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David E. Earhart

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  • Brownsburg, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,808,807
    • Issue date Oct 20, 2020
    • Allison Transmission, Inc.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,704,655
    • Issue date Jul 7, 2020
    • Allison Transmission, Inc.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,473,190
    • Issue date Nov 12, 2019
    • Allison Transmission, Inc.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,323,723
    • Issue date Jun 18, 2019
    • Allison Transmission, Inc.
    • David E. Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,234,001
    • Issue date Mar 19, 2019
    • Allison Transmission, Inc.
    • David E. Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 10,161,484
    • Issue date Dec 25, 2018
    • Allison Transmission, Inc.
    • Eric S. Tryon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed planetary transmission
    • Patent number 9,927,008
    • Issue date Mar 27, 2018
    • Allison Transmission, Inc.
    • Douglas S. Burchett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Input clutch assembly for infinitely variable transmission
    • Patent number 9,746,060
    • Issue date Aug 29, 2017
    • Allison Transmission, Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Input clutch assembly for infinitely variable transmission
    • Patent number 9,664,269
    • Issue date May 30, 2017
    • Allison Transmissions, Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Input clutch assembly for infinitely variable transmission
    • Patent number 9,382,987
    • Issue date Jul 5, 2016
    • Allison Transmission, Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Input clutch assembly for infinitely variable transmission
    • Patent number 9,109,663
    • Issue date Aug 18, 2015
    • Allison Transmission, Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Split-pressure dual pump hydraulic fluid supply system for a multi-...
    • Patent number 8,128,377
    • Issue date Mar 6, 2012
    • GM Global Technology Operations LLC
    • David E. Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed transmission
    • Patent number 8,038,564
    • Issue date Oct 18, 2011
    • GM Global Technology Operations LLC
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed transmission
    • Patent number 7,896,770
    • Issue date Mar 1, 2011
    • GM Global Technology Operations LLC
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed split dual clutch transmission
    • Patent number 7,846,055
    • Issue date Dec 7, 2010
    • GM Global Technology Operations, Inc.
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed split dual clutch transmission
    • Patent number 7,837,589
    • Issue date Nov 23, 2010
    • GM Global Technology Operations, Inc.
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed split dual clutch transmission
    • Patent number 7,798,931
    • Issue date Sep 21, 2010
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-speed countershaft transmission with a planetary gear set and...
    • Patent number 7,604,561
    • Issue date Oct 20, 2009
    • GM Global Technology Operations, Inc.
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20190390747
    • Publication date Dec 26, 2019
    • ALLISON TRANSMISSION, INC.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20190390746
    • Publication date Dec 26, 2019
    • ALLISON TRANSMISSION, INC.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20180087614
    • Publication date Mar 29, 2018
    • ALLISON TRANSMISSION, INC.
    • Douglas S. Burchett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20180087624
    • Publication date Mar 29, 2018
    • ALLISON TRANSMISSION, INC.
    • Brian Schoolcraft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20180087607
    • Publication date Mar 29, 2018
    • ALLISON TRANSMISSION, INC.
    • Eric S. Tryon
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20180087613
    • Publication date Mar 29, 2018
    • ALLISON TRANSMISSION, INC.
    • David E. Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED PLANETARY TRANSMISSION
    • Publication number 20180087619
    • Publication date Mar 29, 2018
    • ALLISON TRANSMISSION, INC.
    • David E. Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INPUT CLUTCH ASSEMBLY FOR INFINITELY VARIABLE TRANSMISSION
    • Publication number 20160109007
    • Publication date Apr 21, 2016
    • ALLISON TRANSMISSION, INC.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Input Clutch Assembly for Infinitely Variable Transmission
    • Publication number 20150240925
    • Publication date Aug 27, 2015
    • Allison Transmission Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Input Clutch Assembly For Infinitely Variable Transmission
    • Publication number 20130316869
    • Publication date Nov 28, 2013
    • Allison Transmission Inc.
    • Glen S. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Input Clutch Assembly For Infinitely Variable Transmission
    • Publication number 20120122624
    • Publication date May 17, 2012
    • Glen S. Hawkins, JR.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED TRANSMISSION
    • Publication number 20110118074
    • Publication date May 19, 2011
    • GM Global Technology Operations, Inc.
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED SPLIT DUAL CLUTCH TRANSMISSION
    • Publication number 20090203484
    • Publication date Aug 13, 2009
    • GENERAL MOTORS CORPORATION
    • DAVID EARL EARHART
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED SPLIT DUAL CLUTCH TRANSMISSION
    • Publication number 20090203482
    • Publication date Aug 13, 2009
    • GENERAL MOTORS CORPORATION
    • DAVID EARL EARHART
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED SPLIT DUAL CLUTCH TRANSMISSION
    • Publication number 20090203483
    • Publication date Aug 13, 2009
    • GENERAL MOTORS CORPORATION
    • DAVID EARL EARHART
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MULTI-SPEED TRANSMISSION
    • Publication number 20090036247
    • Publication date Feb 5, 2009
    • David Earl Earhart
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Split-Pressure Dual Pump Hydraulic Fluid Supply System for a Multi-...
    • Publication number 20080247882
    • Publication date Oct 9, 2008
    • GENERAL MOTORS CORPORATION
    • David Earl Earhart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-SPEED COUNTERSHAFT TRANSMISSION WITH A PLANETARY GEAR SET AND...
    • Publication number 20080182700
    • Publication date Jul 31, 2008
    • GM Global Technology Operations, Inc.
    • DAVID EARL EARHART
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...