TREA

having piston-rod of one piston passed through other piston

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  • CPC
  • F01B7/10
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE F01B7/00Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Current Industry

F01B7/10having piston-rod of one piston passed through other piston
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engines
    • Patent number 8,499,726
    • Issue date Aug 6, 2013
    • Cox Powertrain Ltd.
    • David Cox
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Power converter according to the principle of the hot-air engine
    • Patent number 5,983,636
    • Issue date Nov 16, 1999
    • Ecker Maschinenbau GmbH
    • Stig G. Carlqvist
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic-pneumatic motor
    • Patent number 5,819,533
    • Issue date Oct 13, 1998
    • Raymond J. Moonen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic-pneumatic motor
    • Patent number 5,819,635
    • Issue date Oct 13, 1998
    • Raymond J. Moonen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion rotary piston engine
    • Patent number 5,441,018
    • Issue date Aug 15, 1995
    • Mansour Almassi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Low-impact air cylinder
    • Patent number 5,191,825
    • Issue date Mar 9, 1993
    • Doben Limited
    • David M. Beneteau
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wear reduction member for engine
    • Patent number 4,854,740
    • Issue date Aug 8, 1989
    • Ping Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Conformable bladder engine
    • Patent number 4,823,745
    • Issue date Apr 25, 1989
    • Ping Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    "O"-Type engine construction
    • Patent number 4,802,449
    • Issue date Feb 7, 1989
    • Ping Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Collapsible wall engine
    • Patent number 4,800,858
    • Issue date Jan 31, 1989
    • Ping Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Collapsible wall engine
    • Patent number 4,651,690
    • Issue date Mar 24, 1987
    • Ping Yang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid operated apparatus
    • Patent number 4,205,594
    • Issue date Jun 3, 1980
    • Martin F. Burke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2213816
    • Patent number 2,213,816
    • Issue date Sep 3, 1940
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2213817
    • Patent number 2,213,817
    • Issue date Sep 3, 1940
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    INTERNAL COMBUSTION ENGINES
    • Publication number 20100192923
    • Publication date Aug 5, 2010
    • COX POWERTRAIN LTD
    • David Cox
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES