Patents by Inventor Adam P. Visser

Adam P. Visser 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).

  • Thermal pumping system for liquid products
    Patent number: 4732191
    Abstract: The present invention pertains to a thermal pumping system based upon the action of a temperature-sensitive evaporating-condensing expansion liquid for dosing liquid products from a supply container into a washing machine comprising a discharge line having an aeration point above the maximal liquid level of the supply container. The invention provides a fully automatic temperature-triggered pumping system which is self-priming.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: March 22, 1988
    Assignee: Lever Brothers Company
    Inventors: Adam P. Visser, Jan Blom