having a C-shaped piston

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary fluid transmission device

    • Patent number 11,060,519
    • Issue date Jul 13, 2021
    • Gene-Huang Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor

    • Patent number 9,429,156
    • Issue date Aug 30, 2016
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor

    • Patent number 9,394,904
    • Issue date Jul 19, 2016
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Nutating fluid-mechanical energy converter

    • Patent number 9,309,862
    • Issue date Apr 12, 2016
    • Halliburton Energy Services, Inc.
    • Krunal Kanubhai Mehta
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary compressor

    • Patent number 9,284,958
    • Issue date Mar 15, 2016
    • Daikin Industries, Ltd.
    • Yukihiro Inada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having main cylinder chamber and sub-cylinder cha...

    • Patent number 8,936,448
    • Issue date Jan 20, 2015
    • Daikin Industries, Ltd.
    • Tetsuya Okamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    8915723

    • Patent number 8,915,723
    • Issue date Dec 23, 2014
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine having outer and inner cylinder chambers with...

    • Patent number 8,454,333
    • Issue date Jun 4, 2013
    • Daikin Industries, Ltd.
    • Takazou Sotojima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration apparatus

    • Patent number 8,419,395
    • Issue date Apr 16, 2013
    • Daikin Industries, Ltd.
    • Kazuhiro Furusho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine

    • Patent number 8,353,693
    • Issue date Jan 15, 2013
    • Daikin Industries, Ltd.
    • Takazou Sotojima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary-type fluid machine

    • Patent number 8,323,009
    • Issue date Dec 4, 2012
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration system

    • Patent number 8,225,624
    • Issue date Jul 24, 2012
    • Daikin Industries, Ltd.
    • Takahiro Yamaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machinery having annular back pressure space communicating wi...

    • Patent number 8,172,560
    • Issue date May 8, 2012
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mounting structure of discharge valve in scroll compressor

    • Patent number 7,891,961
    • Issue date Feb 22, 2011
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary type compressor

    • Patent number 7,802,972
    • Issue date Sep 28, 2010
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mounting structure of discharge valve in rotary compressor

    • Patent number 7,753,663
    • Issue date Jul 13, 2010
    • Daikin Industries, Ltd.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with low pressure space surrounding outer periphe...

    • Patent number 7,607,904
    • Issue date Oct 27, 2009
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid device performing compression and expansion of fluid w...

    • Patent number 7,588,428
    • Issue date Sep 15, 2009
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor

    • Patent number 7,563,080
    • Issue date Jul 21, 2009
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine with a suction shutoff angle of the outer cyli...

    • Patent number 7,553,141
    • Issue date Jun 30, 2009
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine

    • Patent number 7,534,100
    • Issue date May 19, 2009
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine having a swinging bushing with a swing center...

    • Patent number 7,435,065
    • Issue date Oct 14, 2008
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity-changing unit of orbiting vane compressor

    • Patent number 7,381,038
    • Issue date Jun 3, 2008
    • LG Electronics Inc.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Capacity-changing unit of orbiting vane compressor

    • Patent number 7,293,968
    • Issue date Nov 13, 2007
    • LG Electronics Inc.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Small-sized compressor

    • Patent number 6,676,392
    • Issue date Jan 13, 2004
    • Dovicom Technol Co., Ltd.
    • Dong-Il Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rolling piston compressor

    • Patent number 5,399,076
    • Issue date Mar 21, 1995
    • Nippondenso Co., Ltd.
    • Mikio Matsuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2092934

    • Patent number 2,092,934
    • Issue date Sep 14, 1937
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1967957

    • Patent number 1,967,957
    • Issue date Jul 24, 1934
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1658803

    • Patent number 1,658,803
    • Issue date Feb 14, 1928
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    502043

    • Patent number 502,043
    • Issue date Jul 25, 1893
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR COMPRESSOR

    • Publication number 20140255239
    • Publication date Sep 11, 2014
    • Kwang Seok Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20140186202
    • Publication date Jul 3, 2014
    • Seseok SEOL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20140186201
    • Publication date Jul 3, 2014
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20130011290
    • Publication date Jan 10, 2013
    • DAIKIN INDUSTRIES, LTD.
    • Tetsuya Okamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINE

    • Publication number 20100326128
    • Publication date Dec 30, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Takazou Sotojima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINERY

    • Publication number 20100322809
    • Publication date Dec 23, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION APPARATUS

    • Publication number 20100319394
    • Publication date Dec 23, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Kazuhiro Furusho
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY-TYPE FLUID MACHINE

    • Publication number 20100296959
    • Publication date Nov 25, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY FLUID MACHINE

    • Publication number 20100233008
    • Publication date Sep 16, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Takazou Sotojima
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20100119378
    • Publication date May 13, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Yoshitaka Shibamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20090277216
    • Publication date Nov 12, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY TYPE COMPRESSOR

    • Publication number 20090148325
    • Publication date Jun 11, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR

    • Publication number 20090074600
    • Publication date Mar 19, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Takashi Shimizu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigeration System

    • Publication number 20090013714
    • Publication date Jan 15, 2009
    • Takahiro Yamaguchi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ROTARY FLUID MACHINE

    • Publication number 20080232991
    • Publication date Sep 25, 2008
    • DAIKIN INDUSTRIES, LTD.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Machine

    • Publication number 20070224073
    • Publication date Sep 27, 2007
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary compressor

    • Publication number 20070065324
    • Publication date Mar 22, 2007
    • DAIKIN INDUSTRIES LTD.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary compressor

    • Publication number 20070041852
    • Publication date Feb 22, 2007
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary fluid machine

    • Publication number 20070036666
    • Publication date Feb 15, 2007
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary fluid machine

    • Publication number 20070003425
    • Publication date Jan 4, 2007
    • Masanori Masuda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Capacity-changing unit of orbiting vane compressor

    • Publication number 20060198749
    • Publication date Sep 7, 2006
    • LG ELECTRONICS INC.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial force reducing structure of orbiting vane compressor

    • Publication number 20060177334
    • Publication date Aug 10, 2006
    • LG ELECTRONICS INC.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Orbiting vane compressor

    • Publication number 20060073053
    • Publication date Apr 6, 2006
    • LG ELECTRONICS INC.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Capacity-changing unit of orbiting vane compressor

    • Publication number 20060073051
    • Publication date Apr 6, 2006
    • LG ELECTRONICS INC.
    • Seon-woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...