Patents by Inventor David Kerzel

David Kerzel 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).

  • Control system and method for dispensing a liquid
    Patent number: 4530862
    Abstract: In a liquid dispensing system which applies a liquid to a product moving past a liquid dispensing applicator, the improvement comprising dispensing a predetermined quantity of liquid per unit length of liquid dispensed by controlling the liquid operating pressure to coincide with a predetermined liquid pressure and by providing a flow bypass line which permits a continual flow of liquid through a liquid flow pump controlling the liquid operating pressure when the liquid dispensing applicator is not activated.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: July 23, 1985
    Assignee: Spraymation, Inc.
    Inventor: David Kerzel