Radial sealings for working fluid

Patents Grantslast 30 patents

  • Information Patent Grant

    Lobe pump

    • Patent number 11,927,185
    • Issue date Mar 12, 2024
    • BMA BRAUNSCHWEIGISCHE MASCHINBAUANSTALT AG
    • Hans-Heinrich Westendarp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flexible impeller pump

    • Patent number 11,885,326
    • Issue date Jan 30, 2024
    • MARINE FLOW LIMITED
    • Stuart Drysdale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor

    • Patent number 11,815,090
    • Issue date Nov 14, 2023
    • Samsung Electronics Co., Ltd.
    • Sunghea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing arrangement

    • Patent number 11,668,300
    • Issue date Jun 6, 2023
    • TOCIRCLE INDUSTRIES AS
    • Arne Høeg
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Positive displacement pump having an eccentric piston

    • Patent number 11,619,227
    • Issue date Apr 4, 2023
    • MOUVEX
    • Yann Besnier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with second intermediate cap to facilitate refrig...

    • Patent number 11,560,889
    • Issue date Jan 24, 2023
    • TRANE INTERNATIONAL INC.
    • Scott J. Smerud
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump sealing element

    • Patent number 11,286,929
    • Issue date Mar 29, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Roman Ickert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Eccentric screw pump

    • Patent number 11,236,747
    • Issue date Feb 1, 2022
    • NETZSCH Pumpen & Systeme GmbH
    • Josef Hauck
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pump comprising a spring

    • Patent number 11,143,181
    • Issue date Oct 12, 2021
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary device, rotary system, and fluid machinery, to which press-a...

    • Patent number 11,111,918
    • Issue date Sep 7, 2021
    • Beijing Rostar Technology Co. Ltd
    • Qihuai Yao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary piston engine and method for operating a rotary piston engine

    • Patent number 11,098,587
    • Issue date Aug 24, 2021
    • Fuelsave GmbH
    • Dirk Hoffmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic machine

    • Patent number 10,711,780
    • Issue date Jul 14, 2020
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump with vapor barrier

    • Patent number 10,443,596
    • Issue date Oct 15, 2019
    • Jung & Co. Geratebau GmbH
    • Weshen Christov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump with dual pressure relief

    • Patent number 10,337,512
    • Issue date Jul 2, 2019
    • Carrier Corporation
    • Russell G. Lewis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil delivery system for the lubrication of a chainsaw

    • Patent number 10,307,931
    • Issue date Jun 4, 2019
    • The Research Foundation for SUNY
    • Neil Haney
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump comprising a spring

    • Patent number 10,082,139
    • Issue date Sep 25, 2018
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concentric rotary fluid machine

    • Patent number 9,957,961
    • Issue date May 1, 2018
    • Greystone Technologies Pty Ltd
    • Nicholas Ryan Marchand
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary vane actuator with fluid actuated mechanical lock

    • Patent number 9,915,241
    • Issue date Mar 13, 2018
    • Woodward, Inc.
    • Joseph H. Kim
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    No corner seal rotary vane actuator

    • Patent number 9,841,021
    • Issue date Dec 12, 2017
    • Woodward, Inc.
    • Joseph H. Kim
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Internal gear pump

    • Patent number 9,751,512
    • Issue date Sep 5, 2017
    • Robert Bosch GmbH
    • Harald Speer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pump with mechanical seal assembly

    • Patent number 9,617,994
    • Issue date Apr 11, 2017
    • Delaware Capital Formation, Inc.
    • Michael Douglas Walters
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Working oil chamber sealing system of rotary vane steering gear act...

    • Patent number 9,567,998
    • Issue date Feb 14, 2017
    • Japan Hamworthy & Co., Ltd.
    • Yukio Tomita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable displacement vane pump

    • Patent number 9,534,595
    • Issue date Jan 3, 2017
    • KYB Corporation
    • Koichiro Akatsuka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor having gate axially movable with respect to rotor

    • Patent number 9,441,629
    • Issue date Sep 13, 2016
    • Torad Engineering, LLC
    • Gregory T. Kemp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine and associated method of operation

    • Patent number 9,394,902
    • Issue date Jul 19, 2016
    • Greystone Technologies Pty Ltd
    • Daryl Wheeler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Replaceable rotor pads for use with positive displacement pump

    • Patent number 9,377,021
    • Issue date Jun 28, 2016
    • Harry Soderstrom
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating pump and brake system using same

    • Patent number 9,163,627
    • Issue date Oct 20, 2015
    • DENSO CORPORATION
    • Yasuhiro Kawase
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Trochoidal rotary device

    • Patent number 9,121,405
    • Issue date Sep 1, 2015
    • GE Oil & Gas Compression Systems, LLC
    • Omar M. Kabir
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor

    • Patent number 9,097,254
    • Issue date Aug 4, 2015
    • LG Electronics Inc.
    • Kangwook Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor

    • Patent number 9,062,677
    • Issue date Jun 23, 2015
    • LG Electronics Inc.
    • Kangwook Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLEXIBLE IMPELLER PUMP

    • Publication number 20240167472
    • Publication date May 23, 2024
    • MARINE FLOW LIMITED
    • Stuart Drysdale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH SECOND INTERMEDIATE CAP TO FACILITATE REFRIG...

    • Publication number 20230003218
    • Publication date Jan 5, 2023
    • TRANE INTERNATIONAL INC.
    • Scott J. Smerud
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED SCREW-SPINDLE COOLANT PUMP

    • Publication number 20220333597
    • Publication date Oct 20, 2022
    • NIDEC GPM GmbH
    • Franz Pawellek
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LOBE PUMP

    • Publication number 20210363988
    • Publication date Nov 25, 2021
    • Hans-Heinrich WESTENDARP
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20210285444
    • Publication date Sep 16, 2021
    • Samsung Electronics Co., Ltd.
    • Sunghea CHO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Driving Structure of Three-Axis Multi-Stage Roots Pump

    • Publication number 20210088044
    • Publication date Mar 25, 2021
    • OVG VACUUM TECHNOLOGY (SHANGHAI) CO., LTD.
    • Yi Rong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARTRIDGE VANE PUMP AND PUMP DEVICE INCLUDING SAME

    • Publication number 20210003129
    • Publication date Jan 7, 2021
    • KYB Corporation
    • Hirotoshi KONDOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressure Balancing System For A Fluid Pump

    • Publication number 20200291935
    • Publication date Sep 17, 2020
    • Exponential Technologies, Inc.
    • Kristjan Gottfried
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Eccentric Screw Pump

    • Publication number 20200056609
    • Publication date Feb 20, 2020
    • NETZSCH Pumpen & Systeme GmbH
    • Josef Hauck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR

    • Publication number 20200025197
    • Publication date Jan 23, 2020
    • HANON SYSTEMS
    • Chi Myeong MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP SEALING ELEMENT

    • Publication number 20190277282
    • Publication date Sep 12, 2019
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Roman Ickert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTIPLE LOBE VANE FLUID PUMP HAVING ENHANCED UNDER-VANE CAVITY PRE...

    • Publication number 20190128258
    • Publication date May 2, 2019
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Terrence D. Hogan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP WITH AXIAL DISPLACEMENT OF THE VANES

    • Publication number 20180372094
    • Publication date Dec 27, 2018
    • UNIVERSIDADE DE AVEIRO
    • António Manuel GODINHO COMPLETO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP COMPRISING A SPRING

    • Publication number 20180372097
    • Publication date Dec 27, 2018
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus Welte
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY DEVICE, ROTARY SYSTEM, AND FLUID MACHINERY, TO WHICH PRESS-A...

    • Publication number 20180320687
    • Publication date Nov 8, 2018
    • BEIJING ROSTAR TECHNOLOGY CO. LTD
    • Qihuai YAO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FORKLIFT, INTERNAL GEAR PUMP, AND AXIAL COMPENSATION COMPONENT THEREOF

    • Publication number 20180087505
    • Publication date Mar 29, 2018
    • BYD COMPANY LIMITED
    • Anqing ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump with Dual Pressure Relief

    • Publication number 20170227006
    • Publication date Aug 10, 2017
    • Carrier Corporation
    • Russell G. Lewis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLEXIBLE IMPELLER PUMP

    • Publication number 20170130715
    • Publication date May 11, 2017
    • MARINE FLOW LIMITED
    • Stuart Drysdale
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL DELIVERY SYSTEM FOR THE LUBRICATION OF A CHAINSAW

    • Publication number 20170021523
    • Publication date Jan 26, 2017
    • The Research Foundation for the State University of New York
    • Neil Haney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND KIT FOR GEROTOR REPAIR

    • Publication number 20170008134
    • Publication date Jan 12, 2017
    • George D. Stuckey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MACHINE

    • Publication number 20160377079
    • Publication date Dec 29, 2016
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump

    • Publication number 20160305428
    • Publication date Oct 20, 2016
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP

    • Publication number 20160281713
    • Publication date Sep 29, 2016
    • SAFRAN Power UK Ltd.
    • Darren Christopher HOWARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A Concentric Rotary Fluid Machine

    • Publication number 20160201668
    • Publication date Jul 14, 2016
    • GREYSTONE TECHNOLOGIES PTY LTD
    • Nicholas Ryan Marchand
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Pump with Vapor Barrier

    • Publication number 20160061200
    • Publication date Mar 3, 2016
    • JUNG & CO. GERATEBAU GMBH
    • Weshen Christov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal Gear Pump

    • Publication number 20160009264
    • Publication date Jan 14, 2016
    • ROBERT BOSCH GmbH
    • Harald Speer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PUMP WITH MECHANICAL SEAL ASSEMBLY

    • Publication number 20150300352
    • Publication date Oct 22, 2015
    • Delaware Capital Formation, Inc.
    • Michael Douglas Walters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WORKING OIL CHAMBER SEALING SYSTEM OF ROTARY VANE STEERING GEAR ACT...

    • Publication number 20150252804
    • Publication date Sep 10, 2015
    • JAPAN HAMWORTHY & CO., LTD.
    • Yukio TOMITA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20150240808
    • Publication date Aug 27, 2015
    • Kayaba Industry Co., Ltd.
    • Koichiro Akatsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ADJUSTABLE VANE PUMP

    • Publication number 20150240807
    • Publication date Aug 27, 2015
    • Joma-Polytec GmbH
    • Marc Reiber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...