Patents by Inventor Roger C. Cottrell

Roger C. Cottrell 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).

  • Pneumatic tire and wheel allowing unassisted manual mounting of the tire and a method for designing such a tire and wheel
    Patent number: 6916073
    Abstract: A tire and wheel assembly that permits hand-mounting of the tire on the wheel is provided. The following parameters are identified in a specific relationship so as to provide a tire that permits such hand mounting: Ct is the circumference of the wheel well, from the mounting side flange, H is the radial height of the rim flange, and Y is the axial width of the rim flange, and M represents an amount of additional length, preferably about 80 millimeters.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: July 12, 2005
    Assignee: Michelin Recherche et Technique
    Inventors: Roger C. Cottrell, Ronald H. Thompson
  • Pneumatic tire and wheel allowing unassisted manual mounting of the tire and a method for designing such a tire and wheel
    Publication number: 20040169412
    Abstract: A tire and wheel assembly permits hand-mounting of the tire on the wheel by specifying the relationship of the tire bead circumference and the wheel geometry so that:
    Type: Application
    Filed: March 8, 2004
    Publication date: September 2, 2004
    Inventors: Roger C. Cottrell, Ronald H. Thompson
  • Tire
    Patent number: D300015
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: February 28, 1989
    Assignee: Michelin Recherche et Technique
    Inventor: Roger C. Cottrell
  • Tire
    Patent number: D300017
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: February 28, 1989
    Assignee: Michelin Recherche et Technique
    Inventor: Roger C. Cottrell
  • Tire
    Patent number: D313208
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: December 25, 1990
    Assignee: Michelin Recherche et Technique
    Inventor: Roger C. Cottrell
  • Tire
    Patent number: D321157
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: October 29, 1991
    Assignee: Michelin Recherche et Technique
    Inventors: Roger C. Cottrell, Michael I. Wischhusen