characterised by variation of the pressure in a nozzle or the like

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid servo valve and fluid servo apparatus

    • Patent number 11,335,491
    • Issue date May 17, 2022
    • TOKKYOKIKI CORPORATION
    • Teruo Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Servovalves

    • Patent number 11,306,747
    • Issue date Apr 19, 2022
    • Hamilton Sundstrand Corporation
    • Maciej Bujewicz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Servo valves

    • Patent number 11,209,026
    • Issue date Dec 28, 2021
    • Hamilton Sundstrand Corporation
    • Piotr Sawicki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Cylinder on demand hydraulic device

    • Patent number 11,118,611
    • Issue date Sep 14, 2021
    • Tonand Inc.
    • Antonio Cannata
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electro-pneumatic converter, use of an electro-pneumatic converter,...

    • Patent number 10,989,229
    • Issue date Apr 27, 2021
    • Samson Aktiengesellschaft
    • Sebastian Tietz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic valve arrangement

    • Patent number 10,767,665
    • Issue date Sep 8, 2020
    • Samson Aktiengesellschaft
    • Stefan Kolbenschlag
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Integrated transducer

    • Patent number 10,539,251
    • Issue date Jan 21, 2020
    • Fisher Controls International LLC
    • Curt Galbreath
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Integrated transducer

    • Patent number 10,473,230
    • Issue date Nov 12, 2019
    • Fisher Controls International LLC
    • George W. Gassman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fluid servo valve and fluid servo apparatus

    • Patent number 10,465,816
    • Issue date Nov 5, 2019
    • TOKKYOKIKI CORPORATION
    • Teruo Maruyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Positioner

    • Patent number 10,458,569
    • Issue date Oct 29, 2019
    • Azbil Corporation
    • Kouichiro Murata
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Failsafe integrated transducer

    • Patent number 10,352,474
    • Issue date Jul 16, 2019
    • Fisher Controls International LLC
    • George W. Gassman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pressure regulation servo-valve with reduced leakage flow rate

    • Patent number 10,344,780
    • Issue date Jul 9, 2019
    • SAFRAN LANDING SYSTEMS
    • Alain Briancon Marjollet
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Gas valve assembly with integrated pressure regulator

    • Patent number 10,280,947
    • Issue date May 7, 2019
    • Robertshaw Controls Company
    • Steven L. Russell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electro-pneumatic converter with balanced flapper

    • Patent number 10,001,145
    • Issue date Jun 19, 2018
    • Norgren Limited
    • Tarik Saneecharaun
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Double nozzle type smart positioner

    • Patent number 9,822,804
    • Issue date Nov 21, 2017
    • Young Tech Co., LTD
    • Du Gi Min
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Integrated transducer

    • Patent number 9,726,299
    • Issue date Aug 8, 2017
    • Fisher Controls International LLC
    • George W. Gassman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    High gain servo valve

    • Patent number 9,303,781
    • Issue date Apr 5, 2016
    • Hamilton Sundstrand Corporation
    • Leo J. Veilleux
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Positioner

    • Patent number 8,641,009
    • Issue date Feb 4, 2014
    • Azbil Corporation
    • Yohsuke Inagaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic amplifier and arrangement for regulating a regulating arm...

    • Patent number 8,528,583
    • Issue date Sep 10, 2013
    • Samson Aktiengesellschaft
    • Stefan Kolbenschlag
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electro-pneumatic positioner and electro-pneumatic converting device

    • Patent number 8,459,289
    • Issue date Jun 11, 2013
    • Azbil Corporation
    • Yohsuke Inagaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Automated confirmation of the presence of at least one ring in an a...

    • Patent number 6,240,793
    • Issue date Jun 5, 2001
    • Honda of America, Mfg. Inc.
    • Brent C. Rankin
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve with piezoelectric lamina and a method of producing a valve

    • Patent number 5,779,218
    • Issue date Jul 14, 1998
    • Burkert Werke GmbH & Co.
    • Bernd Kowanz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electrical-pneumatic system

    • Patent number 5,699,824
    • Issue date Dec 23, 1997
    • Samson Aktiengesellschaft
    • Lothar Kemmler
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic amplifiers with reduced leakage at null

    • Patent number 5,443,089
    • Issue date Aug 22, 1995
    • Moog Inc.
    • Anton Haumann
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Mechanical flexure for motion amplification and transducer with same

    • Patent number 5,381,817
    • Issue date Jan 17, 1995
    • Fisher Controls Incorporated, Inc.
    • George W. Gassman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Piezo valve

    • Patent number 5,343,894
    • Issue date Sep 6, 1994
    • Hoerbiger Ventilwerke Aktiengesellschaft
    • Herbert Frisch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Piezo valve

    • Patent number 5,318,271
    • Issue date Jun 7, 1994
    • Hoerbiger Ventilwerke Aktiengessellschaft
    • Herbert Frisch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical flexure for motion amplification and transducer with same

    • Patent number 5,265,637
    • Issue date Nov 30, 1993
    • Fisher Controls International, Inc.
    • George W. Gassman
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Electropneumatic positioner

    • Patent number 5,257,639
    • Issue date Nov 2, 1993
    • Dresser Industries, Inc.
    • Robert C. Prescott
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Mechanical flexure for motion amplification and transducer with same

    • Patent number 5,163,463
    • Issue date Nov 17, 1992
    • Fisher Controls International, Inc.
    • George W. Gassman
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    REDUCED MIXING PRESSURE EXCHANGER

    • Publication number 20230020630
    • Publication date Jan 19, 2023
    • Energy Recovery, Inc.
    • Omprakash Samudrala
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SERVO VALVES

    • Publication number 20200309164
    • Publication date Oct 1, 2020
    • HAMILTON SUNDSTRAND CORPORATION
    • Piotr SAWICKI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SERVOVALVES

    • Publication number 20200096016
    • Publication date Mar 26, 2020
    • HAMILTON SUNDSTRAND CORPORATION
    • Maciej BUJEWICZ
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Electro-Pneumatic Converter, Use of an Electro-Pneumatic Converter,...

    • Publication number 20200096010
    • Publication date Mar 26, 2020
    • SAMSON AKTIENGESELLSCHAFT
    • Sebastian TIETZ
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    INTEGRATED TRANSDUCER

    • Publication number 20190003613
    • Publication date Jan 3, 2019
    • FISHER CONTROLS INTERNATIONAL LLC
    • Curt Galbreath
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    PNEUMATIC VALVE ARRANGEMENT

    • Publication number 20180283409
    • Publication date Oct 4, 2018
    • Samson Aktiengesellschaft
    • Stefan Kolbenschlag
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    PRESSURE REGULATION SERVO-VALVE WITH REDUCED LEAKAGE FLOW RATE

    • Publication number 20180245607
    • Publication date Aug 30, 2018
    • SAFRAN LANDING SYSTEMS
    • Alain Briancon Marjollet
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    FAILSAFE INTEGRATED TRANSDUCER

    • Publication number 20170299083
    • Publication date Oct 19, 2017
    • FISHER CONTROLS INTERNATIONAL LLC
    • George W. Gassman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Integrated Transducer

    • Publication number 20170299084
    • Publication date Oct 19, 2017
    • FISHER CONTROLS INTERNATIONAL LLC
    • George W. Gassman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ELECTRO-PNEUMATIC CONVERTER WITH BALANCED FLAPPER

    • Publication number 20160230782
    • Publication date Aug 11, 2016
    • Norgren Limited
    • Tarik Saneecharaun
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    GAS VALVE ASSEMBLY WITH INTEGRATED PRESSURE REGULATOR

    • Publication number 20160097403
    • Publication date Apr 7, 2016
    • ROBERTSHAW CONTROLS COMPANY
    • Steven L. Russell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HIGH GAIN SERVO VALVE

    • Publication number 20140216245
    • Publication date Aug 7, 2014
    • Hamilton Sundstrand Corporation
    • Leo J. Veilleux
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WIRELESS POSITION TRANSDUCER FOR A VALVE

    • Publication number 20140144530
    • Publication date May 29, 2014
    • FISHER CONTROLS INTERNATIONAL LLC
    • Lorin Dion Miller
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    High Performance Transducer

    • Publication number 20130294623
    • Publication date Nov 7, 2013
    • Andy Askew
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    ELECTRO-PNEUMATIC POSITIONER AND ELECTRO-PNEUMATIC CONVERTING DEVICE

    • Publication number 20110240138
    • Publication date Oct 6, 2011
    • Yamatake Corporation
    • Yohsuke Inagaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    POSITIONER

    • Publication number 20110240891
    • Publication date Oct 6, 2011
    • Yamatake Corporation
    • Yohsuke Inagaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    PNEUMATIC AMPLIFIER AND ARRANGEMENT FOR REGULATING A REGULATING ARM...

    • Publication number 20090159135
    • Publication date Jun 25, 2009
    • Stefan Kolbenschlag
    • G05 - CONTROLLING REGULATING