Patents by Inventor Douglas E. Dorfman

Douglas E. Dorfman 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).

  • ELECTRICALLY DRIVEN JEWELRY CLEANING BRUSH
    Publication number: 20160345720
    Abstract: A jewelry cleaning apparatus includes a handle portion and a head portion. The handle portion houses an electrical motor having a motor shaft extending there-from into the head portion. The motor shaft has an eccentric distal end. The head portion includes an oscillatable brush. The oscillatable brush rotatably engages a fixed brush shaft of the head portion disposed perpendicular to the motor shaft. The oscillatable brush has a recess for receiving the eccentric distal end such that rotational position of the oscillatable brush relative to the brush shaft is varied between five and ninety angular degrees by rotation of the motor shaft.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 1, 2016
    Inventors: Douglas E. Dorfman, Dov Z. Glucksman, Laura Nickerson
  • Jewelry cleaner
    Patent number: D756575
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: May 17, 2016
    Inventors: Ursula Flurer, Alison Goudreault, Laura J. Nickerson, Dov Z Glucksman, Douglas E. Dorfman
  • Jewelry cleaner
    Patent number: D898310
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: October 6, 2020
    Inventors: Michael David Miller, Douglas E. Dorfman, Dov Z. Glucksman