Patents-Review.com
ClassID:

146183 ⎘

F15B2201/312 - CPC Classification

Classification description:

Accumulators; Accumulator separating means having rigid separating means, e.g. pistons Sealings therefor, e.g. piston rings

Recent Application in this class:
#1
20250376994
2025-12-11

INTERNAL FLOATING PISTON

 #2
20250347300
2025-11-13

PRESSURE APPLYING DEVICE

 #3
20250198427
2025-06-19

Piston Accumulator

 #4
20250092885
2025-03-20

Hydraulic Accumulator

 #5
20250084876
2025-03-13

INTERNAL FLOATING PISTON

 #6
20250043862
2025-02-06

DROP-IN SIGNAL ACCUMULATOR PISTON KIT AND METHOD FOR REPLACING AN ORIGINAL EQUIPMENT SIGNAL ACCUMULATOR PISTON

 #7
20230135948
2023-05-04

Drop-in signal accumulator piston kit and method for replacing an original equipment signal accumulator piston

 #8
20230090796
2023-03-23

Piston accumulator

 #9
20220372996
2022-11-24

PISTON ACCUMULATOR

 #10
20220178388
2022-06-09

HIGH-CAPACITY BLADDER TYPE CONSTANT PRESSURE ACCUMULATOR AND APPLICATION THEREOF

 #11
20210062830
2021-03-04

Accumulator piston for use in vehicle transmission system

 #12
20200362883
2020-11-19

Piston accumulator

 #13
20200173595
2020-06-04

Pressure reducing valve

 #14
20200166056
2020-05-28

Pressure compensation device designed for underwater applications

 #15
20190337500
2019-11-07

Hydraulic block for a hydraulic assembly of a brake control system of a hydraulic vehicle brake system

 #16
20190154151
2019-05-23

Sealing structure

 #17
20180372125
2018-12-27

Accumulator module for hydromechanical spring-loaded drive

 #18
20180017086
2018-01-18

Hydraulic hose end expansion chamber

 #19
20160369822
2016-12-22

Liquid seal energy-accumulator and hydraulic system thereof based on liquid-collector and sandwich piston

 #20
20160363111
2016-12-15

Potential energy store with seal

 #21
20150056085
2015-02-26

System and method for storing energy

 #22
20130312597
2013-11-28

Hydraulic servo-control of a servo-controlled gearbox

 #23
20130213029
2013-08-22

Hydraulic servo-control of a servo-controlled gearbox

 #24
20130019980
2013-01-24

Accumulator with single direction seal

 #25
20120266590
2012-10-25

BROAD PRESSURE AND FREQUENCY RANGE ACCUMULATOR

 #26
20110277863
2011-11-17

Low pressure accumulator for anti-lock brake system

 #27
20110239639
2011-10-06

Energy storage device, actuator and method

 #28
20110108148
2011-05-12

Breathable low pressure accumulator

 #29
20100161184
2010-06-24

Method and apparatus for calculating payload weight

 #30
20080314467
2008-12-25

Piston-in sleeve hydraulic pressure accumulator

 #31
20080289327
2008-11-27

Linear Drive

 #32
20080230135
2008-09-25

Piston-type accumulator

 #33
20080191547
2008-08-14

Pressure Fluid Reservoir, Reservoir Unit, and Method For Producing a Pressure Fluid Reservoir

 #34
20080060711
2008-03-13

Hydraulic accumulator

 #35
20070181199
2007-08-09

Hydraulic accumulator

 #36
20070114840
2007-05-24

Piston-type accumulator

 #37
20060277904
2006-12-14

Hydraulic accumulator especially piston-type accumulator

 #38
20060213365
2006-09-28

Hydraulic accumulator comprising a position indicator

 #39
20060204389
2006-09-14

Piston-type accumulator

 #40
20060180418
2006-08-17

Hydraulic equipment with built-in free piston

 #41
20060130920
2006-06-22

Hydraulic accumulator

 #42
20060075892
2006-04-13

Piston-type accumulator

 #43
20060016074
2006-01-26

Method for the production of piston-type accumulators

 #44
20050194054
2005-09-08

Lightweight low permeation piston-in-sleeve accumulator

 #45
20050011565
2005-01-20

Variable volume reservoir

 #46
16556487
2020-04-28

Accumulator piston for use in vehicle transmission system

 #47
14798328
2016-09-06

Lightweight piston accumulator