ClassID:

151712

F16J1/005 - CPC Classification

Classification description:

Pistons; Trunk pistons; Plungers obtained by assembling several pieces

Sub-classes:
Recent Application in this class:
#1
20250305468
2025-10-02

ENGINE DISPLACER WITH REGENERATOR CHANNELS

#2
20240117800
2024-04-11

PISTON FOR A PISTON PUMP, METHOD FOR PRODUCING A PISTON, AND PISTON PUMP

#3
20240052927
2024-02-15

PISTON ASSEMBLY AND ASSOCIATED COMPONENTS, SYSTEMS, AND METHOD

#4
20230287980
2023-09-14

Gap seal device

#5
20230243423
2023-08-03

Piston blank, piston and method

#6
20230144321
2023-05-11

Piston assembly formed of interlocking piston members

#7
20230034137
2023-02-02

Piston and reciprocating compressor

#8
20220397132
2022-12-15

Piston and a fluid-actuated working cylinder provided therewith

#9
20220356834
2022-11-10

Pistons and piston assemblies for internal combustion engines

#10
20220282620
2022-09-08

Engine with gas exchange through piston rod

#11
20220112951
2022-04-14

Plunger, instrument, and mold

#12
20220099077
2022-03-31

Wear-preventive air-charger piston structure

#13
20210341056
2021-11-04

Systems, devices, and/or methods for improving engine efficiency

#14
20210332814
2021-10-28

Articulated plunger rod pump

#15
20210301806
2021-09-30

Hydraulic piston with a depressurized groove

#16
20210215207
2021-07-15

Multipart balanced piston clutch

#17
20210207590
2021-07-08

Pump body assembly, fluid machinery, and heat exchange device

#18
20210180693
2021-06-17

Piston for compressor

#19
20210180540
2021-06-17

Piston for internal combustion engine having valve pocket step for slowing combustion gas flow

#20
20210108656
2021-04-15

Actuator for an automated or automatic transmission, and method for controlling the actuator

#21
20200284149
2020-09-10

Engine with work stroke and gas exchange through piston rod

#22
20200248728
2020-08-06

Piston unit and hydraulic cylinder

#23
20200224654
2020-07-16

Piston rod sleeve mounting for fluid sprayer pump

#24
20200208591
2020-07-02

PISTON OF INTERNAL COMBUSTION ENGINE

#25
20200208590
2020-07-02

PISTON AND SUPPORT METHOD FOR PISTON RING GROOVE THEREOF

#26
20200157902
2020-05-21

Piston Rod

#27
20200124175
2020-04-23

Piston-integrated gap cover

#28
20200080509
2020-03-12

Weight-Optimized Steel Piston

#29
20200056480
2020-02-20

Engine with work stroke and gas exchange through piston rod

#30
20200024946
2020-01-23

Engine with work stroke and gas exchange through piston rod

#31
20190226464
2019-07-25

Hydraulic device

#32
20190210577
2019-07-11

Cylinder apparatus for brake

#33
20190170168
2019-06-06

Method for producing piston assembly and hydraulic fluid device

#34
20190093701
2019-03-28

Piston and connecting rod assembly

#35
20190085911
2019-03-21

Piston for clutch assembly

#36
20190049008
2019-02-14

Piston-integrated gap cover

#37
20180369970
2018-12-27

REDUCED COMPRESSION HEIGHT PISTON AND PISTON ASSEMBLY THEREWITH AND METHODS OF CONSTRUCTION THEREOF

#38
20180252181
2018-09-06

Method for producing a piston

#39
20180245648
2018-08-30

Disc brake and piston

#40
20180216733
2018-08-02

Piston for an internal combustion engine

#41
20180106150
2018-04-19

Engine with compression and momentum stroke

#42
20180080515
2018-03-22

Piston having a multi-part construction for a brake caliper of a disk brake

#43
20180079007
2018-03-22

Methods of Manufacturing Engine System Components

#44
20180051805
2018-02-22

Joined connection on a two-part piston and joining method

#45
20170175891
2017-06-22

Light composite piston

#46
20170102012
2017-04-13

Hybrid metallic/composite piston head joint

#47
20170074398
2017-03-16

Double-acting piston

#48
20170016536
2017-01-19

Gapless piston ring for internal combustion engine

#49
20170016393
2017-01-19

Engine with compression and momentum stroke

#50
20170016360
2017-01-19

Timed gas exchange in engine using piston as exhaust valve

#51
20170016331
2017-01-19

Piston assembly for internal combustion engine

#52
20170016330
2017-01-19

Engine with piston that overshoots cylinder wall exhaust port

#53
20170016328
2017-01-19

Gas exchange through engine piston rod

#54
20170009883
2017-01-12

Wear resistant insert for pneumatic scotch yoke piston

#55
20160348660
2016-12-01

Cylinder

#56
20160290505
2016-10-06

CYLINDER-PISTON ASSEMBLY

#57
20160245360
2016-08-25

Production of multi-part, joined valve components in hydraulic applications with joint sealing profiles

#58
20160243309
2016-08-25

Syringe systems, piston seal systems, stopper systems, and methods of use and assembly

#59
20160223083
2016-08-04

Piston assembly

#60
20160222910
2016-08-04

Piston, method of construction, and piston body portions thereof

#61
20160169386
2016-06-16

MASTER CYLINDER PRIMARY PISTON

#62
20160169385
2016-06-16

Energized screw gland

#63
20160153431
2016-06-02

Hydraulic pump and piston for such a hydraulic pump

#64
20160146345
2016-05-26

Piston with out of phase mode

#65
20160131075
2016-05-12

Welded piston assembly

#66
20160076524
2016-03-17

Piston included in liquid-pressure rotating device and liquid-pressure rotating device

#67
20160061326
2016-03-03

JOINED CONNECTION ON A TWO-PIECE STEEL PISTON AND JOINING METHOD

#68
20150336223
2015-11-26

Reduced compression height piston and piston assembly therewith and methods of construction thereof

#69
20150198248
2015-07-16

Piston rod foot

#70
20150075368
2015-03-19

Lightweight compressor piston with opening

#71
20150068007
2015-03-12

Pump Plunger Alignment Device

#72
20150020680
2015-01-22

PISTON MECHANISM ASSEMBLY

#73
20150007716
2015-01-08

PISTON AND CARRIER ASSEMBLY

#74
20150000516
2015-01-01

Cylinder device with force multiplier

#75
20140338527
2014-11-20

PISTON PUMP AND PISTON ASSEMBLY THEREFOR

#76
20140331855
2014-11-13

Split compression piston

#77
20140318367
2014-10-30

Insulating Gas Boundary Layer for Internal Combustion Engines

#78
20140260960
2014-09-18

Welded piston assembly

#79
20140245882
2014-09-04

Cylinder-piston unit with short cannula

#80
20140216246
2014-08-07

PISTON

#81
20140208940
2014-07-31

Piston for a brake caliper of a disk brake

#82
20140150644
2014-06-05

Piston damper

#83
20140130664
2014-05-15

Light composite piston

#84
20140083390
2014-03-27

Reduced compression height piston and piston assembly therewith and methods of construction thereof

#85
20130333557
2013-12-19

Lightweight engine power cell assembly

#86
20130333554
2013-12-19

Seal assembly for use in harsh environments

#87
20130305919
2013-11-21

Production of multi-part, joined valve components in hydraulic applications with joint sealing profiles

#88
20130220114
2013-08-29

Piston retention apparatus and method

#89
20130092024
2013-04-18

Method for simultaneously producing first and second piston parts

#90
20130068094
2013-03-21

Piston having dual gallery, method of construction, and piston body portions thereof

#91
20120312271
2012-12-13

Piston having a hollow cooling space defined in a mantle wall

#92
20120258007
2012-10-11

Method of assembling a two-piece twist lock piston

#93
20120097125
2012-04-26

Reinforced piston and connecting rod assembly

#94
20110315007
2011-12-29

Piston for a brake caliper of a disc brake

#95
20100000403
2010-01-07

Piston portion for a piston assembly and a piston assembly

#96
20090151556
2009-06-18

Two-part piston for an internal combustion engine

#97
20080314240
2008-12-25

Two-piece twist lock piston

#98
20070289568
2007-12-20

Two-part piston for an internal combustion engine

#99
20070048156
2007-03-01

Piston assembly of cooler

#100
20060278180
2006-12-14

Piston for an internal combustion engine

#101
20060225568
2006-10-12

Split piston for an internal combustion engine