Patents by Inventor David J. Sorg

David J. Sorg 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).

  • Yttrium chromite chromia thermistors
    Patent number: 6204748
    Abstract: Rare earth elemental thermistors and compositions useful for making such thermistors. In particular, it relates to yttrium and chromium oxide based thermistor systems having at least two phases: YCrO3 and Cr2O3 and their use for measuring temperature.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: March 20, 2001
    Assignee: Keystone Thermometrics, Inc.
    Inventor: David J. Sorg
  • Yttrium chromite chromia thermistors
    Patent number: 6136231
    Abstract: The present invention relates to rare earth elemental thermistors and compositions useful for making such thermistors. In particular, it relates to yttrium and chromium oxide based thermistor systems having at least two phases: YCrO.sub.3 and Cr.sub.2 O.sub.3 and their use for measuring temperature.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: October 24, 2000
    Assignee: Keystone Thermometrics, Inc.
    Inventor: David J. Sorg