Patents by Inventor Robert E. Tiepel

Robert E. Tiepel 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).

  • Dual liquid dispensing system
    Patent number: 5242081
    Abstract: A dual dispensing system for delivering aliquots of a liquid product comprising a housing, two collapsible reservoirs for the liquid product, two manually operated pumps, each of which is connected to one of the collapsible reservoirs and a means to switch over from one pump to another. The switch over means is automatically activated by the vacuum in one of these collapsible reservoirs when the liquid product therein is exhausted and it is fully collapsed.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: September 7, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Lambertus G. van der Heyden, Robert E. Tiepel, Gerrit K. Bunschoten