Patents by Inventor Rudolf Rufenacht

Rudolf Rufenacht 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).

  • Bottle reflling apparatus
    Patent number: 5220949
    Abstract: A refill system for a viscous liquid such as a shampoo or shower gel comprises a nozzle attached to a flexible pouch, the nozzle being capable of fitting inside a bottle and allowing air to vent from the bottle to atmosphere as the liquid passes into the bottle through the nozzle.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: June 22, 1993
    Assignee: Chesebrough-Pond's USA Co.
    Inventor: Rudolf Rufenacht