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the axes being arranged otherwise than at an angle of 90 degrees

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  • CPC
  • F04C18/54
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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

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F04C18/54the axes being arranged otherwise than at an angle of 90 degrees
Industries

Patents Grantslast 30 patents

  • 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

    Anti-locking mechanism of spherical compressor rotor
    • Patent number 10,947,977
    • Issue date Mar 16, 2021
    • Shenzhen Zhongke Zheng'an Science & Technology Partnership Enterprise (limite...
    • Luyi Wang
    • 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

    Anti-locking mechanism of spherical compressor rotor, anti-locking...
    • Patent number 10,316,844
    • Issue date Jun 11, 2019
    • Shenzhen Zhongke Zheng'an Science & Technology Partnership Enterprise (limite...
    • Luyi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automatic compensation mechanism for hinge seal gap in spherical co...
    • Patent number 9,328,732
    • Issue date May 3, 2016
    • Xi'An Zhengan Environmental Technology Co., Ltd.
    • Mengying Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spherical expansion compressor adapted to variable working conditions
    • Patent number 8,956,128
    • Issue date Feb 17, 2015
    • Xi'An Zhengan Environmental Technology Co., Ltd.
    • Luyi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Twin-plate rotary compressor
    • Patent number 7,726,960
    • Issue date Jun 1, 2010
    • Nanyang Technological University
    • Kim Tiow Oui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor or motor with rotors having interengaging blades...
    • Patent number 4,252,511
    • Issue date Feb 24, 1981
    • Meredith E. Bowdish
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3816039
    • Patent number 3,816,039
    • Issue date Jun 11, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3797242
    • Patent number 3,797,242
    • Issue date Mar 19, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3708252
    • Patent number 3,708,252
    • Issue date Jan 2, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3184154
    • Patent number 3,184,154
    • Issue date May 18, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3101700
    • Patent number 3,101,700
    • Issue date Aug 27, 1963
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2980318
    • Patent number 2,980,318
    • Issue date Apr 18, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2860828
    • Patent number 2,860,828
    • Issue date Nov 18, 1958
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2681046
    • Patent number 2,681,046
    • Issue date Jun 15, 1954
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2674952
    • Patent number 2,674,952
    • Issue date Apr 13, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2622569
    • Patent number 2,622,569
    • Issue date Dec 23, 1952
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2567505
    • Patent number 2,567,505
    • Issue date Sep 11, 1951
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2509790
    • Patent number 2,509,790
    • Issue date May 30, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2482325
    • Patent number 2,482,325
    • Issue date Sep 20, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2475096
    • Patent number 2,475,096
    • Issue date Jul 5, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2346236
    • Patent number 2,346,236
    • Issue date Apr 11, 1944
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2052155
    • Patent number 2,052,155
    • Issue date Aug 25, 1936
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1623596
    • Patent number 1,623,596
    • Issue date Apr 5, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1612287
    • Patent number 1,612,287
    • Issue date Dec 28, 1926
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1347512
    • Patent number 1,347,512
    • Issue date Jul 27, 1920
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents