Patents by Inventor Alfons Knapp

Alfons Knapp 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).

  • Cock unit for hydraulic systems, with interchangeable delivery spouts
    Patent number: 3943961
    Abstract: A cock unit and particularly a single-control mixer wherein the outlet is formed by a union which is standardized with respect to a set of different delivery spouts, so that a single type of unit can be manufactured and stored, and then at the moment of installation it is made suitable for different uses, as for wash-stands, wash-tubs, bath tubs, bidets and so on, by suitably selecting a delivery spout within the available set.
    Type: Grant
    Filed: October 23, 1974
    Date of Patent: March 16, 1976
    Inventor: Alfons Knapp