Patents by Inventor Jeffrey D. Krull

Jeffrey D. Krull 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).

  • Simultaneous dispensing apparatus
    Patent number: 5305917
    Abstract: Dispensing apparatus is provided for simultaneously dispensing metered quantities of a plurality of materials into a common receptacle. Pump modules each containing a plurality of individual pump members are arranged in a rectangular pattern, between a base plate and a drive plate. The drive plate is raised and lowered, toward and away from the base plate, by a pair of drive screws. The plurality of individual pump members are thus simultaneously operated to dispense different materials into a common receptacle, at the same time.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: April 26, 1994
    Assignee: Fluid Management Limited Partnership
    Inventors: William A. Miller, Theodore R. Arneson, Andrew V. Platacis, Jeffrey D. Krull