with cylindrical, sleeve, or part-annularly-shaped valves Such main valves combined with auxiliarly valves

Patents Grantslast 30 patents

  • Information Patent Grant

    Energy recovery system

    • Patent number 9,993,773
    • Issue date Jun 12, 2018
    • Ebara Corporation
    • Akira Goto
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Pulse-width-regulating valve

    • Patent number 9,909,674
    • Issue date Mar 6, 2018
    • Viking Heat Engines AS
    • Harald Nes Risla
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Closed-cycle plant

    • Patent number 9,759,097
    • Issue date Sep 12, 2017
    • Elettromeccanica Veneta S.R.L.
    • Gino Zampieri
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Slide valve

    • Patent number 4,683,914
    • Issue date Aug 4, 1987
    • Michael J. Brisland
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electrically operated valve assembly for controlling a piston and c...

    • Patent number 4,674,398
    • Issue date Jun 23, 1987
    • Tayco Developments, Inc.
    • Paul H. Taylor
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Apparatus to distribute a highly-pressurized fluid medium

    • Patent number 4,549,822
    • Issue date Oct 29, 1985
    • SMS Schloemann-Siemag, Inc.
    • Charles A. Crates
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electrically operated valve, piston and cylinder assembly incorpora...

    • Patent number 4,548,041
    • Issue date Oct 22, 1985
    • Tayco Developments, Inc.
    • Paul H. Taylor
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control valve

    • Patent number 4,287,906
    • Issue date Sep 8, 1981
    • Sprague Devices, Inc.
    • Charles J. Green
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Reciprocating engine with improved feed and exhaust valve means

    • Patent number 4,267,765
    • Issue date May 19, 1981
    • John H. Hedger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid supply distributor

    • Patent number 4,168,654
    • Issue date Sep 25, 1979
    • Logansport Machine Co., Inc.
    • John J. Wilson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fluid supply distributor

    • Patent number 4,040,338
    • Issue date Aug 9, 1977
    • Logansport Machine Co., Inc.
    • John J. Wilson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Steam engine

    • Patent number 3,995,531
    • Issue date Dec 7, 1976
    • Joseph Zibrun
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Uniflow steam engine

    • Patent number 3,967,535
    • Issue date Jul 6, 1976
    • Murry I. Rozansky
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3849033

    • Patent number 3,849,033
    • Issue date Nov 19, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3838946

    • Patent number 3,838,946
    • Issue date Oct 1, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3707881

    • Patent number 3,707,881
    • Issue date Jan 2, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3301196

    • Patent number 3,301,196
    • Issue date Jan 31, 1967
    • B30 - PRESSES
  • Information Patent Grant

    3027880

    • Patent number 3,027,880
    • Issue date Apr 3, 1962
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3013539

    • Patent number 3,013,539
    • Issue date Dec 19, 1961
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2766734

    • Patent number 2,766,734
    • Issue date Oct 16, 1956
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2720867

    • Patent number 2,720,867
    • Issue date Oct 18, 1955
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2679209

    • Patent number 2,679,209
    • Issue date May 25, 1954
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2667129

    • Patent number 2,667,129
    • Issue date Jan 26, 1954
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2641230

    • Patent number 2,641,230
    • Issue date Jun 9, 1953
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2440373

    • Patent number 2,440,373
    • Issue date Apr 27, 1948
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2392360

    • Patent number 2,392,360
    • Issue date Jan 8, 1946
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2365756

    • Patent number 2,365,756
    • Issue date Dec 26, 1944
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2358036

    • Patent number 2,358,036
    • Issue date Sep 12, 1944
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2272226

    • Patent number 2,272,226
    • Issue date Feb 10, 1942
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2191888

    • Patent number 2,191,888
    • Issue date Feb 27, 1940
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES