Patents by Inventor Howard Scharfman

Howard Scharfman 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).

  • Magnetron tuning circuit
    Patent number: 4162459
    Abstract: A circuit for the modulation of the frequency of radiation produced by a magnetron includes a directional coupler connected to the output port of the magnetron, a circulator coupled between the output port and a load, and a phase shifter connected between the directional coupler and the circulator.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: July 24, 1979
    Assignee: Raytheon Company
    Inventor: Howard Scharfman
  • Vented solar collector
    Patent number: 4043317
    Abstract: A solar collector of the type embodying a collector plate with fluid conduits disposed in heat-conductive relation to the plate, and a transparent cover spaced above the plate-conduit assembly, with venting devices being provided in opposite end portions of the assembly for permitting cool air circulation within the space between the plate and cover to maintain the temperature of the collector below an established level.
    Type: Grant
    Filed: July 2, 1976
    Date of Patent: August 23, 1977
    Assignee: Raytheon Company
    Inventor: Howard Scharfman