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David R. Hennessy

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transmission system with planetary gearing operable in forward and...
    • Patent number 11,795,862
    • Issue date Oct 24, 2023
    • Horton, Inc.
    • David R. Hennessy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Accessible clutch attachment assembly and method
    • Patent number 11,459,933
    • Issue date Oct 4, 2022
    • Horton, Inc.
    • Benjamin Larson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump and wiper assembly, associated viscous clutch and associated m...
    • Patent number 11,441,621
    • Issue date Sep 13, 2022
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft output viscous clutch
    • Patent number 11,333,207
    • Issue date May 17, 2022
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Energy harvesting clutch control assembly, valve assembly, and elec...
    • Patent number 11,260,739
    • Issue date Mar 1, 2022
    • Horton, Inc.
    • David R. Hennessy
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Viscous clutch and method of operation
    • Patent number 10,941,819
    • Issue date Mar 9, 2021
    • Horton, Inc.
    • David R. Hennessy
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Viscous clutch fluid capture system
    • Patent number 10,612,605
    • Issue date Apr 7, 2020
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous clutch and associated electromagnetic coil
    • Patent number 10,612,606
    • Issue date Apr 7, 2020
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous clutch fluid capture system
    • Patent number 10,578,172
    • Issue date Mar 3, 2020
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Modular viscous clutch
    • Patent number 10,557,508
    • Issue date Feb 11, 2020
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fan blade surface features
    • Patent number 10,539,157
    • Issue date Jan 21, 2020
    • Horton, Inc.
    • Hugh Schilling
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Heat exchanger blower system
    • Patent number 10,082,350
    • Issue date Sep 25, 2018
    • Horton, Inc.
    • Stephen Anthony Stone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger blower method
    • Patent number 9,568,260
    • Issue date Feb 14, 2017
    • Horton, Inc.
    • Stephen Anthony Stone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Integrated viscous clutch
    • Patent number 8,887,888
    • Issue date Nov 18, 2014
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous clutch with eddy current reduction
    • Patent number 8,100,241
    • Issue date Jan 24, 2012
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous clutch
    • Patent number 7,946,400
    • Issue date May 24, 2011
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Viscous clutch
    • Patent number 7,938,240
    • Issue date May 10, 2011
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electromagnetically actuated viscous clutch
    • Patent number 7,854,307
    • Issue date Dec 21, 2010
    • Horton, Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Integrated fan assembly with variable pitch blades
    • Patent number 6,109,871
    • Issue date Aug 29, 2000
    • Horton, Inc.
    • Chris Nelson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Locking apparatus for a keyed connection
    • Patent number 5,624,016
    • Issue date Apr 29, 1997
    • Horton, Inc.
    • Tonya L. Coulter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotational control apparatus
    • Patent number 5,586,635
    • Issue date Dec 24, 1996
    • Horton, Inc.
    • Chris Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary fluid displacement apparatus
    • Patent number 5,405,254
    • Issue date Apr 11, 1995
    • Horton Manufacturing Co., Inc.
    • David R. Hennessy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Torque and/or rotational control apparatus
    • Patent number 5,242,036
    • Issue date Sep 7, 1993
    • Horton Manufacturing Co., Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Force balanced hydraulic spool valve
    • Patent number 4,941,508
    • Issue date Jul 17, 1990
    • Dana Corporation
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    TRANSMISSION SYSTEM WITH PLANETARY GEARING OPERABLE IN FORWARD AND...
    • Publication number 20220268198
    • Publication date Aug 25, 2022
    • HORTON, INC.
    • David R. Hennessy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ACCESSIBLE CLUTCH ATTACHMENT ASSEMBLY AND METHOD
    • Publication number 20220099015
    • Publication date Mar 31, 2022
    • HORTON, INC.
    • Benjamin Larson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PUMP AND WIPER ASSEMBLY, ASSOCIATED VISCOUS CLUTCH AND ASSOCIATED M...
    • Publication number 20220074453
    • Publication date Mar 10, 2022
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SHAFT OUTPUT VISCOUS CLUTCH
    • Publication number 20210301884
    • Publication date Sep 30, 2021
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ENERGY HARVESTING CLUTCH CONTROL ASSEMBLY, VALVE ASSEMBLY, AND ELEC...
    • Publication number 20210138888
    • Publication date May 13, 2021
    • HORTON, INC.
    • David R. Hennessy
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MODULAR VISCOUS CLUTCH
    • Publication number 20190219108
    • Publication date Jul 18, 2019
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VISCOUS CLUTCH AND ASSOCIATED ELECTROMAGNETIC COIL
    • Publication number 20190178310
    • Publication date Jun 13, 2019
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Viscous Clutch and Method of Operation
    • Publication number 20190107158
    • Publication date Apr 11, 2019
    • HORTON, INC.
    • David R. Hennessy
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VISCOUS CLUTCH FLUID CAPTURE SYSTEM
    • Publication number 20180355925
    • Publication date Dec 13, 2018
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FAN BLADE SURFACE FEATURES
    • Publication number 20180283403
    • Publication date Oct 4, 2018
    • HORTON, INC.
    • Hugh Schilling
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VISCOUS CLUTCH FLUID CAPTURE SYSTEM
    • Publication number 20180274602
    • Publication date Sep 27, 2018
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FAN BLADE SURFACE FEATURES
    • Publication number 20180030996
    • Publication date Feb 1, 2018
    • HORTON, INC.
    • Hugh Schilling
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HEAT EXCHANGER BLOWER SYSTEM
    • Publication number 20170108299
    • Publication date Apr 20, 2017
    • HORTON, INC.
    • Stephen Anthony Stone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT EXCHANGER BLOWER SYSTEM AND ASSOCIATED METHOD
    • Publication number 20150153122
    • Publication date Jun 4, 2015
    • HORTON, INC.
    • Stephen Anthony Stone
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    INTEGRATED VISCOUS CLUTCH
    • Publication number 20120279820
    • Publication date Nov 8, 2012
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VISCOUS CLUTCH WITH EDDY CURRENT REDUCTION
    • Publication number 20110209962
    • Publication date Sep 1, 2011
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Viscous Clutch
    • Publication number 20100140040
    • Publication date Jun 10, 2010
    • Horton ,Inc.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Viscous Clutch
    • Publication number 20090101463
    • Publication date Apr 23, 2009
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electromagnetically Actuated Viscous Clutch
    • Publication number 20090084650
    • Publication date Apr 2, 2009
    • HORTON, INC.
    • David R. Hennessy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...