Slide valve-gear or valve arrangements with cylindrical, sleeve, or part annularly-shaped valves surrounding working cylinder or piston

Patents Grantslast 30 patents

  • 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

    Pneumatic drive

    • Patent number 9,322,270
    • Issue date Apr 26, 2016
    • INNOMOTIX GMBH
    • Florian Baumgartner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Automatic reciprocator with manifold and sleeve valve

    • Patent number 4,889,034
    • Issue date Dec 26, 1989
    • Royce H. Husted
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Radial wave pump

    • Patent number 4,386,889
    • Issue date Jun 7, 1983
    • James B. Tichy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic impactor

    • Patent number 4,363,258
    • Issue date Dec 14, 1982
    • Joy Manufacturing Company
    • John Duff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hammer

    • Patent number 4,344,353
    • Issue date Aug 17, 1982
    • Joy Manufacturing Company
    • John Duff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reversing valve assembly for a fluid operated well pump

    • Patent number 4,293,287
    • Issue date Oct 6, 1981
    • Dresser Industries, Inc.
    • Donald E. Carrens
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Expansible chamber device

    • Patent number 4,274,327
    • Issue date Jun 23, 1981
    • Orin J. Olsgaard
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Sliding valve pump

    • Patent number 4,221,551
    • Issue date Sep 9, 1980
    • Clement L. Rupert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reciprocating engine with improved power output means

    • Patent number 4,213,377
    • Issue date Jul 22, 1980
    • John H. Hedger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Drop hammers

    • Patent number 4,100,977
    • Issue date Jul 18, 1978
    • BSP International Foundations Limited
    • Roger Michael Elliott
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Hammer having fluid biased work member

    • Patent number 4,089,380
    • Issue date May 16, 1978
    • Joy Manufacturing Company
    • George A. Hibbard
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulically driven striking device

    • Patent number 4,084,486
    • Issue date Apr 18, 1978
    • Linden-Alimak AB
    • Vaino Esko Juvonen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Fluid operable hammer

    • Patent number 4,062,268
    • Issue date Dec 13, 1977
    • Joy Manufacturing Company
    • George A. Hibbard
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulically powered impact device

    • Patent number 4,018,135
    • Issue date Apr 19, 1977
    • Construction Technology, Inc.
    • Raymond E. Lance
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hammer

    • Patent number 4,012,909
    • Issue date Mar 22, 1977
    • George A. Hibbard
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydroacoustic apparatus and valving mechanisms for use therein

    • Patent number 4,005,637
    • Issue date Feb 1, 1977
    • Hydroacoustics Inc.
    • John V. Bouyoucos
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3552268

    • Patent number 3,552,268
    • Issue date Jan 5, 1971
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3533429

    • Patent number 3,533,429
    • Issue date Oct 13, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2398229

    • Patent number 2,398,229
    • Issue date Apr 9, 1946
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2393558

    • Patent number 2,393,558
    • Issue date Jan 22, 1946
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2209655

    • Patent number 2,209,655
    • Issue date Jul 30, 1940
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1328484

    • Patent number 1,328,484
    • Issue date Jan 20, 1920
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    PNEUMATIC DRIVE

    • Publication number 20130152776
    • Publication date Jun 20, 2013
    • INNOMOTIX GmbH
    • Florian Baumgartner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL