Couplings between rotors and input or output shafts acting by interengaging or mating parts

Patents Grantslast 30 patents

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    Disposable pump cartridge

    • Patent number 12,129,848
    • Issue date Oct 29, 2024
    • Johnson & Johnson Surgical Vision, Inc.
    • Yehuda Algawi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary positive displacement pump

    • Patent number 12,060,882
    • Issue date Aug 13, 2024
    • Alfa Laval Corporate AB
    • Simon Cargill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Fluid pump with thrust bearing driver

    • Patent number 12,018,680
    • Issue date Jun 25, 2024
    • PHINIA DELPHI LUXEMBOURG SARL
    • Alejandro Moreno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Hydraulic system for stripping concrete forms

    • Patent number 11,999,077
    • Issue date Jun 4, 2024
    • HAWKEYEPEDERSHAAB CONCRETE TECHNOLOGIES, INC.
    • Nathan Schock
    • B28 - WORKING CEMENT, CLAY, OR STONE
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    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...
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    Vane pump

    • Patent number 11,873,815
    • Issue date Jan 16, 2024
    • HELLA GMBH & CO. KGAA
    • Sascha Bruemmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Uniaxial eccentric screw pump

    • Patent number 11,867,172
    • Issue date Jan 9, 2024
    • Heishin Ltd
    • Nobuhisa Suhara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Irrigation pumpjack

    • Patent number 11,851,856
    • Issue date Dec 26, 2023
    • Allied H2O, Inc.
    • Stephen Paul Stewart
    • E03 - WATER SUPPLY SEWERAGE
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    Electric drive system for rotorcraft

    • Patent number 11,781,544
    • Issue date Oct 10, 2023
    • Textron Innovations Inc.
    • Grant Beall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Pump device, especially for mobile means of transport

    • Patent number 11,754,070
    • Issue date Sep 12, 2023
    • Bricks Group, LLC
    • Harry Soderstrom
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Drive shaft connector with counterweight and blades for cooling pum...

    • Patent number 11,686,311
    • Issue date Jun 27, 2023
    • Agilent Technologies, Inc.
    • Vannie Lu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Pump assembly and method for producing a pump assembly

    • Patent number 11,662,011
    • Issue date May 30, 2023
    • GKN Sinter Metals AG
    • Arno Steiner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual drive gerotor pump

    • Patent number 11,624,363
    • Issue date Apr 11, 2023
    • Hanon Systems EFP Canada Ltd.
    • Matthew Williamson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump

    • Patent number 11,536,268
    • Issue date Dec 27, 2022
    • KYB Corporation
    • Kohei Kubo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Compressor having oil guide path

    • Patent number 11,434,888
    • Issue date Sep 6, 2022
    • LG Electronics Inc.
    • Younghwan Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw spindle pump, fuel pump assembly, and fuel pump unit

    • Patent number 11,339,781
    • Issue date May 24, 2022
    • Vitesco Technologies GmbH
    • Johannes Deichmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pump having a motor housing and pump housing against one another

    • Patent number 11,199,167
    • Issue date Dec 14, 2021
    • Vitesco Technologies GmbH
    • Dirk Becker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Eccentric screw pump

    • Patent number 11,035,361
    • Issue date Jun 15, 2021
    • Hugo Vogelsang Maschinenbau GmbH
    • Paul Krampe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor

    • Patent number 11,018,544
    • Issue date May 25, 2021
    • NIDEC TOSOK CORPORATION
    • Shigehiro Kataoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Gear pump and gear assembly

    • Patent number 10,982,670
    • Issue date Apr 20, 2021
    • GM Global Technology Operations LLC
    • Mark R. Claywell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pump including a protruding portion and connecting an inner ge...

    • Patent number 10,883,499
    • Issue date Jan 5, 2021
    • Denso Corporation
    • Hiromi Sakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Systems and devices for pumping and controlling high temperature fl...

    • Patent number 10,808,694
    • Issue date Oct 20, 2020
    • Georgia Tech Research Corporation
    • Asegun Henry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Coupling element for an eccentric screw rotor

    • Patent number 10,760,571
    • Issue date Sep 1, 2020
    • NETZSCH Pumpen & Systeme GmbH
    • Mikael Tekneyan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric lubricant pump comprising a connectable drive

    • Patent number 10,605,242
    • Issue date Mar 31, 2020
    • ZF Friedrichshafen AG
    • Markus Krapf
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary piston pump, method for fixing rotary pistons of a rotary pi...

    • Patent number 10,539,136
    • Issue date Jan 21, 2020
    • NETZSCH Pumpen & Systeme GmbH
    • Stefan Weigl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor assemblies having radial deformation control members

    • Patent number 10,400,765
    • Issue date Sep 3, 2019
    • PeopleFlo Manufacturing, Inc.
    • William R. Blankemeier
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Electric pump apparatus

    • Patent number 10,378,525
    • Issue date Aug 13, 2019
    • Nissei Plastic Industrial Co., Ltd.
    • Toshiaki Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mud motor coupling system

    • Patent number 10,288,065
    • Issue date May 14, 2019
    • National-Oilwell DHT, L.P.
    • John P. Smid
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric motor-driven motor-vehicle vacuum pump, and drive shaft fo...

    • Patent number 10,288,067
    • Issue date May 14, 2019
    • Magna Powertrain Bad Homburg GmbH
    • Dietmar Moeser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mud motor apparatus and system

    • Patent number 10,280,683
    • Issue date May 7, 2019
    • National-Oilwell DHT, L.P.
    • John P. Smid
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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

    PIN COUPLING FOR CONNECTING A ROTARY DRIVE TO A PROGRESSIVE-CAVITY...

    • Publication number 20240117844
    • Publication date Apr 11, 2024
    • Gordon L. FENTON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM COMPRISING AN ELECTRIC MACHINE AND A HYDRAULIC UNIT, AS WELL...

    • Publication number 20230417244
    • Publication date Dec 28, 2023
    • Parker-Hannifin Corporation
    • Raimund PELZ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC SYSTEM FOR STRIPPING CONCRETE FORMS

    • Publication number 20230211521
    • Publication date Jul 6, 2023
    • HawkeyePedershaab Concrete Technologies, Inc.
    • Nathan SCHOCK
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    UNIAXIAL ECCENTRIC SCREW PUMP

    • Publication number 20220299025
    • Publication date Sep 22, 2022
    • HEISHIN Ltd.
    • Nobuhisa SUHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP

    • Publication number 20220196014
    • Publication date Jun 23, 2022
    • HELLA GmbH & Co. KGaA
    • Sascha BRUEMMER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VANE PUMP

    • Publication number 20220178369
    • Publication date Jun 9, 2022
    • KYB Corporation
    • Kouhei KUBO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSING CAVITY DEVICES AND ASSEMBLIES FOR COUPLING MULTIPLE STA...

    • Publication number 20220145882
    • Publication date May 12, 2022
    • National-Oilwell Varco, L.P.
    • Michael James Guidry
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Dual Drive Gerotor Pump

    • Publication number 20210355942
    • Publication date Nov 18, 2021
    • Hanon Systems EFP Canada Ltd.
    • Matthew WILLIAMSON
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SCREW SPINDLE PUMP, FUEL PUMP ASSEMBLY, AND FUEL PUMP UNIT

    • Publication number 20210239114
    • Publication date Aug 5, 2021
    • Vitesco Technologies GMBH
    • Johannes Deichmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IRRIGATION PUMPJACK

    • Publication number 20210025148
    • Publication date Jan 28, 2021
    • Allied H2O, Inc.
    • Stephen Paul Stewart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20200291779
    • Publication date Sep 17, 2020
    • LG ELECTRONICS INC.
    • Kyungho LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMBUSTION ENGINE ROTOR DEACTIVATION AND METHOD

    • Publication number 20200018228
    • Publication date Jan 16, 2020
    • Avner RONEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECCENTRIC SCREW PUMP

    • Publication number 20190162183
    • Publication date May 30, 2019
    • HUGO VOGELSANG MASCHINENBAU GMBH
    • Paul Krampe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Pump for Torque Transfer Device

    • Publication number 20180335127
    • Publication date Nov 22, 2018
    • BorgWarner Inc.
    • Travis J. Wentz
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Positive displacement pump with pressure relief

    • Publication number 20180245585
    • Publication date Aug 30, 2018
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Self-priming positive displacement pump with sectioned dividing wall

    • Publication number 20180245586
    • Publication date Aug 30, 2018
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ANTI-DECOMPRESSION GEAR FUEL PUMP FOR BROKEN BUBBLES

    • Publication number 20170342980
    • Publication date Nov 30, 2017
    • DONG WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAMSHAFT PHASE REGULATOR

    • Publication number 20170342871
    • Publication date Nov 30, 2017
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Yanhua He
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER PUMP ASSEMBLY

    • Publication number 20170328358
    • Publication date Nov 16, 2017
    • Bradley John Schrank
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Piston Pump, Method For Fixing Rotary Pistons Of A Rotary Pi...

    • Publication number 20170306949
    • Publication date Oct 26, 2017
    • NETZSCH Pumpen & Systeme GmbH
    • Stefan Weigl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive Displacement Pump

    • Publication number 20170204856
    • Publication date Jul 20, 2017
    • FRISTAM Pumpen Schaumburg GmbH
    • Torben Hahn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MELT PUMPS FOR PRODUCING SYNTHETIC GRANULES, EXTRUDED PROFILES OR M...

    • Publication number 20170182694
    • Publication date Jun 29, 2017
    • HENKE Property UG (haftungsbeschränkt)
    • Matthias Henke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ASSEMBLY WITH CHARGE PUMP ROTOR, INVERSION PUMP ROTOR AND SCAV...

    • Publication number 20170146013
    • Publication date May 25, 2017
    • HAMILTON SUNDSTRAND CORPORATION
    • Andrew R. Wilkinson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP COVER

    • Publication number 20170067461
    • Publication date Mar 9, 2017
    • HAMILTON SUNDSTRAND CORPORATION
    • Craig J. Wojcik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP

    • Publication number 20170058892
    • Publication date Mar 2, 2017
    • MAHLE FILTER SYSTEMS JAPAN CORPORATION
    • Toshinobu HORIMATSU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL PUMP SYSTEM FOR AUTOMATIC TRANSMISSION AUGMENTATION, EXTENDED...

    • Publication number 20170058895
    • Publication date Mar 2, 2017
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • John C. Schultz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TROCHOID PUMP FOR TRANSFERRING HIGH-VISCOSITY LIQUID UNDER HIGH PRE...

    • Publication number 20170002810
    • Publication date Jan 5, 2017
    • SHINHANG CO., LTD.
    • Hee Kyun KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO ROTOR VANE PUMP

    • Publication number 20160377077
    • Publication date Dec 29, 2016
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • TUSHAR P. KHANZODE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multiple Segment Lobe Pump

    • Publication number 20160281709
    • Publication date Sep 29, 2016
    • Brian J. O'Connor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...