Patents by Inventor Robert David James

Robert David James 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).

  • Dispenser
    Patent number: 6299369
    Abstract: A dispenser for a solid or soft solid mass has a barrel, a piston within the barrel, and a mechanism for advancing the piston axially within the barrel including a rotor wheel. A boss having an inwardly tapered profile (tear drop) and a sump dimensioned to receive the boss seats the rotor wheel at a predetermined angular position relative to the barrel. The boss is preferably formed on the rotor wheel and the sump in the base of the barrel. The dispenser is provided with a pair of bosses and sumps, symmetrically arranged around the rotor wheel and barrel base.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: October 9, 2001
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Roger Anthony Baines, Martin Christopher Bunce, Robert David James, Russell Jones