Patents by Inventor David K. Greenlaw

David K. Greenlaw 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).

  • Patent number: 6210494
    Abstract: A structure and method of making resistive emitting members which exhibit high resistivity while at the same time providing high temperature operation significantly above that known in the art. Specifically the use of nitrides of Group IVB transition metals from the periodic table, exclusive of titanium is described.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: April 3, 2001
    Assignee: Honeywell International Inc.
    Inventors: Barrett E. Cole, James O. Holmen, David K. Greenlaw
  • Patent number: 5973383
    Abstract: A structure and method of making resistive emitting members which exhibit high resistivity while at the same time providing high temperature operation significantly above that known in the art. Specifically the use of nitrides of Group IVB transition metals from the periodic table, exclusive of titanium is described.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: October 26, 1999
    Assignee: Honeywell Inc.
    Inventors: Barrett E. Cole, James O. Holmen, David K. Greenlaw