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David J. Keener

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  • Tulsa, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    RV waste tank control system
    • Patent number 11,220,243
    • Issue date Jan 11, 2022
    • Jimmy Bell
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Credit card skimmer detector
    • Patent number 10,572,698
    • Issue date Feb 25, 2020
    • Zephyrus Electronics, Ltd.
    • David James Keener
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Broadcast method and system
    • Patent number 10,218,931
    • Issue date Feb 26, 2019
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless remote control system for a vacuum material handler
    • Patent number 10,163,334
    • Issue date Dec 25, 2018
    • Vacuworx Global, LLC
    • Cory Capps
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Broadcast method and system
    • Patent number 9,866,781
    • Issue date Jan 9, 2018
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Broadcast method and system
    • Patent number 9,654,237
    • Issue date May 16, 2017
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Broadcast method and system
    • Patent number 8,823,878
    • Issue date Sep 2, 2014
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Broadcast transmission relay circuit
    • Patent number 8,009,236
    • Issue date Aug 30, 2011
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Broadcast method and system
    • Patent number 7,995,151
    • Issue date Aug 9, 2011
    • Level 3 Communications, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    WIRELESS REMOTE CONTROL METHOD FOR A VACUUM MATERIAL HANDLER
    • Publication number 20190236933
    • Publication date Aug 1, 2019
    • Vacuworx Global, LLC
    • Cory Capps
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    BROADCAST METHOD AND SYSTEM
    • Publication number 20180131890
    • Publication date May 10, 2018
    • LEVEL 3 COMMUNICATIONS, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BROADCAST METHOD AND SYSTEM
    • Publication number 20170104950
    • Publication date Apr 13, 2017
    • LEVEL 3 COMMUNICATIONS, LLC
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BROADCAST METHOD AND SYSTEM
    • Publication number 20110310251
    • Publication date Dec 22, 2011
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BROADCAST METHOD AND SYSTEM
    • Publication number 20110292281
    • Publication date Dec 1, 2011
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Broadcast method and system
    • Publication number 20080102750
    • Publication date May 1, 2008
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Broadcast transmission relay circuit
    • Publication number 20080104650
    • Publication date May 1, 2008
    • David J. Keener
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE