Patents by Inventor Richard D. Hembre

Richard D. Hembre 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: 5928504
    Abstract: A faucet-mounted water treatment device including a flow totalizer and an end-of-life indicator cooperating with the totalizer to tell the user when it is necessary to replace the filter cartridge. End-of-life indication is provided by a valve which stops flow after a predetermined volume has been filtered and by a rotating screen which shows the amount of useful life remaining in the filter cartridge.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: July 27, 1999
    Assignee: Recovery Engineering, Inc.
    Inventors: Richard D. Hembre, Brian F. Sullivan