designed to give the piston some rotary movement about its axis

Patents Grantslast 30 patents

  • Information Patent Grant

    Cylinder device

    • Patent number 10,520,087
    • Issue date Dec 31, 2019
    • SMC Corporation
    • Mikihito Ishii
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cylinder

    • Patent number 9,732,740
    • Issue date Aug 15, 2017
    • Fu Tai Hua Industry (Shenzhen) Co., Ltd.
    • Yu-Ching Liu
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electromagnetic reciprocating compressor

    • Patent number 5,727,932
    • Issue date Mar 17, 1998
    • Pegasus Airwave Limited
    • Michael Alan McGrath
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic reciprocating compressor

    • Patent number 5,603,612
    • Issue date Feb 18, 1997
    • Pegasus Airwave Limited
    • Michael A. McGrath
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic linear compressor with rotational bearing between s...

    • Patent number 5,597,294
    • Issue date Jan 28, 1997
    • Pegasus Airwave Limited
    • Michael A. McGrath
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston with a rotatable piston top

    • Patent number 5,179,916
    • Issue date Jan 19, 1993
    • MTU Motoren- und Turbinen-Union, Friedrichshafen
    • Dieter Schonfeld
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reciprocating piston-internal combustion engine with variable compr...

    • Patent number 4,602,596
    • Issue date Jul 29, 1986
    • Audi NSU Auto Union Aktiengesellschaft
    • Anton Kessler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reciprocating-piston drive mechanism

    • Patent number 4,372,179
    • Issue date Feb 8, 1983
    • Steyr-Daimler-Puch Aktiengesellschaft
    • Anton Dolenc
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Propeller and piston combination for internal combustion engines

    • Patent number 4,357,915
    • Issue date Nov 9, 1982
    • James R. Monsour
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Kelly head for hydraulic mast digger

    • Patent number 4,261,251
    • Issue date Apr 14, 1981
    • Hughes Tool Company
    • William L. Shepherd
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3901132

    • Patent number 3,901,132
    • Issue date Aug 26, 1975
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3842715

    • Patent number 3,842,715
    • Issue date Oct 22, 1974
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3762389

    • Patent number 3,762,389
    • Issue date Oct 2, 1973
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3512455

    • Patent number 3,512,455
    • Issue date May 19, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    3500724

    • Patent number 3,500,724
    • Issue date Mar 17, 1970
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2947583

    • Patent number 2,947,583
    • Issue date Aug 2, 1960
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2902987

    • Patent number 2,902,987
    • Issue date Sep 8, 1959
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2716670

    • Patent number 2,716,670
    • Issue date Aug 30, 1955
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2674506

    • Patent number 2,674,506
    • Issue date Apr 6, 1954
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2524273

    • Patent number 2,524,273
    • Issue date Oct 3, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2410958

    • Patent number 2,410,958
    • Issue date Nov 12, 1946
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2410565

    • Patent number 2,410,565
    • Issue date Nov 5, 1946
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2398690

    • Patent number 2,398,690
    • Issue date Apr 16, 1946
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2372050

    • Patent number 2,372,050
    • Issue date Mar 20, 1945
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2369500

    • Patent number 2,369,500
    • Issue date Feb 13, 1945
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2232802

    • Patent number 2,232,802
    • Issue date Feb 25, 1941
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2096562

    • Patent number 2,096,562
    • Issue date Oct 19, 1937
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2012874

    • Patent number 2,012,874
    • Issue date Aug 27, 1935
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1603135

    • Patent number 1,603,135
    • Issue date Oct 12, 1926
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1554743

    • Patent number 1,554,743
    • Issue date Sep 22, 1925
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CYLINDER DEVICE

    • Publication number 20170363208
    • Publication date Dec 21, 2017
    • SMC Corporation
    • Mikihito ISHII
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SYSTEMS AND METHODS FOR REPAIRING FLUID HANDLING EQUIPMENT

    • Publication number 20160039054
    • Publication date Feb 11, 2016
    • Energy Recovery, Inc.
    • Farshad Ghasripoor
    • B33 - ADDITIVE MANUFACTURING TECHNOLOGY