Patents by Inventor Helmut Uhrig

Helmut Uhrig 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).

  • Steam-iron drip-feed valve
    Patent number: 4760658
    Abstract: The invention relates to a drip-feed valve for electric steam irons, which cuts off the supply of water from the water tank into the vaporization chamber, as soon as the steam iron is temporarily put down on its sole plate.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: August 2, 1988
    Assignee: Rowenta-Werke GmbH
    Inventors: Hans Emig, Bernd Lindstaedt, Gunter Strein, Helmut Uhrig, Willi Volk