Patents by Inventor Timothty L. Wotring

Timothty L. Wotring 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).

  • Centrifugal pump with resiliently biasing diffuser
    Patent number: 5456577
    Abstract: A multistage centrifugal pump having a last stage diffuser which acts as a compensator to load the suction and intermediate pressure gaskets during pump operation and pump stand-by. The last stage diffuser is designed as a spring which deflects under varying conditions and imparts a spring force on the channel rings during assembly, stand-by and other operating conditions.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: October 10, 1995
    Assignee: Ingersoll-Dresser Pump Company
    Inventors: Mark E. O'Sullivan, Timothty L. Wotring