Patents by Inventor Debra K. Zeller

Debra K. Zeller 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: 6675655
    Abstract: A process transmitter for measuring a process pressure includes a pressure sensor in a sensor housing. An isolation diaphragm which isolates fill fluid from process fluid is spaced apart from a process fluid seal. The spacing reduces deformation of the isolation diaphragm due to a mounting force.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: January 13, 2004
    Assignee: Rosemount Inc.
    Inventors: David A. Broden, Debra K. Zeller
  • Publication number: 20030177837
    Abstract: A process transmitter for measuring a process pressure includes a pressure sensor in a sensor housing. An isolation diaphragm which isolates fill fluid from process fluid is spaced apart from a process fluid seal. The spacing reduces deformation of the isolation diaphragm due to a mounting force.
    Type: Application
    Filed: March 21, 2002
    Publication date: September 25, 2003
    Inventors: David A. Broden, Debra K. Zeller
  • Patent number: D317266
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: June 4, 1991
    Assignee: Rosemount Inc.
    Inventors: David A. Broden, David W. Lee, Timothy A. Miller, Debra K. Zeller
  • Patent number: D318432
    Type: Grant
    Filed: April 22, 1988
    Date of Patent: July 23, 1991
    Assignee: Rosemount Inc.
    Inventors: David A. Broden, David W. Lee, Timothy A. Miller, Debra K. Zeller