Patents by Inventor Richard O'Keefe

Richard O'Keefe 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).

  • Publication number: 20240108805
    Abstract: Methods and apparatuses for providing an adjustable flow resistor. The adjustable flow resistor can include a chamber into which fluid is introduced, having an input end and an output end. A flow modifier can be situated within the chamber, between the input end and the output end, to modify a flow rate of the fluid. An adjustable resistance member can be positioned to interact with the flow modifier within the chamber to controllably modify the constant flow rate out of the adjustable flow resistor.
    Type: Application
    Filed: February 2, 2022
    Publication date: April 4, 2024
    Inventors: Lishan Aklog, Richard Yazbeck, Michael Boutillette, Jessie Gifford, Peter Aliski, Amos Cruz, Jonathan O'Keefe
  • Patent number: D308540
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: June 12, 1990
    Inventor: Richard O'Keefe