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of intermeshing engagement type

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  • CPC
  • F04C18/56
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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 F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/56of intermeshing engagement type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary positive displacement device
    • Patent number 12,180,960
    • Issue date Dec 31, 2024
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Volume ratio for a R718* compressor
    • Patent number 12,012,961
    • Issue date Jun 18, 2024
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid flow device
    • Patent number 11,614,089
    • Issue date Mar 28, 2023
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary fluid flow device
    • Patent number 10,975,869
    • Issue date Apr 13, 2021
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotor for a positive displacement compressor
    • Patent number 10,514,036
    • Issue date Dec 24, 2019
    • GM Global Technology Operations LLC
    • Tyson W. Brown
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spindle compressor using refrigerant cooling for housing and rotor
    • Patent number 10,337,515
    • Issue date Jul 2, 2019
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low-pressure pump
    • Patent number 9,022,752
    • Issue date May 5, 2015
    • Robert Bosch GmbH
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with screw rotor and gate rotor
    • Patent number 8,192,187
    • Issue date Jun 5, 2012
    • Daikin Industries, Ltd.
    • Kaname Ohtsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with screw rotor and gate rotor with inclined gate rotor...
    • Patent number 8,105,059
    • Issue date Jan 31, 2012
    • Daikin Industries, Ltd.
    • Kaname Ohtsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single screw compressor
    • Patent number 6,398,532
    • Issue date Jun 4, 2002
    • Shiliang Zha
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical scavenging system for single screw compressors
    • Patent number 5,082,431
    • Issue date Jan 21, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Thomas W. Bein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure single screw compressors
    • Patent number 4,981,424
    • Issue date Jan 1, 1991
    • The United States of America as represented by the Secretary of the Navy
    • Thomas W. Bein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rigid support structure for single screw compressors
    • Patent number 4,880,367
    • Issue date Nov 14, 1989
    • Thomas W. Bein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Worm-type rotary fluid compressor
    • Patent number 4,373,881
    • Issue date Feb 15, 1983
    • Iwata Air Compressor Manufacturing Company Ltd.
    • Yoshio Matsushita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3900275
    • Patent number 3,900,275
    • Issue date Aug 19, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3180559
    • Patent number 3,180,559
    • Issue date Apr 27, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3116871
    • Patent number 3,116,871
    • Issue date Jan 7, 1964
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY POSITIVE DISPLACEMENT DEVICE
    • Publication number 20240384720
    • Publication date Nov 21, 2024
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VOLUME RATIO FOR A R718* COMPRESSOR
    • Publication number 20230167823
    • Publication date Jun 1, 2023
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Flow Device
    • Publication number 20210301825
    • Publication date Sep 30, 2021
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Flow Device
    • Publication number 20190271317
    • Publication date Sep 5, 2019
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NEW TYPE GEAR SYSTEM
    • Publication number 20190211680
    • Publication date Jul 11, 2019
    • Athanasios KOTOUPAS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW-PRESSURE PUMP
    • Publication number 20110052438
    • Publication date Mar 3, 2011
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20100074785
    • Publication date Mar 25, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Kaname Ohtsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20100003153
    • Publication date Jan 7, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Kaname Ohtsuka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES