using unloading valves controlling the supply pressure by diverting fluid to the return line

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CPC
F15B2211/50536

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B2211/00Circuits for servomotor systems

Current Industry

F15B2211/50536using unloading valves controlling the supply pressure by diverting fluid to the return line

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control system for linear actuation
- Patent number 12,188,467
- Issue date Jan 7, 2025
- Danfoss Power Solutions Inc.
- Aaron Darnell
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hydraulic control circuit
- Patent number 12,098,523
- Issue date Sep 24, 2024
- Caterpillar SARL
- Hideki Nakajima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Unloading valve assembly for compressed air processing system in a...
- Patent number 11,953,108
- Issue date Apr 9, 2024
- SEMYUNGTECH CO., LTD.
- Seong-won Moon
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Power transfer unit with breakout friction reduction and leakage re...
- Patent number 11,905,980
- Issue date Feb 20, 2024
- Parker-Hannifin Corporation
- Steven A. Krane
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Actuation method for a hydraulic system with a pump and multiple va...
- Patent number 11,703,094
- Issue date Jul 18, 2023
- Schaeffler Technologies AG & Co. KG
- Yunfan Wei
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Arrangement for a utility vehicle
- Patent number 11,617,982
- Issue date Apr 4, 2023
- KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Karsten Schnittger
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Windrower variable rate header floatation system
- Patent number 11,547,049
- Issue date Jan 10, 2023
- Deere & Company
- Timothy J. Kraus
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Compressed-air supply system for operating a pneumatic installation...
- Patent number 11,542,966
- Issue date Jan 3, 2023
- ZF CV Systems Europe BV
- Joerg Meier
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Construction machine
- Patent number 11,499,296
- Issue date Nov 15, 2022
- Hitachi Construction Machinery Co., Ltd.
- Takamasa Kai
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Dynamic open center hydraulic system control
- Patent number 11,408,147
- Issue date Aug 9, 2022
- Nordhydraulic AB
- Bertil Lundgren
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Downhole tractor comprising two or more hydrualic supply lines
- Patent number 11,162,312
- Issue date Nov 2, 2021
- Altus Intervention (Technologies) AS
- Gerald Mcinally
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Operating method for a hydraulic system of an automatic transmission
- Patent number 11,143,292
- Issue date Oct 12, 2021
- ZF Friedrichshafen AG
- Dimitrios Mourousoglou
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system
- Patent number 11,073,171
- Issue date Jul 27, 2021
- Kawasaki Jukogyo Kabushiki Kaisha
- Akihiro Kondo
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic distributor with valve device with active discharge in lo...
- Patent number 11,041,514
- Issue date Jun 22, 2021
- Walvoil S.p.A.
- Amedeo Morotto
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Duplicated hydraulic circuit with pressure regulation
- Patent number 11,034,439
- Issue date Jun 15, 2021
- Airbus Helicopters
- Pascal Leguay
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Compressed air supply system
- Patent number 10,899,189
- Issue date Jan 26, 2021
- WABCO Europe BVBA
- Joerg Meier
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic component, combination made from hydraulic components, an...
- Patent number 10,844,878
- Issue date Nov 24, 2020
- BorgWarner Inc.
- Michael Jung
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Apparatus and methods for the control of hydraulic actuators
- Patent number 10,830,257
- Issue date Nov 10, 2020
- National Oilwell Varco Norway AS
- Michael Rygaard Hansen
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system for a transmission of a motor vehicle
- Patent number 10,794,468
- Issue date Oct 6, 2020
- ZF Friedrichshafen AG
- Markus Herrmann
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Electro-hydraulic feed delivery system
- Patent number 10,718,100
- Issue date Jul 21, 2020
- Van-Tech Corporation
- William Duane Brandt
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Hydraulic actuation system
- Patent number 10,717,517
- Issue date Jul 21, 2020
- RATIER-FIGEAC SAS
- Julien Lassalle
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Compressed-air supply system, pneumatic system and method for opera...
- Patent number 10,717,336
- Issue date Jul 21, 2020
- WABCO GmbH
- Dieter Frank
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual mode fuel pump system
- Patent number 10,655,622
- Issue date May 19, 2020
- HAMILTON SUNSTRAND CORPORATION
- Gary M. McBrien
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electronically controlled pressure relief valve system
- Patent number 10,550,665
- Issue date Feb 4, 2020
- Telos Industries Inc.
- Jason A. Golden
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Propeller blade angle control system
- Patent number 10,501,169
- Issue date Dec 10, 2019
- Pratt & Whitney Canada Corp.
- David Waddleton
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Hydraulic drive system for working machine
- Patent number 10,393,151
- Issue date Aug 27, 2019
- Kobelco Construction Machinery Co., Ltd.
- Koji Ueda
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drain valve
- Patent number 10,371,216
- Issue date Aug 6, 2019
- Punch Powertrain NV
- Peter Mark Smid
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic circuit for passenger car pneumatic suspension system
- Patent number 10,343,479
- Issue date Jul 9, 2019
- WABCO GmbH
- Marc-Michel Bodet
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Construction machine
- Patent number 10,273,658
- Issue date Apr 30, 2019
- Hitachi Construction Machinery Co., Ltd.
- Seiji Hijikata
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Modular multi-pump system with pressure control
- Patent number 10,260,499
- Issue date Apr 16, 2019
- United Technologies Corporation
- Jason E. Rosner
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Controlling a Mobile Agricultural Machine Hav...
- Publication number 20240301899
- Publication date Sep 12, 2024
- AGCO International GmbH
- Martin Hiemer
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC CONTROL SYSTEM FOR LINEAR ACTUATION
- Publication number 20230213031
- Publication date Jul 6, 2023
- Danfoss Power Solutions Inc.
- Aaron Darnell
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
POWER TRANSFER UNIT WITH BREAKOUT FRICTION REDUCTION AND LEAKAGE RE...
- Publication number 20220228609
- Publication date Jul 21, 2022
- Parker-Hannifin Corporation
- Steven A. Krane
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ACTUATION METHOD FOR A HYDRAULIC SYSTEM WITH A PUMP AND MULTIPLE VA...
- Publication number 20220186794
- Publication date Jun 16, 2022
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Yunfan Wei
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM
- Publication number 20200158143
- Publication date May 21, 2020
- KAWASAKI JUKOGYO KABUSHIKI KAISHA
- Akihiro KONDO
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
System and Method for Protecting a Pressure Vessel from Excessive D...
- Publication number 20200103040
- Publication date Apr 2, 2020
- The United States of America as represented by the Secretary of the Navy
- Brandon J. Wiedemeier
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
COMPRESSED AIR SUPPLY SYSTEM
- Publication number 20190061459
- Publication date Feb 28, 2019
- WABCO Europe BVBA
- Joerg MEIER
- B60 - VEHICLES IN GENERAL
Information Patent Application
Operating Method for a Hydraulic System of an Automatic Transmission
- Publication number 20180355968
- Publication date Dec 13, 2018
- ZF Friedrichshafen AG
- Dimitrios Mourousoglou
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC CIRCUIT AND WORKING MACHINE
- Publication number 20180127949
- Publication date May 10, 2018
- CATERPILLAR S.A.R.L.
- Hideki Nakajima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ENGINE
- Publication number 20160319739
- Publication date Nov 3, 2016
- IHI Corporation
- Takeshi YAMADA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC DRIVE DEVICE FOR CARGO HANDLING VEHICLE
- Publication number 20140369866
- Publication date Dec 18, 2014
- KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
- Yuki UEDA
- B60 - VEHICLES IN GENERAL
Information Patent Application
WORKING VEHICLE
- Publication number 20140322045
- Publication date Oct 30, 2014
- Kunihiko Sakamoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC CONTROL APPARATUS AND METHOD
- Publication number 20140196793
- Publication date Jul 17, 2014
- Sumitomo Heavy Industries, Ltd.
- Eisuke MATSUZAKI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROTATION CONTROL DEVICE AND CONSTRUCTION MACHINE INCLUDING ROTATION...
- Publication number 20140178167
- Publication date Jun 26, 2014
- KOBELCO CONSTRUCTION MACHINERY CO., LTD.
- Naoki Goto
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Regulator Valve With Axial Vent
- Publication number 20140116546
- Publication date May 1, 2014
- Hamilton Sundstrand Corporation
- Gary L. Pruden
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC SYSTEM WITH OPEN LOOP ELECTROHYDRAULIC PRESSURE COMPENSATION
- Publication number 20140116038
- Publication date May 1, 2014
- HUSCO International, Inc.
- Joseph L. Pfaff
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINERY
- Publication number 20140090368
- Publication date Apr 3, 2014
- VOLVO CONSTRUCTION EQUIPMENT AB
- Sang-Ki Bae
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
HYDRAULIC DRIVE AND HYDRAULICALLY OPERABLE WORKING TOOL
- Publication number 20140083085
- Publication date Mar 27, 2014
- HAWE HYDRAULIK SE
- Engelbert Zwingler
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ELECTRO/HYDRAULIC INTERACTIVE DOUBLE FEEDBACK LOOP
- Publication number 20140076440
- Publication date Mar 20, 2014
- Darin J. Chaika
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRO-HYDRAULIC SYSTEM FOR CONTROLLING MULTIPLE FUNCTIONS
- Publication number 20140069091
- Publication date Mar 13, 2014
- Parker-Hannifin Corporation
- Germano Franzoni
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC CONTROL SYSTEM HAVING OVER-PRESSURE PROTECTION
- Publication number 20140060020
- Publication date Mar 6, 2014
- Caterpillar Inc.
- Randal N. PETERSON
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
AUTOMATED RELIEF VALVE CONTROL SYSTEM AND METHOD
- Publication number 20140048255
- Publication date Feb 20, 2014
- Matthew S. Baca
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
CLOSED LOOP DRIVE CIRCUIT WITH EXTERNAL BRAKE ASSIST
- Publication number 20140023523
- Publication date Jan 23, 2014
- Torsten Berg
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYDRAULIC CIRCUIT FOR CONTROLLING BOOMS OF CONSTRUCTION EQUIPMENT
- Publication number 20140010688
- Publication date Jan 9, 2014
- VOLVO CONSTRUCTION EQUIPMENT AB
- Sung-Gon Kim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC CIRCUIT FOR PIPE LAYER
- Publication number 20130333367
- Publication date Dec 19, 2013
- VOLVO CONSTRUCTION EQUIPMENT AB
- Man-Seuk Jeon
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Hydraulic System and Pressure Limiting Valve
- Publication number 20130323091
- Publication date Dec 5, 2013
- Frank HELBLING
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
HYDRAULIC SYSTEM
- Publication number 20130280097
- Publication date Oct 24, 2013
- J.C. Bamford Excavators Limited
- Harish Narotham
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
FLOW SENSING BASED VARIABLE PUMP CONTROL TECHNIQUE IN A HYDRAULIC S...
- Publication number 20130220425
- Publication date Aug 29, 2013
- Paul Edward Pomeroy
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
INDUSTRIAL VEHICLE
- Publication number 20130167521
- Publication date Jul 4, 2013
- Mitsubishi Heavy Industries, Ltd.
- Megumu Tsuruta
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
HYDRAULIC CONTROL SYSTEM
- Publication number 20130145757
- Publication date Jun 13, 2013
- TOYOTA JIDOSHA KABUSHIKI KAISHA
- Tomokazu Inagawa
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

using unloading valves controlling the supply pressure by diverting fluid to the return line

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Hydraulic control system for linear actuation

Hydraulic control circuit

Unloading valve assembly for compressed air processing system in a...

Power transfer unit with breakout friction reduction and leakage re...

Actuation method for a hydraulic system with a pump and multiple va...

Arrangement for a utility vehicle

Windrower variable rate header floatation system

Compressed-air supply system for operating a pneumatic installation...

Construction machine

Dynamic open center hydraulic system control

Downhole tractor comprising two or more hydrualic supply lines

Operating method for a hydraulic system of an automatic transmission

Hydraulic system

Hydraulic distributor with valve device with active discharge in lo...

Duplicated hydraulic circuit with pressure regulation

Compressed air supply system

Hydraulic component, combination made from hydraulic components, an...

Apparatus and methods for the control of hydraulic actuators

Hydraulic system for a transmission of a motor vehicle

Electro-hydraulic feed delivery system

Hydraulic actuation system

Compressed-air supply system, pneumatic system and method for opera...

Dual mode fuel pump system

Electronically controlled pressure relief valve system

Propeller blade angle control system

Hydraulic drive system for working machine

Drain valve

Pneumatic circuit for passenger car pneumatic suspension system

Construction machine

Modular multi-pump system with pressure control

Patents Applicationslast 30 patents

System and Method for Controlling a Mobile Agricultural Machine Hav...

HYDRAULIC CONTROL SYSTEM FOR LINEAR ACTUATION

POWER TRANSFER UNIT WITH BREAKOUT FRICTION REDUCTION AND LEAKAGE RE...

ACTUATION METHOD FOR A HYDRAULIC SYSTEM WITH A PUMP AND MULTIPLE VA...

HYDRAULIC SYSTEM

System and Method for Protecting a Pressure Vessel from Excessive D...

COMPRESSED AIR SUPPLY SYSTEM

Operating Method for a Hydraulic System of an Automatic Transmission

HYDRAULIC CIRCUIT AND WORKING MACHINE

ENGINE

HYDRAULIC DRIVE DEVICE FOR CARGO HANDLING VEHICLE

WORKING VEHICLE

HYDRAULIC CONTROL APPARATUS AND METHOD

ROTATION CONTROL DEVICE AND CONSTRUCTION MACHINE INCLUDING ROTATION...

Regulator Valve With Axial Vent

HYDRAULIC SYSTEM WITH OPEN LOOP ELECTROHYDRAULIC PRESSURE COMPENSATION

HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINERY

HYDRAULIC DRIVE AND HYDRAULICALLY OPERABLE WORKING TOOL

ELECTRO/HYDRAULIC INTERACTIVE DOUBLE FEEDBACK LOOP

ELECTRO-HYDRAULIC SYSTEM FOR CONTROLLING MULTIPLE FUNCTIONS

HYDRAULIC CONTROL SYSTEM HAVING OVER-PRESSURE PROTECTION

AUTOMATED RELIEF VALVE CONTROL SYSTEM AND METHOD

CLOSED LOOP DRIVE CIRCUIT WITH EXTERNAL BRAKE ASSIST

HYDRAULIC CIRCUIT FOR CONTROLLING BOOMS OF CONSTRUCTION EQUIPMENT

HYDRAULIC CIRCUIT FOR PIPE LAYER

Hydraulic System and Pressure Limiting Valve

HYDRAULIC SYSTEM

FLOW SENSING BASED VARIABLE PUMP CONTROL TECHNIQUE IN A HYDRAULIC S...

INDUSTRIAL VEHICLE

HYDRAULIC CONTROL SYSTEM