the piston oscillating in the space

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotational displacement apparatus

    • Patent number 11,408,286
    • Issue date Aug 9, 2022
    • FETU LIMITED
    • Jonathan Paul Fenton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Spherical compressor

    • Patent number 10,774,834
    • Issue date Sep 15, 2020
    • 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

    Rotational displacement apparatus

    • Patent number 10,443,383
    • Issue date Oct 15, 2019
    • FETU LIMITED
    • Jonathan Paul Fenton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    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

    Fluid impelling device and electronic apparatus

    • Patent number 7,457,115
    • Issue date Nov 25, 2008
    • Lenovo (Singapore) Pte. Ltd.
    • Timothy Samuel Farrow
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Waveform actuating air compressor

    • Patent number 4,919,601
    • Issue date Apr 24, 1990
    • Jong D. Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3816037

    • Patent number 3,816,037
    • Issue date Jun 11, 1974
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3019964

    • Patent number 3,019,964
    • Issue date Feb 6, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2621852

    • Patent number 2,621,852
    • Issue date Dec 16, 1952
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2496668

    • Patent number 2,496,668
    • Issue date Feb 7, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2489041

    • Patent number 2,489,041
    • Issue date Nov 22, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2311334

    • Patent number 2,311,334
    • Issue date Feb 16, 1943
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents