Patents-Review.com
ClassID:

146487 ⎘

F15B2211/855 - CPC Classification

Classification description:

Circuits for servomotor systems; Other types of control related to particular problems or conditions Testing of fluid pressure systems

Recent Application in this class:
#1
20260110370
2026-04-23

SYSTEMS AND METHODS FOR AUTONOMOUS PRESSURE RELIEF VALVE TESTING

 #2
20250100715
2025-03-27

METHOD AND DEVICES FOR TESTING AN AIRCRAFT'S HYDRAULIC SYSTEM

 #3
20250075714
2025-03-06

DYNAMIC TESTING SYSTEM DIAGNOSTICS

 #4
20250002174
2025-01-02

HYDRAULIC SYSTEM FOR RAPID MOORING DEVICE OF OFFSHORE OPERATION HELICOPTER AND CONTROL METHOD

 #5
20240376695
2024-11-14

Pump Diagnostic Device and Construction Machine

 #6
20240328536
2024-10-03

Emergency isolation valve control design

 #7
20240044420
2024-02-08

Systems and Methods for Autonomous Pressure Relief Valve Testing

 #8
20230392712
2023-12-07

Pneumatically-operated emergency isolation valve switchover kit

 #9
20220390324
2022-12-08

Establishing termination criteria for a partial-stroke test of a fluid driven safety valve, and determining the proper functioning of a fluid driven safety valve

 #10
20220333349
2022-10-20

Hydraulic unit

 #11
20210095777
2021-04-01

Safety valve

 #12
20210071392
2021-03-11

Construction machine

 #13
20200291971
2020-09-17

Hydraulic system

 #14
20200291970
2020-09-17

Method to automatically detect parameter for pressure dynamics control

 #15
20200003239
2020-01-02

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

 #16
20190234514
2019-08-01

Hydraulic system for an automatic transmission of a motor vehicle

 #17
20190226355
2019-07-25

Methods and apparatus to diagnose a pneumatic actuator-regulating accessory

 #18
20190211851
2019-07-11

Method and system for monitoring health of a hydraulic fluid subsystem

 #19
20190145439
2019-05-16

Leak tester

 #20
20180370775
2018-12-27

Offshore crane heave compensation control system and method using visual ranging

 #21
20180251959
2018-09-06

Work vehicle and data calibration method

 #22
20180156696
2018-06-07

Apparatus and method for testing a linear acuator

 #23
20180128607
2018-05-10

Method to automatically detect the area ratio of an actuator

 #24
20180128292
2018-05-10

Control strategy for hydraulic actuator with a pair of independent metering valves

 #25
20180128290
2018-05-10

Method to automatically detect parameter for pressure dynamics control

 #26
20180113446
2018-04-26

Integration of online and offline control valve data

 #27
20180112797
2018-04-26

Methods and apparatus of assessing a test of a solenoid valve via a positioner

 #28
20170268203
2017-09-21

In-vehicle dynometer

 #29
20170204886
2017-07-20

Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems

 #30
20170051768
2017-02-23

Compressed-air system having a safety function and method for operating such a compressed-air system

 #31
20160208831
2016-07-21

System for estimating a sensor output

 #32
20150168246
2015-06-18

Valve signature diagnosis and leak test device

 #33
20150128580
2015-05-14

Hydraulic brake

 #34
20140230926
2014-08-21

Hydraulic safety and movement control system

 #35
20130283773
2013-10-31

System and method for identifying impending hydraulic pump failure

 #36
20110137515
2011-06-09

METHOD FOR OPERATING A HYDRAULIC OR PNEUMATIC CONTROL DEVICE OF A SEMI-AUTOMATIC TRANSMISSION

 #37
20100100274
2010-04-22

Safety device for hydraulic working machine

 #38
20100078089
2010-04-01

Hydraulic trip unit for a valve unit in a prime mover plant, especially for a fast-acting shut-off valve of a turbine plant

 #39
20070204607
2007-09-06

Hydraulic circuit of construction machine

 #40
20060042250
2006-03-02

Safety circuit for media-operated consumers and process for its operation