Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps

Patents Grantslast 30 patents

  • Information Patent Grant

    Spring retainer for gear pump bearing plate

    • Patent number 11,988,209
    • Issue date May 21, 2024
    • Hamilton Sundstrand Corporation
    • Edward W. Goy
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Controlling pressure on a journal bearing

    • Patent number 11,905,949
    • Issue date Feb 20, 2024
    • EATON INTELLIGENT POWER LIMITED
    • Adrian Ciobota
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump with cooled journal bearings

    • Patent number 11,898,559
    • Issue date Feb 13, 2024
    • Hamilton Sundstrand Corporation
    • Mark W. Shoemaker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with discharge control

    • Patent number 11,828,181
    • Issue date Nov 28, 2023
    • Charles H. Tuckey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Helical gear pump and helical gear motor

    • Patent number 11,773,845
    • Issue date Oct 3, 2023
    • Shimadzu Corporation
    • Kenichi Kanatani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump with self-lubricating bearings

    • Patent number 11,703,050
    • Issue date Jul 18, 2023
    • EATON INTELLIGENT POWER LIMITED
    • Martin Augustine Clements
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic gear pump with radial pressure compensator

    • Patent number 11,680,564
    • Issue date Jun 20, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with axial compensation

    • Patent number 11,680,567
    • Issue date Jun 20, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • 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

    Pump system and method for optimized torque requirements and volume...

    • Patent number 11,661,938
    • Issue date May 30, 2023
    • GM Global Technology Operations LLC
    • Robert Benson Parrish
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Anchored low pressure gear pump wear plate

    • Patent number 11,624,361
    • Issue date Apr 11, 2023
    • Caterpillar Inc.
    • David Arthur Mork
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with axial compensation, outlet gasket for a pump and p...

    • Patent number 11,608,828
    • Issue date Mar 21, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil pump including resin pump cover

    • Patent number 11,530,698
    • Issue date Dec 20, 2022
    • Yamada Manufacturing Co., Ltd.
    • Yuken Saito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with radial pressure compensator

    • Patent number 11,506,200
    • Issue date Nov 22, 2022
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump

    • Patent number 11,480,172
    • Issue date Oct 25, 2022
    • Toyoda Gosei Co., Ltd.
    • Mitsuhiro Yoshimura
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Positive displacement pump including an unloading device

    • Patent number 11,473,574
    • Issue date Oct 18, 2022
    • Deere & Company
    • Robert C. Emmert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil pump including gap between flange portion of tubular core and f...

    • Patent number 11,448,211
    • Issue date Sep 20, 2022
    • Toyoda Gosei Co., Ltd.
    • Shinya Sakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Geared volumetric machine

    • Patent number 11,448,212
    • Issue date Sep 20, 2022
    • CASAPPA S.P.A.
    • Manuel Rigosi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump device having three member seal mechanism containing fitt...

    • Patent number 11,378,077
    • Issue date Jul 5, 2022
    • Advics Co., Ltd.
    • Tadayoshi Usami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact dual-section gear pump

    • Patent number 11,365,731
    • Issue date Jun 21, 2022
    • Parker-Hannifin Corporation
    • John B. Einfalt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with rotor bearing ring

    • Patent number 11,353,019
    • Issue date Jun 7, 2022
    • The Bricks Groupe, LLC
    • Carl Magnus Danielsson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with a lubricant feed connecting a rotor bearing and a...

    • Patent number 11,280,336
    • Issue date Mar 22, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Michael Ehringer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Adaptive self-sealing microfluidic gear pump

    • Patent number 11,208,998
    • Issue date Dec 28, 2021
    • Massachusetts Institute of Technology
    • Anette E. Hosoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature high pressure pump and electrical hydraulic actuation system

    • Patent number 11,193,507
    • Issue date Dec 7, 2021
    • Purdue Research Foundation
    • Andrea Vacca
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Positive displacement pump including an unloading device

    • Patent number 11,131,303
    • Issue date Sep 28, 2021
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump and system for supplying a consumer

    • Patent number 11,098,714
    • Issue date Aug 24, 2021
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Ante Bodrozic
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump journal bearing lubrication flow feed

    • Patent number 11,060,560
    • Issue date Jul 13, 2021
    • EATON INTELLIGENT POWER LIMITED
    • Martin A. Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Bearing with an eccentric seal groove

    • Patent number 10,962,059
    • Issue date Mar 30, 2021
    • Hamilton Sundstrand Corporation
    • Zachary Allen Ray Le Duc
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-phase pump with cooled liquid reservoir

    • Patent number 10,962,002
    • Issue date Mar 30, 2021
    • Flowserve Management Company
    • Alejandro Fratini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump

    • Patent number 10,920,773
    • Issue date Feb 16, 2021
    • Aisin Seiki Kabushiki Kaisha
    • Atsuo Isoda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTROLLING PRESSURE ON A JOURNAL BEARING

    • Publication number 20230033416
    • Publication date Feb 2, 2023
    • Eaton Intelligent Power Limited
    • Adrian Ciobota
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY PUMP WITH DISCHARGE CONTROL

    • Publication number 20220112808
    • Publication date Apr 14, 2022
    • CHARLES H. TUCKEY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY PUMP WITH ROTOR BEARING RING

    • Publication number 20220065246
    • Publication date Mar 3, 2022
    • The Bricks Groupe, LLC
    • Carl Magnus Danielsson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP

    • Publication number 20210372399
    • Publication date Dec 2, 2021
    • PMC LIQUIFLO EQUIPMENT CO., INC.
    • Yu-Sen J. Chu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP INCLUDING AN UNLOADING DEVICE

    • Publication number 20210262464
    • Publication date Aug 26, 2021
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP

    • Publication number 20210095663
    • Publication date Apr 1, 2021
    • Toyoda Gosei Co., Ltd.
    • Mitsuhiro YOSHIMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ARRANGEMENT

    • Publication number 20200347726
    • Publication date Nov 5, 2020
    • TOCIRCLE INDUSTRIES AS
    • Arne HØEG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Stabilizing Bushing Constructed of Fiber Reinforced Structural Comp...

    • Publication number 20200240408
    • Publication date Jul 30, 2020
    • John A. Kozel
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    GEAR PUMP DEVICE

    • Publication number 20200141402
    • Publication date May 7, 2020
    • ADVICS CO., LTD.
    • Tadayoshi USAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP

    • Publication number 20190301455
    • Publication date Oct 3, 2019
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Michael Ehringer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP INCLUDING AN UNLOADING DEVICE

    • Publication number 20190285068
    • Publication date Sep 19, 2019
    • Deere & Company
    • Robert C. Emmert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MINIATURE HIGH PRESSURE PUMP AND ELECTRICAL HYDRAULIC ACTUATION SYSTEM

    • Publication number 20190242410
    • Publication date Aug 8, 2019
    • Purdue Research Foundation
    • Andrea VACCA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    SELF ADJUSTING PUMP FOR ICE CREAM FREEZER

    • Publication number 20190003478
    • Publication date Jan 3, 2019
    • Tetra Laval Holdings & Finance S.A.
    • Ole Bendixen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-PHASE PUMP WITH COOLED LIQUID RESERVOIR

    • Publication number 20180320685
    • Publication date Nov 8, 2018
    • FLOWSERVE MANAGEMENT COMPANY
    • Alejandro Fratini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL FLOW CONTROL ASSEMBLY OF AIRCRAFT ENGINE AND METHOD

    • Publication number 20180209419
    • Publication date Jul 26, 2018
    • HAMILTON SUNDSTRAND CORPORATION
    • Leo J. Veilleux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive-Displacement Pump, Method for Operating a Positive-Displac...

    • Publication number 20180142686
    • Publication date May 24, 2018
    • Robert Bosch Automotive Steering GMBH
    • Michael Reichenmiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP DEVICE

    • Publication number 20180112662
    • Publication date Apr 26, 2018
    • ADVICS CO., LTD.
    • Takashi HASHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP BEARING

    • Publication number 20180100504
    • Publication date Apr 12, 2018
    • Rolls-Royce plc
    • Martin K. YATES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING STRUCTURES FOR GEAR PUMPS

    • Publication number 20180051696
    • Publication date Feb 22, 2018
    • HAMILTON SUNDSTRAND CORPORATION
    • Ryan Shook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEARED FLUID MACHINE

    • Publication number 20180030982
    • Publication date Feb 1, 2018
    • Eckerle Industrie-Electronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC OIL PUMP, IN PARTICULAR FOR A MOTOR VEHICLE

    • Publication number 20170284391
    • Publication date Oct 5, 2017
    • BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT, WUERZBURG
    • UWE KLIPPERT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH SHAPED FACE SEAL

    • Publication number 20170058894
    • Publication date Mar 2, 2017
    • IMO INDUSTRIES, INC.
    • Philip Taylor Alexander
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT GEAR PUMP

    • Publication number 20160047377
    • Publication date Feb 18, 2016
    • G.P.S. GREEN POWER SOLUTION SA
    • Franco TOMMASINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal Gear Pump

    • Publication number 20160046271
    • Publication date Feb 18, 2016
    • ROBERT BOSCH GmbH
    • Harald Speer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    GEAR PUMP DRIVE GEAR STATIONARY BEARING

    • Publication number 20150354561
    • Publication date Dec 10, 2015
    • HAMILTON SUNDSTRAND CORPORATION
    • Brandon T. Kovach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP DRIVEN GEAR STATIONARY BEARING

    • Publication number 20150354562
    • Publication date Dec 10, 2015
    • HAMILTON SUNDSTRAND CORPORATION
    • Brandon T. Kovach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP

    • Publication number 20150337835
    • Publication date Nov 26, 2015
    • JTEKT Corporation
    • Takatoshi Sakata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump

    • Publication number 20150337836
    • Publication date Nov 26, 2015
    • Hitachi, Ltd
    • Takahiro ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal Gear Pump for a Hydraulic Vehicle Brake System

    • Publication number 20150274141
    • Publication date Oct 1, 2015
    • ROBERT BOSCH GmbH
    • Rene Schepp
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Motor-Pump Unit

    • Publication number 20150267701
    • Publication date Sep 24, 2015
    • Eckerle Industrie-Elektronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...