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Industry

  • CPC
  • F04C2/08
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/08of intermeshing-engagement type
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP WITH PRESSURE RELIEF
    • Publication number 20250207582
    • Publication date Jun 26, 2025
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROTARY MACHINE WITH AN ENCODER MODULE
    • Publication number 20250207583
    • Publication date Jun 26, 2025
    • Danfoss Power Solutions APS
    • Charles Anthony Bates
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP ASSEMBLY
    • Publication number 20250188925
    • Publication date Jun 12, 2025
    • Rolls-Royce plc
    • Martin K. YATES
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    BEARING BLOCK FOR A GEAR PUMP ASSEMBLY
    • Publication number 20250188924
    • Publication date Jun 12, 2025
    • Rolls-Royce plc
    • Martin K. YATES
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Bearing for Pump
    • Publication number 20250180016
    • Publication date Jun 5, 2025
    • Eaton Intelligent Power Limited
    • Matthew A. Reinhardt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20250172140
    • Publication date May 29, 2025
    • LG Innotek Co., Ltd.
    • Moon Jae LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROCESS PUMP WITH DYNAMIC SEAL FOR DRY RUN CAPABILITY
    • Publication number 20250116271
    • Publication date Apr 10, 2025
    • VIKING PUMP, INC.
    • Justin PIERCE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DIAGNOSTIC CHECKS OF A GEAR PUMP IN A FLUID SYSTEM
    • Publication number 20250035111
    • Publication date Jan 30, 2025
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS TURBINE ENGINE HAVING A HYDRAULIC FAN BRAKE
    • Publication number 20250027427
    • Publication date Jan 23, 2025
    • GENERAL ELECTRIC COMPANY
    • Jeffrey D. Rambo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FUEL SUPPLY SYSTEM AND FUEL SUPPLY METHOD FOR AIRCRAFT GAS TURBINE...
    • Publication number 20250012274
    • Publication date Jan 9, 2025
    • IHI Corporation
    • Hirotaka SUGAWARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gerotor Pump And Motor/Pump Unit
    • Publication number 20250012275
    • Publication date Jan 9, 2025
    • Thomas Magnete GmbH
    • Christian KRETZER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    3-DIMENSIONAL PUMP ROTOR PROFILE
    • Publication number 20240418166
    • Publication date Dec 19, 2024
    • Boundary Lubrication Systems LLC
    • Travis Rosenbarger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP AND ITS USE
    • Publication number 20240352934
    • Publication date Oct 24, 2024
    • MAAG PUMP SYSTEMS AG
    • René TRIEBE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP WITH PRESSURE RELIEF
    • Publication number 20240352930
    • Publication date Oct 24, 2024
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULICS CONSTRUCTION KIT
    • Publication number 20240326544
    • Publication date Oct 3, 2024
    • RAPA Automotive GmbH & Co. KG
    • Rocco KEMNITZ
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SCREW ASSEMBLY FOR A TRIPLE SCREW PUMP AND SCREW PUMP COMPRISING SA...
    • Publication number 20240318649
    • Publication date Sep 26, 2024
    • Settima Meccanica S.r.l.
    • Manuele Rossi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID PUMP
    • Publication number 20240307836
    • Publication date Sep 19, 2024
    • FLUID-O-TECH S.R.L.
    • Diego ANDREIS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    WEARABLE FLUID DELIVERY SYSTEM
    • Publication number 20240307611
    • Publication date Sep 19, 2024
    • Luminoah, Inc.
    • Joseph Neal Piper
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    GEAR PUMP
    • Publication number 20240300299
    • Publication date Sep 12, 2024
    • Eberspächer Climate Control Systems GmbH
    • Marcel Scharla
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    GEAR PUMP
    • Publication number 20240301877
    • Publication date Sep 12, 2024
    • VALEO EMBRAYAGES
    • Manuel MERKLE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP AND INTERNAL GEAR MOTOR
    • Publication number 20240280098
    • Publication date Aug 22, 2024
    • SHIMADZU CORPORATION
    • Takuya KOKABU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENERGY TRANSFER MACHINE FOR CORROSIVE FLUIDS
    • Publication number 20240271618
    • Publication date Aug 15, 2024
    • Genesis Advanced Technology Inc.
    • James Brent Klassen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRIC AND HYDRAULIC MACHINE
    • Publication number 20240266902
    • Publication date Aug 8, 2024
    • Bosch Rexroth Corporation
    • Enrique Busquets
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20240254988
    • Publication date Aug 1, 2024
    • NIDEC GPM GmbH
    • Franz PAWELLEK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A GEAR PUMP
    • Publication number 20240239188
    • Publication date Jul 18, 2024
    • Dr. Ing. h.c.F. Porsche Aktiengesellschaft
    • Andreas Freuer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VOLUME EXPANSION FOR CAVITATION REDUCTION IN A GEAR PUMP MESH
    • Publication number 20240200555
    • Publication date Jun 20, 2024
    • Triumph Engine Control Systems, LLC
    • Thomas L. BURNHAM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL PHASE DIFFERENCE PUMP
    • Publication number 20240183405
    • Publication date Jun 6, 2024
    • Shimadzu Corporation
    • Takuya KOKABU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20240151226
    • Publication date May 9, 2024
    • AISIN CORPORATION
    • Junji SHIRAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE-MOTOR, DUAL-HYDRAULIC-CIRCUIT DRIVE SYSTEM FOR INDUSTRIAL MA...
    • Publication number 20240116739
    • Publication date Apr 11, 2024
    • Hyster-Yale Maximal Forklift (Zhejiang) Co., Ltd.
    • Binshen Gu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OUTER RING FOR AN OIL PUMP AND A METHOD FOR MANUFACTURING THE SAME
    • Publication number 20240093684
    • Publication date Mar 21, 2024
    • Hyundai Motor Company
    • Hak Soo Kim
    • B22 - CASTING POWDER METALLURGY