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specially adapted to maintain constant speed

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor

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F15B11/05specially adapted to maintain constant speed
Industries

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 drive system
    • Patent number 12,055,162
    • Issue date Aug 6, 2024
    • Kawasaki Jukogyo Kabushiki Kaisha
    • Tomomichi Nose
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Gas-powered drive system and operating method
    • Patent number 12,000,412
    • Issue date Jun 4, 2024
    • RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHEN KOERPERSCHAFT DES...
    • Olivier Georg Reinertz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 11,920,325
    • Issue date Mar 5, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Kanazawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    System and methods for cycle time management
    • Patent number 11,834,810
    • Issue date Dec 5, 2023
    • Clark Equipment Company
    • Charles Young
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work vehicle
    • Patent number 11,827,497
    • Issue date Nov 28, 2023
    • Tadano Ltd.
    • Kazushi Sanada
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 11,454,004
    • Issue date Sep 27, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    System and methods for cycle time management
    • Patent number 11,447,930
    • Issue date Sep 20, 2022
    • Clark Equipment Company
    • Charles Young
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for lowering forklift lever
    • Patent number 11,440,780
    • Issue date Sep 13, 2022
    • Doosan Industrial Vehicle Co., Ltd.
    • Jaesung Choi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic control circuit for working machine
    • Patent number 11,421,715
    • Issue date Aug 23, 2022
    • Caterpillar SARL
    • Hideki Nakajima
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for construction machinery
    • Patent number 11,313,104
    • Issue date Apr 26, 2022
    • Doosan Infracore Co., Ltd.
    • Hyeonsik Ahn
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic valve with pressure limiter function
    • Patent number 11,280,354
    • Issue date Mar 22, 2022
    • Danfoss Power Solutions II Technology A/S
    • Mahesh K. Jadhav
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure compensator valve
    • Patent number 11,268,544
    • Issue date Mar 8, 2022
    • Hydac Fluidtechnik GmbH
    • Peter Bruck
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Construction machine
    • Patent number 11,193,254
    • Issue date Dec 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control system for auxiliary power source
    • Patent number 11,187,321
    • Issue date Nov 30, 2021
    • UUSI, LLC
    • Curtis M. Lizotte
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    Discharge pressure scale and lifting-lowering device having a disch...
    • Patent number 10,871,177
    • Issue date Dec 22, 2020
    • Hydac Fluidtechnik GmbH
    • Philipp Hilzendegen
    • G05 - CONTROLLING REGULATING
  • 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

    Open center to open center load sense conversion valve and hydrauli...
    • Patent number 10,808,733
    • Issue date Oct 20, 2020
    • Deere & Company
    • Jesse Knight
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hydraulic valve with pressure limiter function
    • Patent number 10,801,525
    • Issue date Oct 13, 2020
    • EATON INTELLIGENT POWER LIMITED
    • Mahesh K. Jadhav
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pump device
    • Patent number 10,794,380
    • Issue date Oct 6, 2020
    • KYB Corporation
    • Yuki Sakai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pilot valve assembly with orientation adjustment
    • Patent number 10,788,056
    • Issue date Sep 29, 2020
    • Bermad CS Ltd.
    • Zvi Weingarten
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,773,629
    • Issue date Sep 15, 2020
    • Liebherr-Hydraulikbagger GmbH
    • Bernhard Meitinger
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Three position metering valve for a self-contained electro-hydrauli...
    • Patent number 10,724,553
    • Issue date Jul 28, 2020
    • Warner Electric Technology LLC
    • Jared Ret Zammuto
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive system of work machine
    • Patent number 10,676,898
    • Issue date Jun 9, 2020
    • Hibachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu Takahashi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving device for working machine
    • Patent number 10,669,695
    • Issue date Jun 2, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi Ito
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic valve device with multiple working sections with pump con...
    • Patent number 10,655,648
    • Issue date May 19, 2020
    • WALVOIL S.P.A.
    • Ulderico Busani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Servo valve with asymmetrical redundant piezoelectric actuator
    • Patent number 10,651,364
    • Issue date May 12, 2020
    • ZODIAC HYDRAULICS
    • Jean-Luc Bertrand
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,626,578
    • Issue date Apr 21, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Shiho Izumi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Directional control valve
    • Patent number 10,590,962
    • Issue date Mar 17, 2020
    • Parker-Hannifin Corporation
    • Gregory Thomas Coolidge
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROL METHOD FOR CONTROLLING RETRACTION OF BOOM, MECHANICAL DEVIC...
    • Publication number 20240343530
    • Publication date Oct 17, 2024
    • HUNAN SINOBOOM INTELLIGENT EQUIPMENT CO., LTD.
    • Junhui ZOU
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    OPEN CENTRE HYDRAULIC DISTRIBUTOR AND POWER TRANSMISSION SYSTEM FOR...
    • Publication number 20240318670
    • Publication date Sep 26, 2024
    • BUCHER HYDRAULICS S.p.A.
    • Massimo Riva
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SYSTEM AND METHODS FOR CYCLE TIME MANAGEMENT
    • Publication number 20240052596
    • Publication date Feb 15, 2024
    • Doosan Bobcat North America, Inc.
    • Charles Young
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC DRIVE SYSTEM
    • Publication number 20230323901
    • Publication date Oct 12, 2023
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Tomomichi NOSE
    • 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

    SYSTEM AND METHODS FOR CYCLE TIME MANAGEMENT
    • Publication number 20230071137
    • Publication date Mar 9, 2023
    • CLARK EQUIPMENT COMPANY
    • Charles Young
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK VEHICLE
    • Publication number 20220055872
    • Publication date Feb 24, 2022
    • TADANO Ltd.
    • Kazushi SANADA
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20210332563
    • Publication date Oct 28, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Akira KANAZAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20210262200
    • Publication date Aug 26, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CRANE HYDRAULIC SYSTEM AND CONTROLLING METHOD OF THE SYSTEM
    • Publication number 20210229962
    • Publication date Jul 29, 2021
    • Xuzhou Heavy Machinery Co., Ltd.
    • Zenghai Shan
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20210002868
    • Publication date Jan 7, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HYDRAULIC VALVE WITH PRESSURE LIMITER FUNCTION
    • Publication number 20200386246
    • Publication date Dec 10, 2020
    • Eaton Intelligent Power Limited
    • Mahesh K. Jadhav
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    VALVE
    • Publication number 20200347855
    • Publication date Nov 5, 2020
    • HYDAC FLUIDTECHNIK GMBH
    • Peter BRUCK
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    OPEN CENTER TO OPEN CENTER LOAD SENSE CONVERSION VALVE AND HYDRAULI...
    • Publication number 20200284271
    • Publication date Sep 10, 2020
    • Deere & Company
    • Jesse Knight
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    HYDRAULIC CONTROL SYSTEM AND METHOD
    • Publication number 20200256354
    • Publication date Aug 13, 2020
    • Caterpillar Inc.
    • Sean Jonhson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    CONTROL SYSTEM FOR LOWERING FORKLIFT LEVER
    • Publication number 20200198948
    • Publication date Jun 25, 2020
    • Doosan Corporation
    • Jaesung CHOI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Three Position Metering Valve for a Self-Contained Electro-Hydrauli...
    • Publication number 20200182266
    • Publication date Jun 11, 2020
    • Warner Electric Technology LLC
    • Jared Ret Zammuto
    • 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

    HYDRAULIC DRIVE DEVICE FOR CARGO VEHICLE
    • Publication number 20200063761
    • Publication date Feb 27, 2020
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yuki UEDA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PILOT VALVE ASSEMBLY WITH ORIENTATION ADJUSTMENT
    • Publication number 20200056633
    • Publication date Feb 20, 2020
    • Bermad CS Ltd.
    • Zvi WEINGARTEN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20190301445
    • Publication date Oct 3, 2019
    • KYB Corporation
    • Yuki SAKAI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    DISCHARGE PRESSURE SCALE AND LIFTING-LOWERING DEVICE HAVING A DISCH...
    • Publication number 20190249693
    • Publication date Aug 15, 2019
    • HYDAC FLUIDTECHNIK GMBH
    • Philipp HILZENDEGEN
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    HYDRAULIC VALVE WITH PRESSURE LIMITER FUNCTION
    • Publication number 20190219073
    • Publication date Jul 18, 2019
    • Eaton Intelligent Power Limited
    • Mahesh K. Jadhav
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Hydraulic Driving Device for Working Machine
    • Publication number 20190177952
    • Publication date Jun 13, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi ITO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Hydraulic Drive System of Work Machine
    • Publication number 20190177953
    • Publication date Jun 13, 2019
    • Hitachi Construction Machinery Tierra Co., Ltd.
    • Kiwamu TAKAHASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC VALVE DEVICE WITH MULTIPLE WORKING SECTIONS WITH PUMP CON...
    • Publication number 20180372126
    • Publication date Dec 27, 2018
    • WALVOIL S.P.A.
    • Ulderico Busani
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PRESSURE COMPENSATION UNIT
    • Publication number 20180347153
    • Publication date Dec 6, 2018
    • KAWASAKI JUKOGYO KABUSHIKI KAISHA
    • Yasunori HATANAKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL SYSTEM, WORK MACHINE, AND CONTROL METHOD
    • Publication number 20180216637
    • Publication date Aug 2, 2018
    • Komatsu Ltd.
    • Yuta Kamoshita
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    APPARATUS AND METHODS FOR THE CONTROL OF HYDRAULIC ACTUATORS
    • Publication number 20180180066
    • Publication date Jun 28, 2018
    • NATIONAL OILWELL VARCO NORWAY AS
    • Michael RYGAARD HANSEN
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PRESSURE COMPENSATED LOAD SENSE HYDRAULIC SYSTEM EFFICIENCY IMPROVE...
    • Publication number 20170363114
    • Publication date Dec 21, 2017
    • Deere & Company
    • SCOTT STAHLE
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING