Patents by Inventor Paul E. Balthaser

Paul E. Balthaser 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).

  • Refrigerant charging tool
    Patent number: 4852769
    Abstract: A refrigerant charging tool for use with conventional size freon cans, the tool being a hand-held implement adapted to nest about a can in a socket with extending lever arms normally spaced apart and adapted by squeezing to be biased toward one another to cause a piercing element to pierce the can and wherein the piercing element includes a valve to control flow from the can.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: August 1, 1989
    Assignee: Kwik Kool, Inc.
    Inventors: James D. Robertson, Paul E. Balthaser