Patents by Inventor Harry R. Trovinger

Harry R. Trovinger 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).

  • Patent number: 5806413
    Abstract: A juicer including a safety switch operatively coupled to an outlet screen holder on a power juicer. The magnet cooperates with a reed switch and a triac to interrupt power unless the screen holder is in place.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: September 15, 1998
    Inventor: Harry R. Trovinger
  • Patent number: 3976001
    Abstract: A power juicer including a motor driven rotor formed of nylon and having a plurality of stainless steel saw blades cast into the nylon and extending radially outwardly therefrom to serve as cutters. A screened opening is positioned beneath the cutters for permitting the juice to pass therethrough. A screw threaded front unloading attachment is secured to the rotor for feeding the pulp and other solids to a disposal sack attached to the end of the juicer body. The front unloading attachments are interchangeable and have 1/4, 1/2 and 3/4 turns on the screw threads thereof.
    Type: Grant
    Filed: July 9, 1973
    Date of Patent: August 24, 1976
    Inventor: Harry R. Trovinger