F15B2211/216 - CPC Classification Index

ClassID:

146232 ⎘

F15B2211/216 - CPC Classification

Classification description:

Circuits for servomotor systems; Fluid pressure source, e.g. accumulator or variable axial piston pump; Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being pneumatic-to-hydraulic converters

Recent Application in this class:

20240401558

2024-12-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

20240240606

2024-07-18

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

20240240605

2024-07-18

UTILIZING HYDROSTATIC AND HYDRAULIC PRESSURE TO GENERATE ENERGY, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

20210016343

2021-01-21

High-efficiency Transmission Free Forging Hydraulic Press and Operation Method thereof

20200408226

2020-12-31

Hydraulic shield support system and pressure intensifier

20200306845

2020-10-01

HYDRAULIC DEVICE

20190128437

2019-05-02

Pressure-limiting unit for a pressure booster as well as a pressure booster for driving hydraulic tools

20180340552

2018-11-29

Pneumatic unit for a hydropneumatic pressure booster

20180172029

2018-06-21

Fluid pressure cylinder

#10

20170075365

2017-03-16

Wireless valve actuator system and method

#11

20160238042

2016-08-18

Driving Device Using Pneumatic-Hydraulic Pressure as a Power Source for a Vehicle

#12

20150152889

2015-06-04

System for improving the energy efficiency in hydraulic systems

#13

20150075157

2015-03-19

Hydropneumatic device for pressure transmission and riveting device

#14

20140161636

2014-06-12

Hydro-pneumatic system with pressure limiting valve

#15

20120299310

2012-11-29

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#16

20120297761

2012-11-29

Method of conversion of heat into fluid power and device for its implementation

#17

20120279209

2012-11-08

Systems and methods for energy storage and recovery using compressed gas

#18

20120006013

2012-01-12

High-efficiency energy-conversion based on fluid expansion and compression

#19

20120000557

2012-01-05

Systems and methods for reducing dead volume in compressed-gas energy storage systems

#20

20110314803

2011-12-29

Forming liquid sprays in compressed-gas energy storage systems for effective heat exchange

#21

20110296823

2011-12-08

Systems and methods for energy storage and recovery using gas expansion and compression

#22

20110252777

2011-10-20

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#23

20110219760

2011-09-15

Systems and methods for energy storage and recovery using compressed gas

#24

20110167813

2011-07-14

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#25

20110056193

2011-03-10

Systems and methods for energy storage and recovery using compressed gas

#26

20100229544

2010-09-16

Systems and methods for improving drivetrain efficiency for compressed gas energy storage

#27

20100139277

2010-06-10

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#28

20100104456

2010-04-29

Hydro-pneumatic system with pressure limiting valve

#29

20100089063

2010-04-15

Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression

#30

20090282971

2009-11-19

Pneumatic actuator

#31

20090282822

2009-11-19

Systems and methods for energy storage and recovery using compressed gas

#32

20090133393

2009-05-28

METHOD FOR OPERATING A HYDROPNEUMATIC DEVICE, AND HYDRAULIC FLUID PUMP FOR THE MAINTENANCE OF A HYDROPNEUMATIC DEVICE

#33

20090084277

2009-04-02

PRESSURIZING DEVICE

#34

20090038470

2009-02-12

HYDRO-PNEUMATIC PRESSURE TRANSFORMATION DEVICE AND METHOD FOR OPERATION

#35

20090028732

2009-01-29

PRESSURIZING DEVICE

#36

20060254964

2006-11-16

Method and apparatus for angularly positioning a shaker separator bed

#37

20060130477

2006-06-22

High pressure device and method for clean room applications

#38

20050284286

2005-12-29

Actuator for actuating onboard devices on a sailboat

#39

20050217074

2005-10-06

Control system for pneumatically-powered door installation

#40

20050144944

2005-07-07

Air-to-oil intensifying cylinder

#41

20050144943

2005-07-07

Air-to-oil intensifying cylinder

#42

18153966

2023-09-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods