the rotary cylinder being provided with only one piston, reciprocating within this cylinder

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating-cylinder compressor

    • Patent number 5,478,218
    • Issue date Dec 26, 1995
    • Inhoy Gu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary piston machine

    • Patent number 4,137,019
    • Issue date Jan 30, 1979
    • Rudolf Hofmann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2703675

    • Patent number 2,703,675
    • Issue date Mar 8, 1955
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2498877

    • Patent number 2,498,877
    • Issue date Feb 28, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2411929

    • Patent number 2,411,929
    • Issue date Dec 3, 1946
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2117448

    • Patent number 2,117,448
    • Issue date May 17, 1938
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1866822

    • Patent number 1,866,822
    • Issue date Jul 12, 1932
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1844181

    • Patent number 1,844,181
    • Issue date Feb 9, 1932
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1425192

    • Patent number 1,425,192
    • Issue date Aug 8, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...