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Donald Hoffend

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  • Lorton, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 11,511,978
    • Issue date Nov 29, 2022
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Compact hoist accessories and combination systems
    • Patent number 11,319,198
    • Issue date May 3, 2022
    • Electronic Theatre Controls, Inc.
    • Donald Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Compact hoist system
    • Patent number 11,111,117
    • Issue date Sep 7, 2021
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 10,968,085
    • Issue date Apr 6, 2021
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 10,799,809
    • Issue date Oct 13, 2020
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lift assembly with load cells
    • Patent number 10,544,018
    • Issue date Jan 28, 2020
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Compact hoist accessories and combination systems
    • Patent number 10,399,832
    • Issue date Sep 3, 2019
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 10,328,358
    • Issue date Jun 25, 2019
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 10,227,221
    • Issue date Mar 12, 2019
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Compact hoist system
    • Patent number 10,183,850
    • Issue date Jan 22, 2019
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Compact hoist system
    • Patent number 9,962,621
    • Issue date May 8, 2018
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Loft block with aligned sheaves
    • Patent number 9,962,620
    • Issue date May 8, 2018
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Lift assembly with load cells
    • Patent number 9,908,755
    • Issue date Mar 6, 2018
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Compact hoist system
    • Patent number 9,700,810
    • Issue date Jul 11, 2017
    • Donald Aloysius Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 9,493,328
    • Issue date Nov 15, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Nested lift assemblies
    • Patent number 9,340,396
    • Issue date May 17, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 9,309,094
    • Issue date Apr 12, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly with tapered drums
    • Patent number 9,260,279
    • Issue date Feb 16, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Loft block with aligned sheaves
    • Patent number 9,242,186
    • Issue date Jan 26, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 9,061,869
    • Issue date Jun 23, 2015
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Modular lift assembly
    • Patent number 8,789,814
    • Issue date Jul 29, 2014
    • Daktronics Hoist, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Lift assembly systems and methods
    • Patent number 8,613,428
    • Issue date Dec 24, 2013
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Modular lift assembly
    • Patent number 6,691,986
    • Issue date Feb 17, 2004
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Modular lift assembly
    • Patent number 6,634,622
    • Issue date Oct 21, 2003
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Amusement ride having pivotable ingress-egress bridges
    • Patent number 5,161,104
    • Issue date Nov 3, 1992
    • The Walt Disney Company
    • Richard J. Fox
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    System and method of providing passenger ingress and egress in an a...
    • Patent number 5,021,954
    • Issue date Jun 4, 1991
    • The Walt Disney Company
    • Richard J. Fox
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Arrangement for supporting theatrical equipment
    • Patent number 4,303,237
    • Issue date Dec 1, 1981
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20210188604
    • Publication date Jun 24, 2021
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • G01 - MEASURING TESTING
  • Information Patent Application

    COMPACT HOIST ACCESSORIES AND COMBINATION SYSTEMS
    • Publication number 20190352154
    • Publication date Nov 21, 2019
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20190291019
    • Publication date Sep 26, 2019
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20190194003
    • Publication date Jun 27, 2019
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    COMPACT HOIST SYSTEM
    • Publication number 20190185299
    • Publication date Jun 20, 2019
    • Electronic Theatre Controls, Inc.
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY WITH LOAD CELLS
    • Publication number 20180029854
    • Publication date Feb 1, 2018
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    COMPACT HOIST SYSTEM
    • Publication number 20170266580
    • Publication date Sep 21, 2017
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    COMPACT HOIST ACCESSORIES AND COMBINATION SYSTEMS
    • Publication number 20170137266
    • Publication date May 18, 2017
    • Donald Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20170043274
    • Publication date Feb 16, 2017
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY WITH LOAD CELLS
    • Publication number 20160368744
    • Publication date Dec 22, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LOFT BLOCK WITH ALIGNED SHEAVES
    • Publication number 20160096119
    • Publication date Apr 7, 2016
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20150321116
    • Publication date Nov 12, 2015
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    NESTED LIFT ASSEMBLIES
    • Publication number 20150144851
    • Publication date May 28, 2015
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY WITH TAPERED DRUMS
    • Publication number 20150144852
    • Publication date May 28, 2015
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LOFT BLOCK WITH ALIGNED SHEAVES
    • Publication number 20150083879
    • Publication date Mar 26, 2015
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    MODULAR LIFT ASSEMBLY
    • Publication number 20140332739
    • Publication date Nov 13, 2014
    • Daktronics Hoist, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20140299827
    • Publication date Oct 9, 2014
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Compact Hoist System
    • Publication number 20140175353
    • Publication date Jun 26, 2014
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Compact Hoist System
    • Publication number 20140175252
    • Publication date Jun 26, 2014
    • Donald Aloysius Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20140110550
    • Publication date Apr 24, 2014
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20130043449
    • Publication date Feb 21, 2013
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    LIFT ASSEMBLY SYSTEMS AND METHODS
    • Publication number 20130015315
    • Publication date Jan 17, 2013
    • Electronic Theatre Controls, Inc.
    • Donald A. Hoffend
    • G01 - MEASURING TESTING
  • Information Patent Application

    Modular lift assembly having telescoping member
    • Publication number 20070246695
    • Publication date Oct 25, 2007
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    MODULAR LIFT ASSEMBLY
    • Publication number 20070001158
    • Publication date Jan 4, 2007
    • HOFFEND & SONS, INC.
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Modular lift assembly
    • Publication number 20060169662
    • Publication date Aug 3, 2006
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Intermediate brake for modular lift assembly
    • Publication number 20050247919
    • Publication date Nov 10, 2005
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Safety sensor for a lift assembly
    • Publication number 20040183060
    • Publication date Sep 23, 2004
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Modular lift assembly
    • Publication number 20040099852
    • Publication date May 27, 2004
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Batten for lift assembly
    • Publication number 20040098944
    • Publication date May 27, 2004
    • Donald A. Hoffend,
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Brake for hoist assembly
    • Publication number 20040084665
    • Publication date May 6, 2004
    • Donald A. Hoffend
    • B66 - HOISTING LIFTING HAULING