Patents by Inventor Horace R. Phillimore

Horace R. Phillimore 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).

  • Windshield wiper control
    Patent number: 4625157
    Abstract: Method and apparatus for controlling the intermittent speed of a windshield wiper. A multi-speed motor for operating the windshield wiper is adapted to react to a change in drag of the wiper to automatically switch the motor to a different intermittent rate according to the load condition that exists.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: November 25, 1986
    Inventor: Horace R. Phillimore
  • Overload protection of loudspeakers
    Patent number: 4490770
    Abstract: Loudspeakers are protected against overloading by the inclusion of a magnetic reed switch between each speaker and its driver. The reed switch is operated by a sensor associated with the driver. This allows the switch to be operated, and remain operated, whenever the power level from the driver exeeds a prescribed value which could otherwise damage the speaker.
    Type: Grant
    Filed: June 2, 1981
    Date of Patent: December 25, 1984
    Inventor: Horace R. Phillimore