TREA

with retroactive action

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  • CPC
  • F03B15/12
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F03Liquid processing machines F03BMACHINES OR ENGINES FOR LIQUIDS F03B15/00Controlling

Current Industry

F03B15/12with retroactive action
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydroelectric power generation system
    • Patent number 11,703,028
    • Issue date Jul 18, 2023
    • Daikin Industries, Ltd.
    • Atsushi Suhara
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Voltage converter-controlled damless hydrokinetic river turbines
    • Patent number 11,111,898
    • Issue date Sep 7, 2021
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    River and tidal turbine with power control
    • Patent number 10,982,645
    • Issue date Apr 20, 2021
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Expandable power marine hydrokinetic turbines, pumps, compressors a...
    • Patent number 10,947,956
    • Issue date Mar 16, 2021
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Concentric wing turbines
    • Patent number 10,815,968
    • Issue date Oct 27, 2020
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Commutator-less and brush-less direct current generator and applica...
    • Patent number 10,378,506
    • Issue date Aug 13, 2019
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stepwise operating parallel type small hydro power generation syste...
    • Patent number 10,233,895
    • Issue date Mar 19, 2019
    • KEUNNAMU CO., LTD.
    • Ok Kyu Yeo
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Renewable energy marine hydrokinetic or wind turbine
    • Patent number 9,912,209
    • Issue date Mar 6, 2018
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Adjustable assembly of rotor and stator and applications thereof wi...
    • Patent number 9,490,736
    • Issue date Nov 8, 2016
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Marine hydrokinetic turbine
    • Patent number 9,476,401
    • Issue date Oct 25, 2016
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Run-of-the-river or ocean current turbine
    • Patent number 9,151,269
    • Issue date Oct 6, 2015
    • Differential Dynamics Corporation
    • Kyung Soo Han
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method and apparatus for optimizing performance of a kaplan turbine
    • Patent number 5,754,446
    • Issue date May 19, 1998
    • Voith Hydro, Inc.
    • Richard K. Fisher
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method for optimizing the efficiency of a set of machines comprisin...
    • Patent number 5,402,332
    • Issue date Mar 28, 1995
    • J. M. Voith GmbH
    • Eberhard Kopf
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method of controlling operation of multistage hydraulic machines
    • Patent number 4,502,831
    • Issue date Mar 5, 1985
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Shinsaku Sato
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method and apparatus for control of a turbine generator
    • Patent number 4,496,845
    • Issue date Jan 29, 1985
    • Cla-Val Co.
    • Harold W. Ensign
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Apparatus for controlling operation of hydraulic machine
    • Patent number 4,487,549
    • Issue date Dec 11, 1984
    • Hitachi, Ltd.
    • Tsunehiko Takakusagi
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Apparatus for controlling the operation of a water turbine or a pum...
    • Patent number 4,475,865
    • Issue date Oct 9, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Kaneo Sugishita
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Method of controlling pump turbine
    • Patent number 4,354,800
    • Issue date Oct 19, 1982
    • Hitachi, Ltd.
    • Takao Kuwabara
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3597107
    • Patent number 3,597,107
    • Issue date Aug 3, 1971
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    3556668
    • Patent number 3,556,668
    • Issue date Jan 19, 1971
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2938527
    • Patent number 2,938,527
    • Issue date May 31, 1960
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2681660
    • Patent number 2,681,660
    • Issue date Jun 22, 1954
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2514930
    • Patent number 2,514,930
    • Issue date Jul 11, 1950
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2336450
    • Patent number 2,336,450
    • Issue date Dec 7, 1943
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2331507
    • Patent number 2,331,507
    • Issue date Oct 12, 1943
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2310994
    • Patent number 2,310,994
    • Issue date Feb 16, 1943
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2283127
    • Patent number 2,283,127
    • Issue date May 12, 1942
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2227417
    • Patent number 2,227,417
    • Issue date Dec 31, 1940
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2209987
    • Patent number 2,209,987
    • Issue date Aug 6, 1940
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    2056866
    • Patent number 2,056,866
    • Issue date Oct 6, 1936
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents