TREA

with similar tooth forms

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Industry

  • CPC
  • F04C2/18
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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

F04C2/18with similar tooth forms
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    GEAR PUMP OR GEAR MOTOR
    • Publication number 20250207585
    • Publication date Jun 26, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Koji WATARIDACHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    ROTARY POSITIVE DISPLACEMENT DEVICE
    • Publication number 20250129778
    • Publication date Apr 24, 2025
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    HYDRAULIC PUMP UNIT HAVING KNURLED CONNECTION OF A PILLOW BLOCK TO...
    • Publication number 20240271619
    • Publication date Aug 15, 2024
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Maximilian Haas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    GEAR PUMP
    • Publication number 20240229790
    • Publication date Jul 11, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CAVITATION RESISTANT JOURNAL BEARING
    • Publication number 20240191752
    • Publication date Jun 13, 2024
    • HAMILTON SUNDSTRAND CORPORATION
    • Mark W. Shoemaker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP, DRIVE DEVICE AND ADJUSTABLE-PITCH PROPELLER
    • Publication number 20240140612
    • Publication date May 2, 2024
    • Gideon Daniel VENTER
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Method of Handling Gear Pump, Control System, Coating Apparatus and...
    • Publication number 20240141894
    • Publication date May 2, 2024
    • ABB Schweiz AG
    • Arnulf Krogedal
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    GEAR PUMP
    • Publication number 20240133377
    • Publication date Apr 25, 2024
    • Valeo Powertrain GmbH
    • Roland STOESSEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CONFIGURATION INCLUDING A PURGE VALVE FOR REMOVING AIRLOCKS
    • Publication number 20240125323
    • Publication date Apr 18, 2024
    • Caterpillar Inc.
    • David A Mork
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A ROTARY POSITIVE DISPLACEMENT PUMP WITH A GUARD
    • Publication number 20240052831
    • Publication date Feb 15, 2024
    • Alfa Laval Corporate AB
    • Simon CARGILL
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY GEAR PUMP WITH A CENTERED DRIVE GEAR
    • Publication number 20240011486
    • Publication date Jan 11, 2024
    • ADVANCING PUMP TECHNOLOGY CORP.
    • Kim POLLARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BEARING MECHANICAL JOINING METHODS
    • Publication number 20230374985
    • Publication date Nov 23, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • Zachary Allen Ray LeDuc
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS FOR MEASURING FLUID FLOW OF FLUID SUPPLY ASSEMBLY
    • Publication number 20230323877
    • Publication date Oct 12, 2023
    • Valco Cincinnati, Inc.
    • Dan Davidson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP INTEGRATED WITH TWO INDEPENDENTLY DRIVEN PRIME MOVERS
    • Publication number 20230313795
    • Publication date Oct 5, 2023
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENHANCED POWER AND DESALINATION PERFORMANCE IN MEDX PLANT DESIGN UT...
    • Publication number 20230294014
    • Publication date Sep 21, 2023
    • JOHN D. WALKER
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    DYNAMIC CONTROL OF GEARS IN A GEAR PUMP HAVING A DRIVE-DRIVE CONFIG...
    • Publication number 20230250820
    • Publication date Aug 10, 2023
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP MATERIAL DELIVERY SYSTEM FOR ADDITIVE MA...
    • Publication number 20230241833
    • Publication date Aug 3, 2023
    • University of Delaware
    • Michael E. Mackay
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    DISMOUNTABLE PUMP SYSTEM AND METHOD
    • Publication number 20230240459
    • Publication date Aug 3, 2023
    • X Robotics, Inc
    • Denis Rodionov
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    BEARING STRUCTURE FOR GEAR IN EXTERNAL GEAR PUMP
    • Publication number 20230184247
    • Publication date Jun 15, 2023
    • IHI Corporation
    • Masahiro TANIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLARED SPRINGS FOR BEARING ASSEMBLIES
    • Publication number 20230175550
    • Publication date Jun 8, 2023
    • HAMILTON SUNDSTRAND CORPORATION
    • David J. Avery
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP CONFIGURATION INCLUDING A PURGE VALVE
    • Publication number 20230059905
    • Publication date Feb 23, 2023
    • Caterpillar Inc.
    • David A Mork
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEAR PUMP OR GEAR MOTOR
    • Publication number 20230032135
    • Publication date Feb 2, 2023
    • SHIMADZU CORPORATION
    • Kenichi KANATANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump Stage Assembly, External Gear Pump, Use Of A Pump Stage Assemb...
    • Publication number 20220356941
    • Publication date Nov 10, 2022
    • Vitesco Technologies GMBH
    • Christian BÖHM
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pump Stage Assembly, External Gear Pump, Use Of A Pump Stage Assemb...
    • Publication number 20220243803
    • Publication date Aug 4, 2022
    • Vitesco Technologies GMBH
    • Christian BÖHM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP INTEGRATED WITH TWO INDEPENDENTLY DRIVEN PRIME MOVERS
    • Publication number 20220220959
    • Publication date Jul 14, 2022
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR ACTUATOR ASSEMBLY AND SYSTEM
    • Publication number 20220163054
    • Publication date May 26, 2022
    • Project Phoenix, LLC
    • Thomas AFSHARI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR AND ROD-DRIVEN ROTARY GEAR PUMPS
    • Publication number 20220112893
    • Publication date Apr 14, 2022
    • ADVANCING PUMP TECHNOLOGY CORP.
    • Peter STRAUB
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...