having the movement defined in group F04C2/02 and having a hinged member

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotation device and rotor compressor and fluid motor having the same

    • Patent number 10,215,025
    • Issue date Feb 26, 2019
    • Beijing Rostar Technology Co. Ltd
    • Frank Yao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3490381

    • Patent number 3,490,381
    • Issue date Jan 20, 1970
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1270522

    • Patent number 1,270,522
    • Issue date Jun 25, 1918
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20210017984
    • Publication date Jan 21, 2021
    • LG ELECTRONICS INC.
    • Ki Sun KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECCENTRIC MOVABLE VANE PUMP

    • Publication number 20170030352
    • Publication date Feb 2, 2017
    • Bin TANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...