Patents by Inventor Christian S. Leyden

Christian S. Leyden 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: 7814664
    Abstract: A folding utility knife has a handle and a blade holder pivotally mounted on he handle. The blade holder is movable between (i) a closed position with the blade holder pivoted inwardly toward the handle, (ii) a cutting position with the blade holder pivoted outwardly relative to the handle, and (iii) a blade release position located between the closed position and the cutting position. A blade release actuator is located on the blade holder and is movable between (i) a first position preventing release of a utility knife blade located on the blade holder, and (ii) a second position permitting release of a utility knife blade located on the blade holder.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: October 19, 2010
    Assignee: Irwin Industrial Tool Company
    Inventors: Norman LeBlanc, Steven R. Levine, Christian S. Leyden
  • Publication number: 20080289191
    Abstract: A folding utility knife has a handle and a blade holder pivotally mounted on he handle. The blade holder is movable between (i) a closed position with the blade holder pivoted inwardly toward the handle, (ii) a cutting position with the blade holder pivoted outwardly relative to the handle, and (iii) a blade release position located between the closed position and the cutting position. A blade release actuator is located on the blade holder and is movable between (i) a first position preventing release of a utility knife blade located on the blade holder, and (ii) a second position permitting release of a utility knife blade located on the blade holder.
    Type: Application
    Filed: May 21, 2007
    Publication date: November 27, 2008
    Inventors: Norman LeBlanc, Steven R. Levine, Christian S. Leyden
  • Patent number: D504750
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: May 3, 2005
    Assignee: Matsushita Electric Corporation of America
    Inventor: Christian S. Leyden
  • Patent number: D515755
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: February 21, 2006
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D515757
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: February 21, 2006
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D519250
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: April 18, 2006
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D520692
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: May 9, 2006
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D521199
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: May 16, 2006
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D537994
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: March 6, 2007
    Assignee: Panasonic Corporation of North America
    Inventor: Christian S. Leyden
  • Patent number: D489850
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: May 11, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventors: Jeffrey M. Elrod, Christian S. Leyden
  • Patent number: D490949
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: June 1, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventors: Jeffrey M. Elrod, Christian S. Leyden
  • Patent number: D490951
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: June 1, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventor: Christian S. Leyden
  • Patent number: D495106
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 24, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventors: Christian S. Leyden, Morgan S. Brown
  • Patent number: D495455
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: August 31, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventors: Morgan S. Brown, Christian S. Leyden
  • Patent number: D499850
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: December 14, 2004
    Assignee: Matsushita Electric Corporation of America
    Inventor: Christian S. Leyden
  • Patent number: D922462
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: June 15, 2021
    Assignee: Sunbeam Products, Inc.
    Inventor: Christian S. Leyden
  • Patent number: D924290
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: July 6, 2021
    Assignee: Sunbeam Products, Inc.
    Inventors: Sean T Eurich, Christian S Leyden, Marcel A Souza
  • Patent number: D926849
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: August 3, 2021
    Assignee: Sunbeam Products, Inc.
    Inventors: Sean T Eurich, Christian S Leyden, Marcel A Souza
  • Patent number: D939002
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: December 21, 2021
    Assignee: Sunbeam Products, Inc.
    Inventors: Sean T Eurich, Christian S Leyden, Marcel A Souza
  • Patent number: D952716
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: May 24, 2022
    Assignee: Sunbeam Products, Inc.
    Inventors: Sean T Eurich, Christian S Leyden, Marcel A Souza