ClassID:

142818

F04B23/02 - page 2 - CPC Classification

Classification description:

Pumping installations or systems having reservoirs

Recent Application in this class:
#301
20150355644
2015-12-10

Shallow fluid extractor

#302
20150322941
2015-11-12

Structure for preventing submersion of device

#303
20150297039
2015-10-22

Mini pump with compressible air inlet chamber for providing residual suck-back

#304
20150292307
2015-10-15

Synchronized pump down control for a dual well unit with regenerative assist

#305
20150285243
2015-10-08

Hydraulic pumping assembly, system and method

#306
20150285035
2015-10-08

Controlled pressure equalization

#307
20150283570
2015-10-08

Portable fluid dispersal device

#308
20150275925
2015-10-01

Hydraulic circuit supply system

#309
20150233369
2015-08-20

Method and apparatus for closed loop automatic refill of liquid color

#310
20150233360
2015-08-20

Peristaltic positive displacement pump apparatus

#311
20150231656
2015-08-20

Pump suction/expulsion for liquids and gases versatile

#312
20150211682
2015-07-30

Cooling of a Dewar vessel with ice free coolant and for short sample access

#313
20150211503
2015-07-30

DEVICE FOR THE DRIVE CONTROL OF A TWO-CYLINDER THICK MATTER PUMP

#314
20150167664
2015-06-18

Device for delivering liquid at a stable flow rate

#315
20150122353
2015-05-07

Check valve and pumping system

#316
20150107683
2015-04-23

Method of reducing leaks from a pipeline

#317
20150104328
2015-04-16

Subsea pumping apparatuses and related methods

#318
20150098836
2015-04-09

Beverage production module and method for operating a beverage production module with reduced voltage

#319
20150090304
2015-04-02

Cleaning device for kitchen appliances and pump systems

#320
20150078940
2015-03-19

ELECTRIC PUMP AND CLEANING DEVICE FOR ON-VEHICLE OPTICAL SENSOR

#321
20150075644
2015-03-19

Heart-type circulation device

#322
20150071802
2015-03-12

Device for dosing a fill product into a container to be filled

#323
20140369855
2014-12-18

Dual displacement fluid level control pump

#324
20140328664
2014-11-06

SINGLE CIRCUIT DOUBLE-ACTING PUMP

#325
20140294603
2014-10-02

Synchronized dual well variable stroke and variable speed pump down control with regenerative assist

#326
20140270728
2014-09-18

Domestic appliance comprising an actuator

#327
20140238499
2014-08-28

Pumping of collected liquids in systems

#328
20140238359
2014-08-28

Fuel tank arrangements for self-priming floating pumps

#329
20140183869
2014-07-03

Method and apparatus for using wind energy or solar energy for an underwater and/or for an under seabed compressed air energy storage system

#330
20140157956
2014-06-12

Domestic appliance comprising an actuator

#331
20140138457
2014-05-22

Thermoelectric pumping apparatus

#332
20140130897
2014-05-15

Rectangular pump attachment interface providing a portable fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir

#333
20140127066
2014-05-08

Inline pump assembly and method

#334
20140105756
2014-04-17

Fluid pump speed control

#335
20140028022
2014-01-30

Hydraulic suction line

#336
20140007468
2014-01-09

Lubrication pump

#337
20130327413
2013-12-12

Reservoir filling systems and methods

#338
20130305724
2013-11-21

AUXILIARY POWER SYSTEM AND METHOD

#339
20130294935
2013-11-07

System and method for a compressor

#340
20130294934
2013-11-07

System and method for a compressor

#341
20130291973
2013-11-07

Pressure washer device employing a cool bypass

#342
20130287593
2013-10-31

Transmission fluid exchange machine

#343
20130255805
2013-10-03

FUEL SUPPLY DEVICE

#344
20130112284
2013-05-09

Liquid storage container

#345
20130094977
2013-04-18

Hydraulic pump with communicating vessels

#346
20130087227
2013-04-11

Tank container with a pump assembly

#347
20130081387
2013-04-04

Fluid cooling device

#348
20130068792
2013-03-21

Mobile delivery platform for flowable explosive

#349
20130039778
2013-02-14

SYSTEM AND METHOD FOR CONTROLLING LINEAR PUMP SYSTEM

#350
20120328453
2012-12-27

Well pumping and control system

#351
20120312160
2012-12-13

Fluid pump having liquid reservoir and modified pressure relief slot

#352
20120308409
2012-12-06

Pump based fluid flow meter

#353
20120282121
2012-11-08

Plural component pumping system

#354
20120275927
2012-11-01

Water-leak Damage Prevention System Utilizing A Unitized Tank Collection Flange Reservoir System

#355
20120241014
2012-09-27

Portable pressure washer

#356
20120234739
2012-09-20

Water purification system

#357
20120187676
2012-07-26

Pump attachment interface providing a fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir

#358
20120145743
2012-06-14

Device and method for discharging constant amount of high-viscosity material

#359
20120118328
2012-05-17

Automatic portable fluid dispersal device

#360
20120116302
2012-05-10

Reservoir filling systems and methods

#361
20120083730
2012-04-05

Variable Volume, Shape Memory Actuated Insulin Dispensing Pump

#362
20110315787
2011-12-29

Pressure washer device employing a cool bypass

#363
20110274567
2011-11-10

LUBRICANT PUMP AND MACHINE WITH SUCH A LUBRICANT PUMP

#364
20110217183
2011-09-08

Beverage production module and method for operating a beverage production module

#365
20110198413
2011-08-18

Portable airless sprayer

#366
20110185717
2011-08-04

Hydraulic manifold pump

#367
20110135502
2011-06-09

Hydraulic reservoir for hydraulic regenerative circuit

#368
20110070103
2011-03-24

Device and method for pumping a cryogenic fluid

#369
20110009825
2011-01-13

Reservoir filling systems and methods

#370
20100327011
2010-12-30

Mobile delivery platform for flowable explosive

#371
20100276019
2010-11-04

Solution feeding device

#372
20100263752
2010-10-21

Pumpbox

#373
20100135831
2010-06-03

Miniature pump device with an anti-free flow valve

#374
20100107393
2010-05-06

Tool for the connection of tubes by means of connection sleeves

#375
20100038384
2010-02-18

Fluid Dispensing

#376
20090312709
2009-12-17

Self-contained pump

#377
20090229793
2009-09-17

COOLING DEVICE FOR A WORKING FLUID

#378
20090165640
2009-07-02

Booster pump and low-temperature-fluid storage tank having the same

#379
20090163869
2009-06-25

Variable volume, shape memory actuated insulin dispensing pump

#380
20090112165
2009-04-30

Variable volume, shape memory actuated insulin dispensing pump

#381
20090112156
2009-04-30

Variable volume, shape memory actuated insulin dispensing pump

#382
20090105649
2009-04-23

Variable volume, shape memory actuated insulin dispensing pump

#383
20090105648
2009-04-23

Variable volume, shape memory actuated insulin dispensing pump

#384
20090038292
2009-02-12

Dosing pump assembly

#385
20090032611
2009-02-05

PUMPING MECHANISM FOR FOUNTAIN

#386
20080202113
2008-08-28

Tandem Pump Unit

#387
20080185909
2008-08-07

Hydraulic regenerative braking system for a vehicle

#388
20070243078
2007-10-18

Hydrostatic retarder pump and motor

#389
20070186566
2007-08-16

Cryogenic fluid pumping system

#390
20070098570
2007-05-03

Tandem pump unit

#391
20070098569
2007-05-03

Tandem pump unit

#392
20060271020
2006-11-30

Portable drug delivery device including a detachable and replaceable administration or dosing element

#393
20060140787
2006-06-29

Hydraulic assembly

#394
20050284136
2005-12-29

Dosing pump assembly

#395
20050279772
2005-12-22

Liquid delivery system

#396
20050238503
2005-10-27

Variable volume, shape memory actuated insulin dispensing pump

#397
18810550
2025-12-30

Bidirectional hydraulic hybrid power system containing an externally connected bidirectional manual pump system

#398
18319122
2025-06-10

Normally-open valve assembly with variable speed fluid displacement

#399
17845236
2023-04-04

Continuous flow infusion pump utilizing angular aligned fingers

#400
17347558
2024-03-05

Hydraulic fluid spill over receptacle

#401
17226543
2023-06-06

Drop-in treatment apparatus and system for PFAS-impacted liquids

#402
16891890
2022-03-08

Hydraulic system for high speed reciprocating cylinders

#403
16113160
2019-11-26

Follower plate geometry

#404
15471959
2018-06-19

Continuous flow pumping system

#405
14677800
2017-01-10

Fluid delivery device for killing weeds

#406
14673791
2015-09-01

Float-operated pump switch