-29

Air cleaner arrangements; components; and methods

#1309
20160279554
2016-09-29

Air filter system, air filter element and method for exchanging an air filter element

#1310
20160279553
2016-09-29

Air filter and filter element of an air filter

#1311
20160271885
2016-09-22

Three-dimensional rapid prototyping apparatus and powder filtering mechanism thereof

#1312
20160271551
2016-09-22

Filter elements; air cleaner; assembly; and, methods

#1313
20160271543
2016-09-22

DUST COLLECTOR WITH FILTER CARTRIDGE(S)

#1314
20160263512
2016-09-15

Filter cartridge for a filter apparatus

#1315
20160263510
2016-09-15

Coated, reticulated foam air filter suitable for respiration

#1316
20160252016
2016-09-01

Gas turbine filtration system with inlet filter orientation assembly

#1317
20160243484
2016-08-25

Air cleaner housing

#1318
20160243483
2016-08-25

Filter with engine integrity protection

#1319
20160236211
2016-08-18

Inlet device for gravity separator

#1320
20160236130
2016-08-18

POSITIVE PRESSURE AIRFLOW BLOWER POWERED FILTRATION DEVICE

#1321
20160236128
2016-08-18

Air filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#1322
20160236127
2016-08-18

Liquid separator

#1323
20160236126
2016-08-18

AIR PURIFICATION SYSTEM

#1324
20160236125
2016-08-18

Electronic control device

#1325
20160230716
2016-08-11

Filter element and air cleaner assembly

#1326
20160230715
2016-08-11

Filter element, in particular for gas filtration

#1327
20160230714
2016-08-11

Filter element and filter system

#1328
20160230713
2016-08-11

Snap-in spring clip assembly

#1329
20160228804
2016-08-11

Filter device, in particular for gas filtration

#1330
20160220940
2016-08-04

Air filter

#1331
20160220935
2016-08-04

Hollow filter element, grip device of a hollow filter element, and filter device with at least one hollow filter element

#1332
20160220934
2016-08-04

Filter element, in particular, for gas filtration

#1333
20160216001
2016-07-28

SINGLE PIECE REGISTER COVER

#1334
20160214048
2016-07-28

Inline pre-filter for aspirated detectors

#1335
20160214047
2016-07-28

Filter device

#1336
20160214046
2016-07-28

Collapsible filter with support structure

#1337
20160206986
2016-07-21

Filter element, dust collector, and methods

#1338
20160201619
2016-07-14

Filter element

#1339
20160199770
2016-07-14

Air filter arrangements; assemblies; and, methods

#1340
20160193559
2016-07-07

Filter arrangements; housings; assemblies; and, methods

#1341
20160193557
2016-07-07

Support tube, filter element and filter system having a support tube and method and device for producing the support tube

#1342
20160184757
2016-06-30

Air filter arrangement; assembly; and, methods

#1343
20160184756
2016-06-30

Air cleaner arrangements; serviceable filter elements; and, methods

#1344
20160184754
2016-06-30

System for providing flow of filtered air

#1345
20160184744
2016-06-30

Compressor system having filter assembly with replaceable filter element holder

#1346
20160177891
2016-06-23

Filter element, air cleaner, and methods

#1347
20160175756
2016-06-23

Method of forming filter arrangements; and, apparatus

#1348
20160166971
2016-06-16

Exhaust treatment apparatus and container apparatus

#1349
20160166964
2016-06-16

Air filter

#1350
20160160816
2016-06-09

Extended gasket profile

#1351
20160158683
2016-06-09

Oil separator

#1352
20160158682
2016-06-09

Filter element, in particular for gas filtration

#1353
20160151731
2016-06-02

Adapter assembly for securing a precleaner to an air filtration system

#1354
20160144310
2016-05-26

Filter cartridge arrangements and assemblies; preferred features; methods of assembly and use

#1355
20160136562
2016-05-19

Air filter having fluted filter media

#1356
20160136561
2016-05-19

Air filter arrangement; air cleaner assembly; and, methods

#1357
20160131094
2016-05-12

Air filter, filter element and filter housing of an air filter

#1358
20160131033
2016-05-12

Filtration system and method for cleaning the intake air of a gas turbine

#1359
20160123282
2016-05-05

Hollow filter element, filter housing and filter

#1360
20160121253
2016-05-05

High pressure compressed air/gas/steam filter

#1361
20160121250
2016-05-05

Separation element and pressure accumulator system

#1362
20160115917
2016-04-28

Hollow filter element, filter housing, and filter

#1363
20160114274
2016-04-28

Filtration systems

#1364
20160106281
2016-04-21

Dust collector and filtering device thereof

#1365
20160102638
2016-04-14

Filter element, filter housing of an air filter and air filter

#1366
20160101382
2016-04-14

Filter element, especially for gas filtration

#1367
20160101380
2016-04-14

Filter housing, hollow filter element and filter

#1368
20160101379
2016-04-14

Filter frame adapter

#1369
20160098069
2016-04-07

External filter for computers/electronics

#1370
20160096133
2016-04-07

Filter media support core

#1371
20160096132
2016-04-07

Cam lock system for reciprocating air compressor inlet filter

#1372
20160074797
2016-03-17

Air cleaner

#1373
20160074796
2016-03-17

FILTER ELEMENT

#1374
20160074794
2016-03-17

Filter element for a filter device for gas filtration

#1375
20160067643
2016-03-10

Integrated filter support

#1376
20160067642
2016-03-10

Frame assembly for an air filter

#1377
20160059174
2016-03-03

Filter element and filter system

#1378
20160059172
2016-03-03

FILTER ELEMENT AND AIR CLEANER ASSEMBLY

#1379
20160059169
2016-03-03

Filter cartridge structure having high efficiency particulate air filter (HEPA) of dust collector

#1380
20160059168
2016-03-03

Textile silica reduction system

#1381
20160052371
2016-02-25

AIR CLEANER ASSEMBLY

#1382
20160052095
2016-02-25

Assembly, kit and method for securing a covering to an air intake face

#1383
20160051922
2016-02-25

Air exchange device

#1384
20160051909
2016-02-25

Filter element and housing with cooperating filter media support structures

#1385
20160045848
2016-02-18

Air filter cartridges; air cleaner assemblies; housings; features; components; and, methods

#1386
20160045847
2016-02-18

Filter element for separating particles from a particle-laden crude gas stream

#1387
20160040633
2016-02-11

Filter element and method for producing same

#1388
20160038862
2016-02-11

Multi-cartridge filter adapter and interface system and method

#1389
20160030874
2016-02-04

AIR FILTER ASSEMBLY

#1390
20160030873
2016-02-04

DUST FILTER BARREL

#1391
20160030872
2016-02-04

Air filter

#1392
20160030871
2016-02-04

FILTER WITH MAGNETIC SEAL

#1393
20160030869
2016-02-04

AIR FILTER DEVICE AND AIR FITLER ELEMENT HAVING AN INTEGRATED BYPASS

#1394
20160025110
2016-01-28

Filter mounts for a portable fan and methods for mounting a filter to a portable fan

#1395
20160023151
2016-01-28

ONE TYPE OF WALL-MOUNTED AIR PURIFIER

#1396
20160023150
2016-01-28

Air filter with balanced seal

#1397
20160023142
2016-01-28

Filter cartridge end plate for use in removing a filter cartridge from a shell

#1398
20160008503
2016-01-14

Autoclave sterilization cabinet

#1399
20150375152
2015-12-31

Assembly, kit and method for securing a covering to an air intake face

#1400
20150375151
2015-12-31

AIR FILTER FOR COLLECTING DEBRIS IN AN AIRCRAFT VENTILATION DUCT

#1401
20150369496
2015-12-24

Filter element and filter assembly having two filtration zones

#1402
20150369182
2015-12-24

Inline dump-able fuel system dust filter with pressure relief valve

#1403
20150367273
2015-12-24

Air filter arrangement; assembly; and, methods

#1404
20150360160
2015-12-17

Holding frame assembly and flexible retainers for same

#1405
20150352478
2015-12-10

Coalescer filter

#1406
20150345807
2015-12-03

Air intake—drainage features

#1407
20150345438
2015-12-03

Air filter assembly for a machine

#1408
20150343364
2015-12-03

Seal arrangement for filter element; filter element assembly; and, methods

#1409
20150343359
2015-12-03

Filter device, in particular air filter

#1410
20150343358
2015-12-03

Air filter assembly filling plenum interior space

#1411
20150338142
2015-11-26

Compressor low cost oil filter

#1412
20150337698
2015-11-26

Separation device for an aerosol stream

#1413
20150336042
2015-11-26

Filter system for a building and filter device

#1414
20150336041
2015-11-26

Segmented Filter Assembly

#1415
20150336040
2015-11-26

AIR PURIFICATION DEVICE

#1416
20150328573
2015-11-19

Angle grinder with air intake filter

#1417
20150316009
2015-11-05

Filter element

#1418
20150314026
2015-11-05

Mobile sterilization apparatus and method for using the same

#1419
20150308311
2015-10-29

Substrate with sinuous web and particulate filter incorporating the same

#1420
20150306530
2015-10-29

Air filter arrangement; assembly; and, methods

#1421
20150298041
2015-10-22

DUST COLLECTOR WITH MONITOR AIR FILTER

#1422
20150298039
2015-10-22

Filter cartridge; features and methods of assembly; filter assemblies; and, filter cartridge combinations

#1423
20150298038
2015-10-22

Filter systems with dirty air chamber spacer elements and methods of using the same

#1424
20150292377
2015-10-15

Automotive air cleaner elements with attachment/insulation feature

#1425
20150290573
2015-10-15

Backing net structure

#1426
20150283489
2015-10-08

Air filter mounting and demounting apparatus for over-the-range microwave oven

#1427
20150273384
2015-10-01

Filter for a propellant gas evacuation system

#1428
20150273383
2015-10-01

Strip, filter with the strip, method and apparatus for producing the strip

#1429
20150273378
2015-10-01

Air cleaner

#1430
20150271952
2015-09-24

POWER SUPPLY UNIT WITH DUST-REMOVING APPARATUS

#1431
20150267927
2015-09-24

COLLAPSIBLE AIR FILTER ASSEMBLY

#1432
20150267594
2015-09-24

Exhaust component mounting structure

#1433
20150265959
2015-09-24

Collapsible and/or assembled filter housing and filter used therewith

#1434
20150265958
2015-09-24

Gas filter systems for fluid processing systems

#1435
20150260427
2015-09-17

CONNECTOR FRAME FOR DUCT BOOT

#1436
20150260134
2015-09-17

Inline dump-able fuel system dust filter

#1437
20150258481
2015-09-17

Modular Gas and Odor Filtering Device and Method

#1438
20150251123
2015-09-10

Air cleaner; replaceable filter cartridges; and, methods

#1439
20150251122
2015-09-10

Filter cartridges; features and methods of assembly; air cleaner assemblies; and, filter cartridge combinations

#1440
20150251120
2015-09-10

Filter element adaptor for compressed air filter

#1441
20150251119
2015-09-10

Filtration assembly comprising a filter and a filter support and associated method for the collection and analysis of nanoparticles

#1442
20150246308
2015-09-03

Filter assembly and filter assembly manufacturing method

#1443
20150240720
2015-08-27

Inlet air filter arrangement, inlet air filter cartridge, and equipment for supporting inlet air filter cartridges for a gas turbine or a combustion turbine

#1444
20150238891
2015-08-27

Backing net structure

#1445
20150233327
2015-08-20

Air box with integrated filter media

#1446
20150231545
2015-08-20

Suspendable Filter Bag System

#1447
20150224434
2015-08-13

Filter frame

#1448
20150224433
2015-08-13

Filter frame

#1449
20150209708
2015-07-30

Flexible Air Filter Assembly

#1450
20150209462
2015-07-30

Sterilizing method and apparatus

#1451
20150204282
2015-07-23

Filter housing, fluted filter and safety filter

#1452
20150196864
2015-07-16

Air filter arrangement; assembly; and, methods

#1453
20150182897
2015-07-02

Filter tube for high temperature gas-solid separation

#1454
20150176545
2015-06-25

Self-cleaning air filter

#1455
20150176544
2015-06-25

Filter housing and filter assembly

#1456
20150176491
2015-06-25

Bird strike prevention device for jet engine, and airplane incorporating the same

#1457
20150174518
2015-06-25

Filter element with filter pockets

#1458
20150174508
2015-06-25

Gas-liquid separator

#1459
20150167602
2015-06-18

Filter device, in particular for gas filtration

#1460
20150167601
2015-06-18

Filter device, in particular for gas filtration

#1461
20150165359
2015-06-18

Bottom filter frame tab relief

#1462
20150151234
2015-06-04

AIR FILTER HAVING ADHESIVE TAPE WITH ADHESIVE SIDE EXPOSED TO AIR FLOW

#1463
20150151233
2015-06-04

Support structure for pleated filter media and methods

#1464
20150151232
2015-06-04

Honeycomb structure and manufacturing method of honeycomb structure

#1465
20150143997
2015-05-28

Apparatus for conditioning of gases

#1466
20150143785
2015-05-28

Filter

#1467
20150135665
2015-05-21

Cabin air filter and filter element for a cabin air filter

#1468
20150135664
2015-05-21

COALESCERS WITH MESHED COALESCING MEDIA

#1469
20150135659
2015-05-21

Gas turbine filtration system with inlet filter orientation assembly

#1470
20150128804
2015-05-14

Filters, filter mounts, and methods of mounting filters

#1471
20150128546
2015-05-14

Filter assembly and filter element for use in the assembly

#1472
20150128540
2015-05-14

GAS TURBINE FILTER AND METHODS OF ASSEMBLING SAME

#1473
20150113931
2015-04-30

Filter element and filter assembly

#1474
20150113930
2015-04-30

Filter assemblies and methods for producing filter assemblies

#1475
20150113926
2015-04-30

AIR CLEANER, COMPONENTS THEREOF, AND METHODS

#1476
20150107458
2015-04-23

Particle filter

#1477
20150107203
2015-04-23

Mold-preventing air filter filtration medium and mold-preventing air filter

#1478
20150107202
2015-04-23

Filter and methods of manufacturing the same

#1479
20150107200
2015-04-23

Filter Device, Especially Air Filter

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2015-04-23

Cylindrical Filtration Apparatus Assembly

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20150101487
2015-04-16

Compressor and oil amount management system for compressor

#1482
20150101299
2015-04-16

Assemblies; components and filter features thereof; and, methods of use and assembly

#1483
20150101298
2015-04-16

Filter assemblies; components and features thereof; and, methods of use and assembly

#1484
20150101296
2015-04-16

Segmented bendable filter

#1485
20150101294
2015-04-16

Air filter arrangement; assembly; and, methods

#1486
20150101292
2015-04-16

Filter arrangements; components; and, methods

#1487
20150096274
2015-04-09

Honeycomb filter

#1488
20150090611
2015-04-02

PRESSURE RELEASE DEVICE FOR ADSORBED GAS SYSTEMS

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20150089908
2015-04-02

MODULAR TRASH SCREEN COMPONENT FOR AIR INLET DUCT OF TURBINE SYSTEM

#1490
20150082756
2015-03-26

Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner

#1491
20150082755
2015-03-26

Filter cartridge with centerboard, dust collectors, and methods

#1492
20150068175
2015-03-12

Air filter arrangement; air cleaner assembly; and, methods

#1493
20150059584
2015-03-05

Filter system with sensor socket

#1494
20150059302
2015-03-05

Filter system having a support tube

#1495
20150059297
2015-03-05

Air filter system and air filter element for an air filter system

#1496
20150052864
2015-02-26

Prefilter Wrap

#1497
20150052860
2015-02-26

Filter element support assembly, quick installation system, and methods

#1498
20150040525
2015-02-12

Exhaust gas-treating device

#1499
20150033687
2015-02-05

Filter structure for removing contaminants from stream of fluid

#1500
20150027094
2015-01-29

Filter elements, air filter arrangements; and methods