Patents by Inventor Henry B. Clark, Jr.

Henry B. Clark, Jr. 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).

  • Set-back thermostat assembly
    Patent number: 4524908
    Abstract: The assembly comprises a heat emitting element located in a thermostat and an electrical circuit for selectively energizing and deenergizing said element by means of local control or remotely activated circuitry. The assembly has means for allowing varying amounts of predetermined current to be conducted through said element. This allows for an unlimited variety of control over the amount of heating or cooling provided through direct or remote operation as specifically desired by the operator of the system.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: June 25, 1985
    Inventors: John Marshall, Henry B. Clark, Jr.
  • Automatic outlet control
    Patent number: D276150
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: October 30, 1984
    Inventors: John Marshall, Henry B. Clark, Jr.