Patents by Inventor Thomas Wolfram

Thomas Wolfram 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).

  • Method for increasing the output power of a laser diode
    Patent number: 4924471
    Abstract: The optical output power from a GaInP based laser diode can be at least doubled by slight cooling of the device with thermoelectric cooling means when the diode is operated in a substantially room temperature environment.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: May 8, 1990
    Assignee: Amoco Corporation
    Inventors: John H. Clark, James H. Fisher, Thomas Wolfram
  • Optically pumped laser
    Patent number: 4901330
    Abstract: An optically pumped laser which includes a laser diode array for generating optically pumped radiation having a uniform intensity distributed over a broad band-width, and a lasant material with an absorption band for receiving radiation within such bandwidth.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: February 13, 1990
    Assignee: Amoco Corporation
    Inventors: Thomas Wolfram, Bruce A. Vojak, Edward T. Maas, Jr., Robert D. Burnham