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Patents Grantslast 30 patents

  • Information Patent Grant

    Shroud for rotary engine

    • Patent number 9,874,097
    • Issue date Jan 23, 2018
    • Exponential Technologies, Inc.
    • Curtis Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid device with roll pockets alternatingly pressurized at differe...

    • Patent number 9,341,063
    • Issue date May 17, 2016
    • Eaton Corporation
    • Jay P. Lucas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shroud for rotary engine

    • Patent number 9,115,646
    • Issue date Aug 25, 2015
    • Exponential Technologies, Inc.
    • Curtis Patterson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Root pump

    • Patent number 8,348,650
    • Issue date Jan 8, 2013
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masahiro Inagaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine with divided housing

    • Patent number 8,215,937
    • Issue date Jul 10, 2012
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masahiro Inagaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for manufacturing a machine housing having a surface-hardene...

    • Patent number 8,003,912
    • Issue date Aug 23, 2011
    • Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG
    • Peter Wagner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary positive displacement control system and apparatus

    • Patent number 7,341,042
    • Issue date Mar 11, 2008
    • Liung Feng Industrial Co., Ltd.
    • Tien-tung Chung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Toroidal internal combustion engine and method for its thermo-stabi...

    • Patent number 6,488,004
    • Issue date Dec 3, 2002
    • Medis El Ltd.
    • Victor Isaevich Adamovski
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Screw machine

    • Patent number 6,290,480
    • Issue date Sep 18, 2001
    • Carrier Corporation
    • Alexander Lifson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of making wear resistant material lined housings

    • Patent number 6,005,214
    • Issue date Dec 21, 1999
    • Margaret D. Cramer
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rotary fluid machine

    • Patent number 4,938,670
    • Issue date Jul 3, 1990
    • Tocew Lee
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump or motor with hard layer in interior casing surface

    • Patent number 4,744,738
    • Issue date May 17, 1988
    • Shimadzu Corporation
    • Masayuki Miki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method and apparatus for the manufacture of a single-rotation machi...

    • Patent number 4,722,126
    • Issue date Feb 2, 1988
    • Wankel; Felix
    • Otto Kraic
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotatable pneumatic gear motor having a deformable adjustable seale...

    • Patent number 4,278,410
    • Issue date Jul 14, 1981
    • Umicum S.A.
    • Alain de Gaillard
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Stator for a downhole fluid operated motor and method of assembling...

    • Patent number 4,207,037
    • Issue date Jun 10, 1980
    • Eastman-Whipstock, Inc.
    • Mathew B. Riordan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary piston machine with wear surface on rotary valve member

    • Patent number 4,198,194
    • Issue date Apr 15, 1980
    • George V. Woodling
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotor-stator gear set

    • Patent number 4,008,015
    • Issue date Feb 15, 1977
    • Eaton Corporation
    • Hugh L. McDermott
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary piston engine with improved housing and piston configuration

    • Patent number 3,955,903
    • Issue date May 11, 1976
    • DE Dobo; Aranka Elisabeth
    • Tibor Louis de Dobo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3922117

    • Patent number 3,922,117
    • Issue date Nov 25, 1975
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3764239

    • Patent number 3,764,239
    • Issue date Oct 9, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3716314

    • Patent number 3,716,314
    • Issue date Feb 13, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3574492

    • Patent number 3,574,492
    • Issue date Apr 13, 1971
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3506383

    • Patent number 3,506,383
    • Issue date Apr 14, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2873909

    • Patent number 2,873,909
    • Issue date Feb 17, 1959
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1982027

    • Patent number 1,982,027
    • Issue date Nov 27, 1934
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Shroud For Rotary Engine

    • Publication number 20150361794
    • Publication date Dec 17, 2015
    • Exponential Technologies, Inc.
    • Curtis Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID DEVICE WITH PRESSURIZED ROLL POCKETS

    • Publication number 20140147321
    • Publication date May 29, 2014
    • EATON CORPORATION
    • Jay P. Lucas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROOTS SUPERCHARGER WITH A SHUNT PULSATION TRAP

    • Publication number 20120020824
    • Publication date Jan 26, 2012
    • Paul Xiubao Huang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SHROUD FOR ROTARY ENGINE

    • Publication number 20110311351
    • Publication date Dec 22, 2011
    • Curtis Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Method for Manufacturing a Machine Housing Having a Surface-Hardene...

    • Publication number 20100178518
    • Publication date Jul 15, 2010
    • BRINKMANN PUMPEN K.H. BRINKMANN GMBH & CO. KG
    • Peter Wagner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    FLUID MACHINE

    • Publication number 20100047104
    • Publication date Feb 25, 2010
    • Masahiro Inagaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Motor With Intermittent Movements of the Rotors

    • Publication number 20090297385
    • Publication date Dec 3, 2009
    • Ben Cornelius
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID MACHINE

    • Publication number 20090285711
    • Publication date Nov 19, 2009
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masahiro Inagaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES