ClassID:

151754

F16J9/08 - CPC Classification

Classification description:

Piston-rings, e.g. non-metallic piston-rings , seats therefor; Ring sealings of similar construction with expansion obtained by pressure of the medium

Recent Application in this class:
#1
20240077137
2024-03-07

Combination Piston and Piston Ring for Reduction of Crevice Volume

#2
20240077031
2024-03-07

Piston Seal Ring

#3
20230392617
2023-12-07

Working cylinder with end position damping, and damping piston ring

#4
20230304579
2023-09-28

Piston ring

#5
20230082408
2023-03-16

Combination piston and piston ring for reducing crevice volume

#6
20220260034
2022-08-18

Open-faced piston assembly

#7
20220196151
2022-06-23

PISTON RING UNIT AND COMPRESSOR

#8
20210108722
2021-04-15

Combination Piston and Piston Ring for Reducing Crevice Volume

#9
20200300361
2020-09-24

Piston for an internal combustion engine

#10
20200271071
2020-08-27

Open-faced piston assembly

#11
20200191269
2020-06-18

PISTON RING, PISTON ASSEMBLY INCLUDING PISTON RING, AND METHODS OF MANUFACTURING

#12
20190346043
2019-11-14

Piston ring having a stepped running surface

#13
20190338836
2019-11-07

PRESSURE ACTIVATED METALLIC BAND PISTON SEAL

#14
20190316543
2019-10-17

Open-faced piston assembly

#15
20190093767
2019-03-28

Piston Ring for Reduction of Crevice Volume

#16
20180252316
2018-09-06

Pistons

#17
20180106215
2018-04-19

Open-faced piston assembly

#18
20170363208
2017-12-21

Cylinder device

#19
20170314684
2017-11-02

One-way pressure activated piston seal

#20
20170209996
2017-07-27

Ported piston for automatic nailer

#21
20160369894
2016-12-22

Piston ring sealing for pneumatic actuator

#22
20160201597
2016-07-14

Piston assembly for a reciprocating engine

#23
20160200304
2016-07-14

Master cylinder

#24
20160186862
2016-06-30

Seal ring

#25
20160040780
2016-02-11

PISTON ASSEMBLY FOR A RECIPROCATING ENGINE

#26
20160033041
2016-02-04

Pistons

#27
20150354497
2015-12-10

Piston assembly for a reciprocating engine

#28
20150354496
2015-12-10

Piston assembly for a reciprocating engine

#29
20150330297
2015-11-19

Two-cycle pneumatic injection engine

#30
20150323073
2015-11-12

Reduced friction piston rings

#31
20150061230
2015-03-05

Ported piston for automatic nailer

#32
20150041693
2015-02-12

One-way pressure activated piston seal

#33
20140265150
2014-09-18

Pistons

#34
20130334775
2013-12-19

Sealing device

#35
20130233259
2013-09-12

Rotary cam radial steam engine

#36
20110150373
2011-06-23

Fluid servo and applications

#37
20110014051
2011-01-20

Rotary coupling

#38
20100270752
2010-10-28

Sealing arrangement for relatively movable parts and device including such a sealing arrangement

#39
20090289421
2009-11-26

Durable piston and a ring unit for the durable piston

#40
20070193443
2007-08-23

Sealing arrangement for relatively movable parts and device including such a sealing arrangement

#41
20060151959
2006-07-13

Sealing ring and sealing ring arrangement

#42
20050103192
2005-05-19

Reciprocating element

#43
13958489
2018-04-17

Linear actuator