ClassID:

151722

F16J1/12 - CPC Classification

Classification description:

Pistons; Trunk pistons; Plungers; Connection to driving members with piston-rods, e.g. rigid connections

Recent Application in this class:
#1
20250041971
2025-02-06

LOCALIZED MULTIPLE BEAMED LASER PEENING OF CONNECTING ROD

#2
20240218889
2024-07-04

Fluid pressure cylinder

#3
20240035496
2024-02-01

Piston unit of a working cylinder

#4
20230166706
2023-06-01

Pump assembly, in particular for generating pressure in a brake circuit of a controllable power brake system of a motor vehicle

#5
20220397131
2022-12-15

Piston unit of a working cylinder

#6
20220389953
2022-12-08

Cylinder unit for eliminating secondary forces in inline internal combustion engines

#7
20220282620
2022-09-08

Engine with gas exchange through piston rod

#8
20220260011
2022-08-18

Single air supply using hollow piston rod

#9
20220154739
2022-05-19

PISTON ROD UNIT, HYDRAULIC CYLINDER AND ARTICULATED BOOM

#10
20220099077
2022-03-31

Wear-preventive air-charger piston structure

#11
20210189954
2021-06-24

Piston rod and free piston engine

#12
20210010594
2021-01-14

Piston made of ceramic material

#13
20200355139
2020-11-12

ENGINE PISTON AND METHOD FOR MANUFACTURING THE SAME

#14
20200284149
2020-09-10

Engine with work stroke and gas exchange through piston rod

#15
20200224585
2020-07-16

Piston rod and free piston engine

#16
20200063865
2020-02-27

Piston assembly and fluid pressure device

#17
20200056480
2020-02-20

Engine with work stroke and gas exchange through piston rod

#18
20200024946
2020-01-23

Engine with work stroke and gas exchange through piston rod

#19
20200003236
2020-01-02

Shaft coupling structure and fluid pressure apparatus

#20
20190383311
2019-12-19

Eccentric member support that includes a piston with an expanding ring to increase friction against a cylinder wall

#21
20190242377
2019-08-08

Piston head retaining system

#22
20190226464
2019-07-25

Hydraulic device

#23
20190111647
2019-04-18

Press ram fastening system

#24
20180245574
2018-08-30

Reciprocating piston compressor, a retrofit kit for a reciprocating piston compressor and the use of a connecting rod in a reciprocating piston compressor

#25
20180172036
2018-06-21

Fluid pressure cylinder

#26
20180106150
2018-04-19

Engine with compression and momentum stroke

#27
20180100549
2018-04-12

APPARATUS FOR SECURING A COUPLED ELEMENT TO A SHAFT

#28
20180087492
2018-03-29

Lubrication pump

#29
20170356483
2017-12-14

COLD-WORKED RIVETED PISTON/ROD ASSEMBLY AND METHOD OF MAKING SAME

#30
20170284453
2017-10-05

Piston rod assembly

#31
20170175892
2017-06-22

PISTON ROD CLAMPING SYSTEM

#32
20170175891
2017-06-22

Light composite piston

#33
20170122301
2017-05-04

Connecting rod with modified end

#34
20170102013
2017-04-13

Single acting hydraulic cylinder

#35
20170102012
2017-04-13

Hybrid metallic/composite piston head joint

#36
20170074398
2017-03-16

Double-acting piston

#37
20170016536
2017-01-19

Gapless piston ring for internal combustion engine

#38
20170016393
2017-01-19

Engine with compression and momentum stroke

#39
20170016360
2017-01-19

Timed gas exchange in engine using piston as exhaust valve

#40
20170016331
2017-01-19

Piston assembly for internal combustion engine

#41
20170016330
2017-01-19

Engine with piston that overshoots cylinder wall exhaust port

#42
20170016328
2017-01-19

Gas exchange through engine piston rod

#43
20170009882
2017-01-12

PISTON DEVICE, METHOD FOR THE PRODUCTION OF SUCH A PISTON DEVICE AND PISTON CYLINDER UNIT COMPRISING SUCH A PISTON DEVICE

#44
20160325778
2016-11-10

Piston assembly

#45
20160281707
2016-09-29

Crosshead-piston rod assembly for a reciprocating compressor

#46
20160272304
2016-09-22

Composite actuator rod end assembly

#47
20160265659
2016-09-15

CROSSHEAD FOR A PISTON ROD

#48
20160265448
2016-09-15

Ball bearing, in particular piston rod ball bearing and piston rod with ball bearing

#49
20160223083
2016-08-04

Piston assembly

#50
20160061327
2016-03-03

Cylinder assembly

#51
20160025218
2016-01-28

Floating piston

#52
20150377262
2015-12-31

Modular actuator with snubbing arrangement

#53
20150362070
2015-12-17

Piston device and pressure regulator using same

#54
20150361971
2015-12-17

Wobble piston having angled compression ring and spherical piston cap

#55
20150275889
2015-10-01

Velocity pumping system

#56
20150275869
2015-10-01

Pumping system with plunger having a shaped edge and coating

#57
20150226326
2015-08-13

Piston unit of a working cylinder

#58
20150226325
2015-08-13

Piston unit of a working cylinder

#59
20150224610
2015-08-13

Caulking method for preventing piston of hydraulic/pneumatic cylinder from being loosened

#60
20150114220
2015-04-30

Piston-cylinder unit with evaluation unit for determining the piston position

#61
20150083517
2015-03-26

Ratchet assembly and rotational sensor drive mechanism

#62
20150075368
2015-03-19

Lightweight compressor piston with opening

#63
20150075366
2015-03-19

Double-effect hydraulic actuating cylinder

#64
20150040752
2015-02-12

Connecting rod/piston arrangement for alternative compressor and process for assembling connecting rod/piston arrangement for alternative compressor

#65
20140326132
2014-11-06

Hydraulic cylinder assembly, a cylinder for a piston rod-cylinder hydraulic assembly and use of a hydraulic cylinder assembly

#66
20140157981
2014-06-12

Fluid pressure cylinder

#67
20140096679
2014-04-10

Multi-part piston

#68
20140076157
2014-03-20

Piston assembly, fluid pressure cylinder, method for manufacturing piston assembly

#69
20140069271
2014-03-13

Coupling structure for piston used in fluid-pressure cylinder, and coupling method therefor

#70
20140060320
2014-03-06

Piston for an air pump

#71
20140053721
2014-02-27

MASTER CYLINDER

#72
20140014060
2014-01-16

Reciprocating piston for a reciprocating piston engine and reciprocating piston engine, and cylinder of a reciprocating piston engine

#73
20130312599
2013-11-28

Multi-capacity cylinder

#74
20130220115
2013-08-29

Piston assembly including a polymer coating with hard particles applied to sliding surfaces

#75
20130068092
2013-03-21

Dove-tail clamp

#76
20110283969
2011-11-24

Elastic fixing for a piston of a variable compression ratio engine

#77
20110277626
2011-11-17

Rocking piston type compressor

#78
20110132188
2011-06-09

Multi-part piston construction for a brake caliper of a disk brake

#79
20100270049
2010-10-28

Handheld tool with a linear oscillating drive

#80
20100095839
2010-04-22

Cylinder with replaceable attachment member

#81
20090120282
2009-05-14

Hydraulic cylinder piston

#82
20080296402
2008-12-04

Retention system

#83
20080289489
2008-11-27

Composite Piston Unit and Automatic Vehicle Transmission

#84
20070175325
2007-08-02

Piston head for hydraulic injection molding machine

#85
20060180020
2006-08-17

Piston rod retention system

#86
20060162549
2006-07-27

Air pump having cylinder with non-circular configuration in cross section

#87
20060130644
2006-06-22

Piston assembly

#88
16434219
2020-11-03

Air pumps with multiple reservoir housing portions

#89
16207479
2020-05-05

Piston rod and free piston engine

#90
15273194
2018-07-31

Quick release piston rod assembly

#91
14964040
2018-10-30

Hydraulic cylinder with taper lock piston assembly