Patents by Inventor Edward Donselman

Edward Donselman 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: 6354344
    Abstract: An automatic filter shutoff device removably connected to a water container and in fluid communication with a water dispenser, which is adapted to monitor water dispensing and disable dispensing after a predetermined amount of water usage. The device includes a housing containing a water filter and removably connected to the water container; a monitoring and disabling mechanism having a shutoff apparatus moveable between first and second locations, the first location being one in which water dispensing is monitored by the mechanism, and the second location being one in which the mechanism is placed in an interfering position with the connection between the housing and the water container.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: March 12, 2002
    Assignee: Elkay Manufacturing Co.
    Inventors: Michael Pluta, Steven A. Griffin, Howard Meinert, Michael S. Marszalec, Edward Donselman