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one side of the double-acting piston being always under the influence of the liquid under pressure

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  • F03C1/0073
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F03Liquid processing machines F03CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS F03C1/00Reciprocating-piston liquid engines

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F03C1/0073one side of the double-acting piston being always under the influence of the liquid under pressure
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal energy storage system including a plurality of vessels each...
    • Patent number 12,000,369
    • Issue date Jun 4, 2024
    • NORWICH TECHNOLOGIES, INC.
    • Jonathan Lynch
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Thermal energy storage system including a vessel having hot and col...
    • Patent number 11,578,693
    • Issue date Feb 14, 2023
    • NORWICH TECHNOLOGIES, INC.
    • Troy McBride
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Side inflow and side outflow hydraulic pump
    • Patent number 10,746,203
    • Issue date Aug 18, 2020
    • Mark F. Pelini
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Reversible hydraulic pressure converter employing tubular valves
    • Patent number 9,695,840
    • Issue date Jul 4, 2017
    • Vianney Rabhi
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Piston pump and motor
    • Patent number 9,599,128
    • Issue date Mar 21, 2017
    • TherMass Innovations B.V.
    • Titus Bartholomeus
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic engine
    • Patent number 6,065,945
    • Issue date May 23, 2000
    • Charles W. Zamzow
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Differential-area piston type mixed-phase motors
    • Patent number 4,945,725
    • Issue date Aug 7, 1990
    • Recovery Engineering, Inc.
    • David E. Carmein
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hydrualic pressure amplifier
    • Patent number 4,659,294
    • Issue date Apr 21, 1987
    • Eimco Secoma, Societe Anonyme
    • Jean-Claude S. Barthomeuf
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic cylinder and piston with automatic reciprocation valve
    • Patent number 4,383,475
    • Issue date May 17, 1983
    • Graco Inc.
    • Vernon K. Quarve
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oscillator actuated hydraulic impulse device
    • Patent number 4,342,255
    • Issue date Aug 3, 1982
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Takeo Watanabe
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Variable ratio intensifier
    • Patent number 4,233,000
    • Issue date Nov 11, 1980
    • Halliburton Company
    • Bruce M. Cox
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Reciprocating hydraulic motors
    • Patent number 4,161,989
    • Issue date Jul 24, 1979
    • Compair Construction and Mining Limited
    • Antony D. Barber
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary and percussive devices
    • Patent number 4,103,746
    • Issue date Aug 1, 1978
    • A. F. Hydraulics Limited
    • Lionel Arthur Reynolds
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic striking apparatus
    • Patent number 4,028,995
    • Issue date Jun 14, 1977
    • Oy Tampella AB
    • Pekka Salmi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulically driven hammer system
    • Patent number 4,026,193
    • Issue date May 31, 1977
    • Raymond International Inc.
    • Peter B. Olmsted
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Hydraulically operated percussion device
    • Patent number 4,022,108
    • Issue date May 10, 1977
    • Linden-Alimak AB
    • Vaino Esko Juvonen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulically operable linear motor
    • Patent number 4,020,746
    • Issue date May 3, 1977
    • Fried. Krupp Gesellschaft mit beschrankter Haftung
    • Friedrich Karl Arndt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic operated rock drilling apparatus
    • Patent number 4,006,783
    • Issue date Feb 8, 1977
    • Linden-Alimak AB
    • Sven Granholm
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number 3,991,655
    • Issue date Nov 16, 1976
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number 3,969,984
    • Issue date Jul 20, 1976
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein
    • Patent number 3,969,987
    • Issue date Jul 20, 1976
    • Hydroacoustics Inc.
    • Boyd A. Wise
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Control system for hydraulic presses comprising a plurality of pres...
    • Patent number 3,945,206
    • Issue date Mar 23, 1976
    • Ruthner Industrieanlagen-Aktiengesellschaft
    • Alfred Walter Joachim Krause
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3911789
    • Patent number 3,911,789
    • Issue date Oct 14, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3887019
    • Patent number 3,887,019
    • Issue date Jun 3, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3737254
    • Patent number 3,737,254
    • Issue date Jun 5, 1973
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3691907
    • Patent number 3,691,907
    • Issue date Sep 19, 1972
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3552269
    • Patent number 3,552,269
    • Issue date Jan 5, 1971
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3192717
    • Patent number 3,192,717
    • Issue date Jul 6, 1965
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3186169
    • Patent number 3,186,169
    • Issue date Jun 1, 1965
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3130644
    • Patent number 3,130,644
    • Issue date Apr 28, 1964
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents