TREA

Piston or piston-rod used as valve members

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Industry

  • CPC
  • F01L21/02
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES F01L21/00Use of working pistons or pistons-rods as fluid-distributing valves or a valve-supporting elements

Current Industry

F01L21/02Piston or piston-rod used as valve members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Overspeed protection system and method
    • Patent number 11,053,861
    • Issue date Jul 6, 2021
    • General Electric Company
    • David Anthony Moster
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Systems and methods of compression ignition engines
    • Patent number 10,669,926
    • Issue date Jun 2, 2020
    • Nautilus Engineering, LLC
    • Matthew T. Riley
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    High efficiency steam engine and impact-free piston operated valves...
    • Patent number 10,273,840
    • Issue date Apr 30, 2019
    • Thermal Power Recovery LLC
    • James V. Harmon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Uniformly pressurized thermal energy recovery systems
    • Patent number 10,208,737
    • Issue date Feb 19, 2019
    • Walter B. Freeman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Free piston engine
    • Patent number 9,995,212
    • Issue date Jun 12, 2018
    • Aquarius Engines (A.M.) Ltd.
    • Shaul Yaakoby
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engines
    • Patent number 9,874,141
    • Issue date Jan 23, 2018
    • Cox Powertrain Ltd.
    • Christian Bucksey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Free-piston engine
    • Patent number 9,388,736
    • Issue date Jul 12, 2016
    • Waseda University
    • Ken Naitoh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Double-reed exhaust valve engine
    • Patent number 9,068,484
    • Issue date Jun 30, 2015
    • Lawrence Livermore National Security, LLC
    • Charles L. Bennett
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake system for a two-stroke internal combustion engine
    • Patent number 8,826,869
    • Issue date Sep 9, 2014
    • EcoMotors, Inc.
    • Peter Hofbauer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve and auxiliary exhaust system for high efficiency steam engine...
    • Patent number 7,536,943
    • Issue date May 26, 2009
    • Edward Pritchard
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Continuous reciprocating linear motion device
    • Patent number 7,162,944
    • Issue date Jan 16, 2007
    • Bret Allen Britz
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Gas driven mechanical oscillator and method
    • Patent number 6,247,332
    • Issue date Jun 19, 2001
    • Linear Energy Corporation Limited
    • Anthony Maurice Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method for absorbing the vibration of a free-piston engine and vibr...
    • Patent number 6,135,068
    • Issue date Oct 24, 2000
    • Sampower Oy
    • Matti Sampo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas driven mechanical oscillator and method
    • Patent number 6,067,796
    • Issue date May 30, 2000
    • Linear Energy Corporation Limited
    • Anthony Maurice Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas driven mechanical oscillator and method
    • Patent number 5,865,040
    • Issue date Feb 2, 1999
    • Linear Energy Corporation Limited
    • Anthony Maurice Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas driven mechanical oscillator and method
    • Patent number 5,765,374
    • Issue date Jun 16, 1998
    • Linear Energy Corporation Limited
    • Anthony Maurice Hansen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Diaphragm pump
    • Patent number 5,409,355
    • Issue date Apr 25, 1995
    • Gerard Brooke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sequentially operated cylinders with load holding valve integrated...
    • Patent number 5,355,769
    • Issue date Oct 18, 1994
    • Magna Pow'r, Inc.
    • Kevin D. Kottke
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Two-stroke cycle engine having linear gear drive
    • Patent number 5,233,949
    • Issue date Aug 10, 1993
    • Richard D. Rucker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-stroke cycle engine having linear gear drive
    • Patent number 5,158,046
    • Issue date Oct 27, 1992
    • Richard D. Rucker
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reciprocating air motor
    • Patent number 5,044,254
    • Issue date Sep 3, 1991
    • Coltene/Whaldent, Inc.
    • Alan N. Miller
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pneumatic type of reciprocating movement device
    • Patent number 4,945,815
    • Issue date Aug 7, 1990
    • Industrial Technology Research Institute
    • Shih-Dean Lo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    System for pumping an abrasive or corrosive fluid
    • Patent number 4,304,527
    • Issue date Dec 8, 1981
    • English Clays Lovering Pochin & Company Ltd.
    • Thomas J. Jewell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vibrationless pneumatic tools
    • Patent number 4,290,489
    • Issue date Sep 22, 1981
    • Charles Leavell
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reciprocating drive means
    • Patent number 4,284,038
    • Issue date Aug 18, 1981
    • Baron Hire Limited
    • Frank E. West
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Hydraulic oscillatory devices
    • Patent number 4,207,801
    • Issue date Jun 17, 1980
    • A. F. Hydraulics Limited
    • Lionel A. Reynolds
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Concrete strike-off vibrator
    • Patent number 4,191,093
    • Issue date Mar 4, 1980
    • Marshall F. Compton
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Fluid pressure actuator
    • Patent number 4,169,404
    • Issue date Oct 2, 1979
    • Hitachi, Ltd.
    • Akira Tsuchihashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Piston and cylinder for two-cycle engines
    • Patent number 4,135,479
    • Issue date Jan 23, 1979
    • Karl Schmidt GmbH
    • Johannes Reitz
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Control of hydraulically powered equipment
    • Patent number 4,082,032
    • Issue date Apr 4, 1978
    • Raymond International, Inc.
    • William J. Swenson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH EFFICIENCY STEAM ENGINE AND IMPACT-FREE PISTON OPERATED VALVES...
    • Publication number 20190128152
    • Publication date May 2, 2019
    • THERMAL POWER RECOVERY LLC
    • James V. Harmon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FREE PISTON ENGINE
    • Publication number 20170044975
    • Publication date Feb 16, 2017
    • Shaul YAAKOBY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FREE-PISTON ENGINE
    • Publication number 20140283791
    • Publication date Sep 25, 2014
    • Waseda University
    • Ken Naitoh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Double-Reed Exhaust Valve Engine
    • Publication number 20140251256
    • Publication date Sep 11, 2014
    • Charles L. Bennett
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Intake System for a Two-Stroke Internal Combustion Engine
    • Publication number 20120266851
    • Publication date Oct 25, 2012
    • EcoMotors International, Inc.
    • Peter Hofbauer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Continuous reciprocating linear motion device
    • Publication number 20060230917
    • Publication date Oct 19, 2006
    • Bret Allen Britz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve and auxiliary exhaust system for high efficiency steam engine...
    • Publication number 20060174613
    • Publication date Aug 10, 2006
    • Edward Pritchard
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES