the surfaces of the inner and outer member, forming the working space, being surfaces of revolution

Patents Grantslast 30 patents

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    Seal assembly for a rotary engine housing

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    • Issue date Oct 8, 2024
    • Pratt & Whitney Canada Corp.
    • Johnny Vinski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Rotating heating chamber apparatus and method of use thereof

    • Patent number 12,044,128
    • Issue date Jul 23, 2024
    • Merton W. Pekrul
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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    Flow path diverter for pneumatic tool

    • Patent number 11,883,942
    • Issue date Jan 30, 2024
    • Snap-on Incorporated
    • Richard Bothmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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    Shifting head assisted rotary positive displacement device

    • Patent number 11,814,961
    • Issue date Nov 14, 2023
    • Joshua M. Schmitt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Self-rotation graphene heat-dissipation device for direct-drive ele...

    • Patent number 11,788,553
    • Issue date Oct 17, 2023
    • Harbin Institute of Technology
    • Songjing Li
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Therapeutic delivery vesicles

    • Patent number 11,649,272
    • Issue date May 16, 2023
    • Evox Therapeutics Ltd
    • Samir El Andaloussi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Therapeutic delivery vesicles

    • Patent number 11,274,139
    • Issue date Mar 15, 2022
    • Evox Therapeutics Ltd
    • Samir El Andaloussi
    • C07 - ORGANIC CHEMISTRY
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    Pneumatic control device

    • Patent number 11,225,986
    • Issue date Jan 18, 2022
    • HOLD WELL INDUSTRIAL CO., LTD.
    • Wen-Pin Chen
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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    Arc turbine

    • Patent number 11,199,093
    • Issue date Dec 14, 2021
    • Jerry Iraj Yadegar
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Pneumatic engine and related methods

    • Patent number 10,641,239
    • Issue date May 5, 2020
    • SUNNYCO INC.
    • Bun Wong
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Gas passage switching structure for pneumatic rotary hand tool

    • Patent number 10,626,725
    • Issue date Apr 21, 2020
    • De Poan Pneumatic Corp.
    • I-Tsung Wu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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    Power device for pneumatic packing tool

    • Patent number 10,414,527
    • Issue date Sep 17, 2019
    • Hsiu-Man Yu Chen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Vane heat engine

    • Patent number 10,113,427
    • Issue date Oct 30, 2018
    • Brian Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Reversible pneumatic vane motor

    • Patent number 9,835,031
    • Issue date Dec 5, 2017
    • ATLAS COPCO INDUSTRIAL TECHNIQUE AB
    • Anders Urban Nelson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Vane pump assembly

    • Patent number 9,739,149
    • Issue date Aug 22, 2017
    • Charles Tuckey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Rotary vane air motor with improved vanes and other improvements

    • Patent number 9,689,260
    • Issue date Jun 27, 2017
    • Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd.
    • Davey Z. Liang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Expander for recovery of thermal energy from a fluid

    • Patent number 9,574,446
    • Issue date Feb 21, 2017
    • ING ENEA MATTEI S.p.A.
    • Giulio Contaldi
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    • Patent number 9,057,266
    • Issue date Jun 16, 2015
    • Greittek OY
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    • Patent number 9,027,528
    • Issue date May 12, 2015
    • Jose Fernando Bittencourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Rotary piston engine

    • Patent number 8,936,004
    • Issue date Jan 20, 2015
    • The United States of America as represented by the Secretary of the Navy
    • William Gregory Buchanan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    • Patent number 8,915,726
    • Issue date Dec 23, 2014
    • Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd.
    • Davey Z. Liang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Two-stage rotary expander, expander-compressor unit, and refrigerat...

    • Patent number 8,690,555
    • Issue date Apr 8, 2014
    • Panasonic Corporation
    • Takeshi Ogata
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    Vane air motor with prevention of leaking radial bearing grease

    • Patent number 8,672,659
    • Issue date Mar 18, 2014
    • Nitto Kohki Co., Ltd.
    • Takashi Nakajoh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Vane air motor

    • Patent number 8,439,662
    • Issue date May 14, 2013
    • Nitto Kohki Co., Ltd.
    • Takashi Nakajoh
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    Fluid machine and refrigeration cycle apparatus

    • Patent number 8,087,260
    • Issue date Jan 3, 2012
    • Panasonic Corporation
    • Takeshi Ogata
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  • Information Patent Grant

    Pneumatic tool having a rotor with a wear-resistant vane slot

    • Patent number 7,997,959
    • Issue date Aug 16, 2011
    • Hutchins Manufacturing Company
    • Donald H. Hutchins
    • B24 - GRINDING POLISHING
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    Device and method for evacuating storage bag

    • Patent number 7,937,914
    • Issue date May 10, 2011
    • The Glad Products Company
    • Alan F. Savicki
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Rotary displacement steam engine

    • Patent number 7,913,493
    • Issue date Mar 29, 2011
    • Isuzu Motors Limited
    • Yasushi Yamamoto
    • F28 - HEAT EXCHANGE IN GENERAL
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    Compressor/expander of the rotating vane type

    • Patent number 7,823,398
    • Issue date Nov 2, 2010
    • John Stewart Glen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Pneumatic vane motor with by-pass means

    • Patent number 7,811,070
    • Issue date Oct 12, 2010
    • Atlas Copco Tools AB
    • Anders Urban Nelson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

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    THERAPEUTIC DELIVERY VESICLES

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    • Publication date Apr 13, 2023
    • Evox Therapeutics Ltd
    • Samir EL ANDALOUSSI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLOW PATH DIVERTER FOR PNEUMATIC TOOL

    • Publication number 20210402587
    • Publication date Dec 30, 2021
    • Snap-on Incorporated
    • Richard Bothmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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    Arc Turbine

    • Publication number 20210277780
    • Publication date Sep 9, 2021
    • Jerry Iraj Yadegar
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    ROTARY VANE INTERNAL COMBUSTION ENGINE

    • Publication number 20210199047
    • Publication date Jul 1, 2021
    • Irineu Gelson Prado LONGHI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    ROTATING HEATING CHAMBER APPARATUS AND METHOD OF USE THEREOF

    • Publication number 20210140317
    • Publication date May 13, 2021
    • Merton W. Pekrul
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    THERAPEUTIC DELIVERY VESICLES

    • Publication number 20200207833
    • Publication date Jul 2, 2020
    • Evox Therapeutics Ltd
    • Samir EL ANDALOUSSI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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    GAS PASSAGE SWITCHING STRUCTURE FOR PNEUMATIC ROTARY HAND TOOL

    • Publication number 20190003306
    • Publication date Jan 3, 2019
    • De Poan Pneumatic Corp.
    • I-TSUNG WU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ECCENTRIC MOTOR

    • Publication number 20150377023
    • Publication date Dec 31, 2015
    • József KOLOSSA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REVERSIBLE PNEUMATIC VANE MOTOR

    • Publication number 20150147212
    • Publication date May 28, 2015
    • Atlas Copco Industrial Technique AB
    • Anders Urban Nelson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Vane Air Motor with Improved Vanes and Other Improvements

    • Publication number 20150071806
    • Publication date Mar 12, 2015
    • Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd.
    • Davey Z. Liang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXPANDER FOR RECOVERY OF THERMAL ENERGY FROM A FLUID

    • Publication number 20140369877
    • Publication date Dec 18, 2014
    • ING ENEA MATTEI S.P.A.
    • Giulio Contaldi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PNEUMATIC MOTOR

    • Publication number 20140000447
    • Publication date Jan 2, 2014
    • Chih-Ming TING
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Vane Air Motor with Improved Vanes and Other Improvements

    • Publication number 20130202470
    • Publication date Aug 8, 2013
    • Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd.
    • Davey Z. Liang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CYLINDER ASSEMBLY FOR PNEUMATIC MOTOR AND PNEUMATIC MOTOR COMPRISIN...

    • Publication number 20120137875
    • Publication date Jun 7, 2012
    • Tien LIN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    PNEUMATIC VANE MOTOR

    • Publication number 20110293457
    • Publication date Dec 1, 2011
    • ATLAS COPCO TOOLS AB
    • Hans Reinhold Svedman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE AIR MOTOR

    • Publication number 20110262289
    • Publication date Oct 27, 2011
    • Takashi Nakajoh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE AIR MOTOR

    • Publication number 20110262292
    • Publication date Oct 27, 2011
    • Takashi Nakajoh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary double engine

    • Publication number 20110083637
    • Publication date Apr 14, 2011
    • David H. Blount
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor and Method for Compressing Gaseous Fuel

    • Publication number 20110045416
    • Publication date Feb 24, 2011
    • Peter Kay
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY COMBUSTION ENGINE AND HYDRAULIC MOTOR

    • Publication number 20110017169
    • Publication date Jan 27, 2011
    • GREITTEK OY
    • Tapio Viitamaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY VANE ENGINES AND METHODS

    • Publication number 20100319654
    • Publication date Dec 23, 2010
    • Hans-Peter Messmer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY INTERNAL COMBUSTION ENGINE

    • Publication number 20100300400
    • Publication date Dec 2, 2010
    • Jose Fernando Bittencourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS

    • Publication number 20100236275
    • Publication date Sep 23, 2010
    • PANASONIC CORPORATION
    • Takeshi Ogata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary displacement steam engine

    • Publication number 20100154420
    • Publication date Jun 24, 2010
    • Yasushi Yamamoto
    • F22 - STEAM GENERATION
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    TWO-STAGE ROTARY EXPANDER, EXPANDER-COMPRESSOR UNIT, AND REFRIGERAT...

    • Publication number 20100043481
    • Publication date Feb 25, 2010
    • PANASONIC CORPORATION
    • Takeshi Ogata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Rotary stirling cycle machine

    • Publication number 20090313989
    • Publication date Dec 24, 2009
    • Lee E. Doss
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINES

    • Publication number 20090301436
    • Publication date Dec 10, 2009
    • Autoairdrives Ltd.
    • Roderick Blunt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PNEUMATIC MOTOR

    • Publication number 20090255399
    • Publication date Oct 15, 2009
    • Pei-Chin Hung
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PNEUMATIC TOOL HAVING A ROTOR WITH A WEAR-RESISTANT VANE SLOT

    • Publication number 20090209179
    • Publication date Aug 20, 2009
    • Donald H. Hutchins
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEVICE AND METHOD FOR EVACUATING STORAGE BAG

    • Publication number 20090173038
    • Publication date Jul 9, 2009
    • Alan F. Savicki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES