Valves for steam inlet or outlet

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve assembly

    • Patent number 11,629,789
    • Issue date Apr 18, 2023
    • Brian Lee Davis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Systems and methods for a piston engine including a recirculating s...

    • Patent number 11,549,370
    • Issue date Jan 10, 2023
    • Karl Peter Mulligan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Systems and methods for a piston engine including a recirculating s...

    • Patent number 10,975,697
    • Issue date Apr 13, 2021
    • Karl Peter Mulligan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High efficiency steam engine

    • Patent number 10,774,645
    • Issue date Sep 15, 2020
    • Thermal Power Recovery LLC
    • James V. Harmon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High efficiency steam engine having improved steam cutoff control

    • Patent number 10,550,737
    • Issue date Feb 4, 2020
    • Thermal Power Recovery LLC
    • James V. Harmon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary valve assembly having rotatable throttle and intake assemblies

    • Patent number 9,903,238
    • Issue date Feb 27, 2018
    • MICROSTEAM, INC.
    • Joshua A. Tolbert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High efficiency steam engine and steam expander

    • Patent number 9,828,886
    • Issue date Nov 28, 2017
    • Thermal Power Recovery, LLC
    • James V. Harmon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3747338

    • Patent number 3,747,338
    • Issue date Jul 24, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3030936

    • Patent number 3,030,936
    • Issue date Apr 24, 1962
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2692156

    • Patent number 2,692,156
    • Issue date Oct 19, 1954
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2544866

    • Patent number 2,544,866
    • Issue date Mar 13, 1951
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2515951

    • Patent number 2,515,951
    • Issue date Jul 18, 1950
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2443860

    • Patent number 2,443,860
    • Issue date Jun 22, 1948
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2401545

    • Patent number 2,401,545
    • Issue date Jun 4, 1946
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2202217

    • Patent number 2,202,217
    • Issue date May 28, 1940
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2198571

    • Patent number 2,198,571
    • Issue date Apr 23, 1940
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2122211

    • Patent number 2,122,211
    • Issue date Jun 28, 1938
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2033109

    • Patent number 2,033,109
    • Issue date Mar 10, 1936
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2010645

    • Patent number 2,010,645
    • Issue date Aug 6, 1935
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1993891

    • Patent number 1,993,891
    • Issue date Mar 12, 1935
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1976291

    • Patent number 1,976,291
    • Issue date Oct 9, 1934
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1974181

    • Patent number 1,974,181
    • Issue date Sep 18, 1934
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1938710

    • Patent number 1,938,710
    • Issue date Dec 12, 1933
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1905309

    • Patent number 1,905,309
    • Issue date Apr 25, 1933
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1824541

    • Patent number 1,824,541
    • Issue date Sep 22, 1931
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1753297

    • Patent number 1,753,297
    • Issue date Apr 8, 1930
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1738668

    • Patent number 1,738,668
    • Issue date Dec 10, 1929
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1727626

    • Patent number 1,727,626
    • Issue date Sep 10, 1929
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1707793

    • Patent number 1,707,793
    • Issue date Apr 2, 1929
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1703801

    • Patent number 1,703,801
    • Issue date Feb 26, 1929
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents