TREA

having more than two rotary pistons with parallel axes

Follow

Industry

  • CPC
  • F04C18/165
This industry / category may be too specific. Please go to a parent level for more data

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

F04C18/165having more than two rotary pistons with parallel axes
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor unit assembly
    • Patent number 11,994,031
    • Issue date May 28, 2024
    • BAE Systems plc
    • James William Spain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor
    • Patent number 11,802,563
    • Issue date Oct 31, 2023
    • Mitsubishi Electric Corporation
    • Masahiro Kanda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Driving structure of three-axis multi-stage roots pump
    • Patent number 11,441,564
    • Issue date Sep 13, 2022
    • OVG VACUUM TECHNOLOGY (SHANGHAI) CO., LTD
    • Yi Rong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine with helically lobed rotors
    • Patent number 11,268,512
    • Issue date Mar 8, 2022
    • Carrier Corporation
    • Richard T. Pandzik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for modifying performance of rotor profile by adjusting mesh...
    • Patent number 10,883,496
    • Issue date Jan 5, 2021
    • Jiangnan University
    • Xueming He
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor for HVAC
    • Patent number 10,876,768
    • Issue date Dec 29, 2020
    • DENSO International America, Inc.
    • Sean Schoneboom
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump, pump system and method for pumping a medium
    • Patent number 9,587,637
    • Issue date Mar 7, 2017
    • J.G.M. van Heck Beheer B.V.
    • Jeroen Gerardus Maria Van Heck
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Planetary rotor machine manifold
    • Patent number 9,175,682
    • Issue date Nov 3, 2015
    • Helidyne LLC
    • Jack Kerlin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with asymmetric ports
    • Patent number 8,956,135
    • Issue date Feb 17, 2015
    • Carrier Corporation
    • Alexander Lifson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with a sound dampening device that separates lubri...
    • Patent number 8,500,424
    • Issue date Aug 6, 2013
    • Bitzer Kuehlmaschinenbau
    • Klaus Feller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor muffler
    • Patent number 8,328,532
    • Issue date Dec 11, 2012
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of manufacture, remanufacture, or repair of a compressor
    • Patent number 8,079,144
    • Issue date Dec 20, 2011
    • Carrier Corporation
    • Steven J. Holden
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor sound suppression
    • Patent number 8,021,126
    • Issue date Sep 20, 2011
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor sound suppression
    • Patent number 7,993,112
    • Issue date Aug 9, 2011
    • Carrier Corporation
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor muffler
    • Patent number 7,988,427
    • Issue date Aug 2, 2011
    • Carrier Corporation
    • William P. Patrick
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular multi-rotor compressor and method of manufacture
    • Patent number 7,980,836
    • Issue date Jul 19, 2011
    • David N. Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having asymmetric seal around rotor axis
    • Patent number 7,802,974
    • Issue date Sep 28, 2010
    • Carrier Corporation
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubrication system for compressor
    • Patent number 7,553,142
    • Issue date Jun 30, 2009
    • Carrier Corporation
    • Thomas M. Zinsmeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of remanufacturing a compressor
    • Patent number 7,318,275
    • Issue date Jan 15, 2008
    • Carrier Corporation
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 7,178,352
    • Issue date Feb 20, 2007
    • Carrier Corporation
    • Alexander Lifson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor sound suppression
    • Patent number 7,121,814
    • Issue date Oct 17, 2006
    • Carrier Corporation
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor discharge chamber with baffle plate
    • Patent number 6,976,833
    • Issue date Dec 20, 2005
    • Carrier Corporation
    • Mark A. Daniels
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic motor and gas booster
    • Patent number 6,948,919
    • Issue date Sep 27, 2005
    • Ingersoll-Rand Energy Systems Corporation
    • Eric Roslund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Coated end wall and method of manufacture
    • Patent number 6,739,851
    • Issue date May 25, 2004
    • Carrier Corporation
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Asymmetric porting for multi-rotor screw compressor
    • Patent number 6,638,042
    • Issue date Oct 28, 2003
    • Carrier Corporation
    • Steven James Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant gas buffered seal system
    • Patent number 6,619,430
    • Issue date Sep 16, 2003
    • Carrier Corporation
    • Jianping Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thrust load reliever
    • Patent number 6,485,279
    • Issue date Nov 26, 2002
    • Carrier Corporation
    • Jianping Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inlet bearing lubrication for a screw machine
    • Patent number 6,443,711
    • Issue date Sep 3, 2002
    • Carrier Corporation
    • Frederick L. Miller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-rotor helical-screw compressor
    • Patent number 6,217,304
    • Issue date Apr 17, 2001
    • David N. Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-rotor helical-screw compressor with thrust balance device
    • Patent number 6,093,007
    • Issue date Jul 25, 2000
    • David N. Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Compressor and Air Conditioner
    • Publication number 20240035471
    • Publication date Feb 1, 2024
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20220349404
    • Publication date Nov 3, 2022
    • Mitsubishi Electric Corporation
    • Masahiro KANDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE ROTARY PISTON PUMP
    • Publication number 20210140430
    • Publication date May 13, 2021
    • Leybold GmbH
    • Thomas DREIFERT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINE WITH HELICALLY LOBED ROTORS
    • Publication number 20190331113
    • Publication date Oct 31, 2019
    • Carrier Corporation
    • Richard T. Pandzik
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for Modifying Performance of Rotor Profile by Adjusting Mesh...
    • Publication number 20190186487
    • Publication date Jun 20, 2019
    • JIANGNAN UNIVERSITY
    • Xueming HE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLANETARY ROTOR MACHINE MANIFOLD
    • Publication number 20140255232
    • Publication date Sep 11, 2014
    • Jack Kerlin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH ASYMMETRIC PORTS
    • Publication number 20110262290
    • Publication date Oct 27, 2011
    • Carrier Corporation
    • Alexander Lifson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw-Type Compressor
    • Publication number 20110182762
    • Publication date Jul 28, 2011
    • Bitzer Kuehlmaschinenbau GmbH
    • Klaus Feller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Methods and Systems for Injecting Liquid Into a Screw Compressor fo...
    • Publication number 20110016895
    • Publication date Jan 27, 2011
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH INTEGRAL BEARING COVER AND DISCHARGE PLENUM D...
    • Publication number 20100135839
    • Publication date Jun 3, 2010
    • Bruce A. Fraser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODULAR MULTI-ROTOR COMPRESSOR AND METHOD OF MANUFACTURE
    • Publication number 20090304538
    • Publication date Dec 10, 2009
    • David N. Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor muffler
    • Publication number 20090068028
    • Publication date Mar 12, 2009
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor sound suppression
    • Publication number 20090060759
    • Publication date Mar 5, 2009
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR SOUND SUPPRESSION
    • Publication number 20080260547
    • Publication date Oct 23, 2008
    • Carrier Corporation
    • David M. Rockwell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor Muffler
    • Publication number 20080257640
    • Publication date Oct 23, 2008
    • Carrier Corporation
    • William P. Patrick
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COATED END WALL AND METHOD OF MANUFACTURE
    • Publication number 20080163473
    • Publication date Jul 10, 2008
    • Carrier Corporation
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor Seal
    • Publication number 20070286758
    • Publication date Dec 13, 2007
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor sound suppression
    • Publication number 20070020112
    • Publication date Jan 25, 2007
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor sound suppression
    • Publication number 20060073028
    • Publication date Apr 6, 2006
    • David M. Rockwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor sound suppression
    • Publication number 20060065478
    • Publication date Mar 30, 2006
    • David M. Rockwell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor
    • Publication number 20050223726
    • Publication date Oct 13, 2005
    • Alexander Lifson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Lubrication system for compressor
    • Publication number 20050186095
    • Publication date Aug 25, 2005
    • Thomas M. Zinsmeyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor discharge chamber with baffle plate
    • Publication number 20050106054
    • Publication date May 19, 2005
    • Mark A. Daniels
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hermetic motor and gas booster
    • Publication number 20050099075
    • Publication date May 12, 2005
    • Ingersoll-Rand Energy System Corporation
    • Eric Roslund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Coated end wall and method of manufacture
    • Publication number 20040194306
    • Publication date Oct 7, 2004
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ASYMMETRIC PORTING FOR MULTI-ROTOR SCREW COMPRESSOR
    • Publication number 20030210999
    • Publication date Nov 13, 2003
    • Steven James Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigerant gas buffered seal system
    • Publication number 20030070878
    • Publication date Apr 17, 2003
    • Jianping Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Thrust load reliever
    • Publication number 20020081226
    • Publication date Jun 27, 2002
    • Jianping Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...