Patents by Inventor Stephen F. Hobbs

Stephen F. Hobbs 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).

  • Manufacturing razor blades
    Patent number: 8607667
    Abstract: A method of manufacturing razor blades from a strip material including reducing the thickness of the strip material by at least 10% and converting the strip material into razor blades.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: December 17, 2013
    Assignee: The Gillette Company
    Inventors: Cheng-Jih Li, Stephen F. Hobbs, Nicolae Neamtu
  • Manufacturing razor blades
    Patent number: 8061237
    Abstract: A method of manufacturing razor blades from a strip material includes reducing the thickness of a lengthwise-extending blade edge region of the strip material.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: November 22, 2011
    Assignee: The Gillette Company
    Inventors: Stephen F. Hobbs, Cheng-Jih Li, Nicolae Neamtu
  • Manufacturing razor blades
    Patent number: 7578217
    Abstract: A method of making razor blades from a strip material includes offsetting and flattening steps.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: August 25, 2009
    Assignee: The Gillette Company
    Inventors: Stephen F. Hobbs, Cheng-Jih Li
  • Razor blade and method of manufacture
    Patent number: 6957598
    Abstract: An elongated stock material for use in manufacturing shaving razor blades, the material including an elongated, flat strip of metal having a front edge and back edge extending along its length, a sharpened cutting edge portion extending along the front edge, a weakened portion between the front edge and the back edge, a blade portion between the cutting edge portion and the weakened portion, and a removable portion between the weakened portion and the back edge. Also disclosed are blades and cartridges made from the material, and methods and apparatus making and using the material.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: October 25, 2005
    Assignee: The Gillette Company
    Inventors: Nicolae Neamtu, Stephen F. Hobbs
  • Razor blade and method of manufacture
    Publication number: 20040221460
    Abstract: An elongated stock material for use in manufacturing shaving razor blades, the material including an elongated, flat strip of metal having a front edge and back edge extending along its length, a sharpened cutting edge portion extending along the front edge, a weakened portion between the front edge and the back edge, a blade portion between the cutting edge portion and the weakened portion, and a removable portion between the weakened portion and the back edge. Also disclosed are blades and cartridges made from the material, and methods and apparatus making and using the material.
    Type: Application
    Filed: October 7, 2003
    Publication date: November 11, 2004
    Applicant: The Gillette Company, a Delaware corporation
    Inventors: Nicolae Neamtu, Stephen F. Hobbs
  • Razor blade
    Patent number: 6629475
    Abstract: An elongated stock material for use in manufacturing shaving razor blades, the material including an elongated, flat strip of metal having a front edge and back edge extending along its length, a sharpened cutting edge portion extending along the front edge, a weakened portion between the front edge and the back edge, a blade portion between the cutting edge portion and the weakened portion, and a removable portion between the weakened portion and the back edge. Also disclosed are blades and cartridges made from the material, and methods and apparatus making and using the material.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: October 7, 2003
    Assignee: The Gillette Company
    Inventors: Nicolae Neamtu, Stephen F. Hobbs