Patents by Inventor Robert W. Stewart

Robert W. Stewart 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: 11933789
    Abstract: A device includes: a first portion configured to be grasped by the hand of the user, and a second portion defining a reservoir containing a control material, wherein the control material contains a target analyte in a known or predetermined concentration. A method of verifying the accuracy of an analyte monitoring device includes receiving a fluid sample, identifying the fluid sample as a control solution, and analyzing the fluid sample.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: March 19, 2024
    Assignee: Intuity Medical, Inc.
    Inventors: Kelley J. Lipman, Michael F. Tomasco, Peter Uy-Vu Ly, Jennifer Y. Blomo, Paul D. Reynolds, John F. Larkin, Robin S. Gaffney, Kimberly J. Tansey, Christopher L. Stewart, Raul Escutia, Robert W. Bowers
  • Publication number: 20030155193
    Abstract: A plate for use in a vehicle brake assembly is made from a non-metallic material. In one example, a wet disc brake assembly plate is made from a phenolic material. In another example, a backing plate for a disc brake or drum brake assembly is made from a non-metallic composite and has a friction pad secured to at least one side.
    Type: Application
    Filed: February 20, 2002
    Publication date: August 21, 2003
    Inventors: William D. Hays, Robert W. Stewart, Daniel W. Donnell
  • Patent number: 4859200
    Abstract: A pothead for connecting electrical cable to a downhole submersible pump motor utilizes primary and secondary seals. The pothead includes a rigid plastic insert that is forced into the shell. The insert has passageways extending through it for the conductors of the electrical cable. An elastomeric compression sleeve is located in each passageway and encircles each conductor. A locking ring is secured in the passageway and bears against the compression sleeve to cause the compression sleeve to seal around the conductor. The interior of the shell is filled with an elastomeric material as a secondary seal.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: August 22, 1989
    Assignee: Baker Hughes Incorporated
    Inventors: Ronald M. McIntosh, Richard T. Rentzel, Robert W. Stewart, Daniel L. Daugherty