Reciprocating piston seals

Patents Grantslast 30 patents

  • Information Patent Grant

    Reciprocating heat engine with hot cylinder head and cold cylinder

    • Patent number 12,000,357
    • Issue date Jun 4, 2024
    • Vianney Rabhi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reinforced sealing rings

    • Patent number 11,746,904
    • Issue date Sep 5, 2023
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reinforced sealing rings

    • Patent number 11,193,588
    • Issue date Dec 7, 2021
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reinforced sealing rings

    • Patent number 10,731,759
    • Issue date Aug 4, 2020
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stirling machine

    • Patent number 9,109,533
    • Issue date Aug 18, 2015
    • Jean-Pierre Budliger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Axial loaded seal system with a static L-seal

    • Patent number 7,024,866
    • Issue date Apr 11, 2006
    • Helix Technology Corporation
    • Russell M. Sylvia
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Valve device of engine

    • Patent number 6,736,090
    • Issue date May 18, 2004
    • Masaharu Ichikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method and apparatus for diminishing the consumption of fuel and co...

    • Patent number 6,487,858
    • Issue date Dec 3, 2002
    • Charles H. Cammack
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Heat engine heater head assembly

    • Patent number 6,282,895
    • Issue date Sep 4, 2001
    • STM Power, Inc.
    • Lennart N. Johansson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling cycle machine

    • Patent number 6,205,782
    • Issue date Mar 27, 2001
    • Sustainable Engine Systems Ltd.
    • Richard Furneaux Kinnersly
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling machine with heat exchanger having fin structure

    • Patent number 6,161,389
    • Issue date Dec 19, 2000
    • Sanyo Electric Co., Ltd.
    • Hiroshi Sekiya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electro-chemical-thermal rechargeable energy storage cell (ECT cell)

    • Patent number 6,093,504
    • Issue date Jul 25, 2000
    • Wayne Thomas Bliesner
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat engine rod seal system

    • Patent number 5,938,207
    • Issue date Aug 17, 1999
    • STM Corporation
    • Nicholas R. Marchionna
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston assembly for stirling engine

    • Patent number 5,865,091
    • Issue date Feb 2, 1999
    • STM, Corporation
    • Christopher E. Domanski
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electric swashplate actuator for stirling engine

    • Patent number 5,836,846
    • Issue date Nov 17, 1998
    • Stirling Thermal Motors, Inc.
    • Lubomyr O. Hewko
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hot gas machine

    • Patent number 5,400,599
    • Issue date Mar 28, 1995
    • Sanyo Electric Co., Ltd.
    • Hiroshi Sekiya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Stirling engine

    • Patent number 5,388,410
    • Issue date Feb 14, 1995
    • Aisin Seiki Kabushiki Kaisha
    • Yutaka Momose
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling type cylinder force amplifier

    • Patent number 5,095,699
    • Issue date Mar 17, 1992
    • International Business Machines Corporation
    • Edmund D. Blackshear
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling free piston cryocoolers

    • Patent number 5,022,229
    • Issue date Jun 11, 1991
    • Mechanical Technology Incorporated
    • Nicholas G. Vitale
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat engine

    • Patent number 5,010,852
    • Issue date Apr 30, 1991
    • Milorad S. Milisavljevic
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Regenerative internal combustion engine

    • Patent number 4,928,658
    • Issue date May 29, 1990
    • Allan J. Ferrenberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cryogenic refrigerator

    • Patent number 4,877,434
    • Issue date Oct 31, 1989
    • Cryodynamics, Inc.
    • Stephen F. Malaker
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Sliding surface lubrication particularly advantageous for a free pi...

    • Patent number 4,802,332
    • Issue date Feb 7, 1989
    • Sunpower, Inc.
    • William T. Beale
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Regenerative internal combustion engine

    • Patent number 4,790,284
    • Issue date Dec 13, 1988
    • Regenic Corporation
    • Allan J. Ferrenberg
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling engine

    • Patent number 4,760,698
    • Issue date Aug 2, 1988
    • Comitato Nazionale per la Ricerca e per lo Sviluppo del' Energia Nuclere e De...
    • Carlo M. Bartolini
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal mechanism for a Stirling engine

    • Patent number 4,736,586
    • Issue date Apr 12, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiko Kawajiri
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Apparatus for preventing the rise of oil in a stirling engine

    • Patent number 4,711,091
    • Issue date Dec 8, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiko Kawajiri
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Polymerization process for polyester

    • Patent number 4,687,811
    • Issue date Aug 18, 1987
    • Mitsubishi Rayon Co., Ltd.
    • Isao Sasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stirling engine with improved sealing piston ring assembly

    • Patent number 4,669,736
    • Issue date Jun 2, 1987
    • Stirling Thermal Motors, Inc.
    • Roelf J. Meijer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stirling engine

    • Patent number 4,667,474
    • Issue date May 26, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshihide Koda
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MOTEUR THERMIQUE ALTERNATIF A CULASSE CHAUDE ET CYLINDRE FROID

    • Publication number 20230304456
    • Publication date Sep 28, 2023
    • Vianney Rabhi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    REINFORCED SEALING RINGS

    • Publication number 20220074493
    • Publication date Mar 10, 2022
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    REINFORCED SEALING RINGS

    • Publication number 20200362966
    • Publication date Nov 19, 2020
    • Mainspring Energy, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REINFORCED SEALING RINGS

    • Publication number 20190049012
    • Publication date Feb 14, 2019
    • EtaGen, Inc.
    • Matt Svrcek
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Stirling Machine

    • Publication number 20130031899
    • Publication date Feb 7, 2013
    • Jean-Pierre Budliger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON ENGINE AND STIRLING ENGINE

    • Publication number 20100257858
    • Publication date Oct 14, 2010
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Hiroshi Yaguchi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Piston and piston apparatus

    • Publication number 20060283417
    • Publication date Dec 21, 2006
    • Toyota Jidosha Kabushiki Kaisha
    • Hiroshi Yaguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Axial loaded seal system with a static L-seal

    • Publication number 20050126186
    • Publication date Jun 16, 2005
    • Helix Technology Corporation
    • Russell M. Sylvia
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Piston ring improvements for a stirling engine

    • Publication number 20030024387
    • Publication date Feb 6, 2003
    • Christopher C. Langenfeld
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method and apparatus for diminishing the consumption of fuel and co...

    • Publication number 20020035834
    • Publication date Mar 28, 2002
    • Charles H. Cammack
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS