Patents-Review.com
ClassID:

151764 ⎘

F16J9/22 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction; Details Rings for preventing wear of grooves or like seatings

Recent Application in this class:
#1
20260049659
2026-02-19

PISTON RING AND METHOD FOR MANUFACTURING A PISTON RING

 #2
20260036202
2026-02-05

PISTON ASSEMBLIES AND CYLINDERS THAT CONTROL GAS FLOW

 #3
20250250970
2025-08-07

SEALING RING ASSEMBLIES CONFIGURED FOR PRESSURE LOCKING

 #4
20230120454
2023-04-20

WEAR RING AND WEAR RING ARRANGEMENT

 #5
20230072947
2023-03-09

Sealing ring assemblies configured for pressure locking

 #6
20230037471
2023-02-09

Annular ring groove of a piston

 #7
20220333687
2022-10-20

PISTON RING AND METHOD FOR MANUFACTURING A PISTON RING

 #8
20220220920
2022-07-14

PISTON RING GROOVE INSERT AND METHODS OF MAKING

 #9
20210381597
2021-12-09

Cylinder of an internal combustion engine

 #10
20210372400
2021-12-02

Compressor with compliant seal

 #11
20210270370
2021-09-02

Piston ring

 #12
20210108593
2021-04-15

Piston

 #13
20200347798
2020-11-05

Annular ring groove of a piston

 #14
20200300361
2020-09-24

Piston for an internal combustion engine

 #15
20200173554
2020-06-04

Hydraulic device comprising a segment having at least one through-hole configured to promote the rotation of said segment

 #16
20200132193
2020-04-30

Piston of an internal combustion engine

 #17
20200096105
2020-03-26

Manufacture and process for inhibiting wear in a latch system

 #18
20200096103
2020-03-26

Flutter-suppression piston ring

 #19
20200040995
2020-02-06

Piston and piston ring for internal combustion engine

 #20
20200011417
2020-01-09

Sealing ring assemblies configured for pressure locking

 #21
20190368607
2019-12-05

PISTON RING AND METHOD FOR MANUFACTURING A PISTON RING

 #22
20190257424
2019-08-22

Piston ring for engine

 #23
20190218997
2019-07-18

Piston for internal combustion engine

 #24
20190113139
2019-04-18

Multiple-piece oil stripping piston ring with reduced friction

 #25
20190049013
2019-02-14

Sealing ring assemblies configured for pressure locking

 #26
20180283552
2018-10-04

Piston ring

 #27
20180209541
2018-07-26

Piston ring and its production method

 #28
20170138476
2017-05-18

PISTON RING FOR INTERNAL COMBUSTION ENGINE

 #29
20170089293
2017-03-30

Annular ring groove of a piston

 #30
20170022930
2017-01-26

Production Device for Piston for Internal-Combustion Engine, and Production Method Using Production Device for Piston for Internal-Combustion Engine

 #31
20160369894
2016-12-22

Piston ring sealing for pneumatic actuator

 #32
20160265660
2016-09-15

Piston ring for internal combustion engine

 #33
20160025219
2016-01-28

Machining process for trapezoid rings with small axial dimensions, used in pistons of internal combustion engines

 #34
20150354702
2015-12-10

Piston ring for internal combustion engines with increased fatigue strength, and method for producing same

 #35
20150251304
2015-09-10

Sealing device for a hydraulic percussion apparatus, and hydraulic percussion apparatus comprising such a sealing device

 #36
20150226327
2015-08-13

Piston ring

 #37
20150042046
2015-02-12

Piston ring

 #38
20150020681
2015-01-22

Stroke piston for a stroke piston compressor

 #39
20140234549
2014-08-21

THERMALLY SPRAYED WEAR-RESISTANT PISTON RING COATING

 #40
20140190010
2014-07-10

Process for producing a piston for an internal combustion engine and piston for an internal combustion engine

 #41
20140020648
2014-01-23

Piston with oil cooling passage and method of construction thereof

 #42
20130207350
2013-08-15

Engine

 #43
20130206095
2013-08-15

Piston with enhanced cooling gallery

 #44
20130154197
2013-06-20

Seal arrangement

 #45
20120248710
2012-10-04

Piston ring and process for manufacturing a piston ring

 #46
20120211942
2012-08-23

Assembly for sealing a sliding interface

 #47
20120180653
2012-07-19

PISTON AND ENGINE

 #48
20120160206
2012-06-28

Piston of Internal Combustion Engine, Producing Method of Piston, and Sliding Member

 #49
20120061920
2012-03-15

OIL RING MECHANISM OF A PISTON

 #50
20110290106
2011-12-01

Piston assembly

 #51
20110260410
2011-10-27

Device and method for stabilizing a piston ring in a crosshead engine

 #52
20110186003
2011-08-04

Method for producing a piston for an internal combustion engine and piston for an internal combustion engine

 #53
20110150635
2011-06-23

Seal and seal arrangement for confining leakage flows between adjacent components of turbo-machines and gas turbines

 #54
20090255504
2009-10-15

Method of hardening surface of metallic part, piston, cylinder head, and cylinder block each produced using the surface-hardening method, and process for producing the same

 #55
20090173309
2009-07-09

Piston For an Internal Combustion Engine Having Two Ring Grooves Wherein One Ring Groove Has A Ring Carrier

 #56
20090013865
2009-01-15

Piston for a reciprocating-piston internal combustion engine provided with hardened piston ring grooves

 #57
20080236386
2008-10-02

Piston

 #58
20080229922
2008-09-25

Piston ring

 #59
20080184879
2008-08-07

PISTON HAVING IMPROVED WEAR RESISTANCE AND METHOD OF MAKING

 #60
20060266322
2006-11-30

Piston for an internal combustion engine

 #61
20060220322
2006-10-05

Replenishment pockets on piston rings for the prevention of microwelding

 #62
20060101992
2006-05-18

Piston

 #63
20060070597
2006-04-06

Reciprocating engine

 #64
20050132569
2005-06-23

Method of repairing a part using laser cladding

 #65
20050028779
2005-02-10

Piston for an internal combustion engine

 #66
17154660
2022-04-26

Piston ring seals