Patents by Inventor William J. Dauenhauer

William J. Dauenhauer 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).

  • Air and light impervious water purification and product dispensing system
    Patent number: 4014792
    Abstract: A closed system of cyclically storing and dispensing nearly pure water discharged from a reverse osmosis module which is free from exposure to light and air.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: March 29, 1977
    Inventors: Charles W. Gossett, William J. Dauenhauer
  • System of water purification and product distribution
    Patent number: 3963612
    Abstract: A system of repetitively replenishing a reserve supply in a reservoir of nearly pure product water discharged from a reverse osmosis module that is mounted for reciprocation, the input of which is connected to a conventional water service line and the output of which is in communication with said reservoir and with a valve-controlled product dispensing line; the supply of water from said water service line being controlled by the reciprocation of the module.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: June 15, 1976
    Inventors: Charles W. Gossett, William J. Dauenhauer