Patents by Inventor John J. Geist

John J. Geist 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).

  • Siphon
    Patent number: 3958589
    Abstract: A simply constructed and inexpensive syphon for rapidly lifting liquid out of a container, the syphon consisting of a flexible plastic tube in which there is a spongy plastic piston attached to a flexible cord which extends out of one end of the tube so it can be manually pulled whereby liquid is pulled into the tube behind it.
    Type: Grant
    Filed: July 16, 1974
    Date of Patent: May 25, 1976
    Inventors: John J. Geist, Joseph Giba