Patents by Inventor Gary W. Davidson

Gary W. Davidson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Exit device dogging operator
    Patent number: 11365563
    Abstract: An exit device for a door includes an elongate housing, a latch, a touch bar assembly, a panel, and a dogging assembly. The elongate housing is configured to be mounted to the door. The touch bar assembly is attached to the elongate housing. The touch bar assembly includes a touch bar that is movable relative to the elongate housing and has a linkage that operably connects the touch bar to the latch. The panel is connected to the elongate housing. The dogging assembly has a combination lock dogging operator and a dogging mechanism. The dogging mechanism is rotatably coupled to the elongate housing. The combination lock dogging operator is mounted to the panel, and is drivably engaged with the dogging mechanism.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: June 21, 2022
    Assignee: dormakaba USA Inc.
    Inventors: Mark Ginter, Michael E. McCoy, Gary W. Davidson
  • EXIT DEVICE DOGGING USING A COMBINATION LOCK
    Publication number: 20190093393
    Abstract: An exit device for a door includes an elongate housing, a latch, a touch bar assembly, a panel, and a dogging assembly. The elongate housing is configured to be mounted to the door. The touch bar assembly is attached to the elongate housing. The touch bar assembly includes a touch bar that is movable relative to the elongate housing and has a linkage that operably connects the touch bar to the latch. The panel is connected to the elongate housing. The dogging assembly has a combination lock dogging operator and a dogging mechanism. The dogging mechanism is rotatably coupled to the elongate housing. The combination lock dogging operator is mounted to the panel, and is drivably engaged with the dogging mechanism.
    Type: Application
    Filed: March 31, 2017
    Publication date: March 28, 2019
    Inventors: Mark Ginter, Michael E. McCoy, Gary W. Davidson
  • Incandescent lamp driver circuit
    Patent number: 4417183
    Abstract: Incandescent lamp driver circuit with current surge limiting and built-in test features.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: November 22, 1983
    Assignee: Honeywell Inc.
    Inventors: Earl E. Popard, Michael F. Sedlar, Gary W. Davidson