Patents Assigned to Tullen Industries Limited
  • Tool holder
    Patent number: 4152831
    Abstract: A tool holder for a scissor-like tool whose blades are biased to an open position by means of a spring has a portion co-acting with the blades or handles which are forced against that portion to secure the tool in the holder.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: May 8, 1979
    Assignee: Tullen Industries Limited
    Inventor: Peter O. Davies
  • Surface hardened steel cutting blade
    Patent number: 3974564
    Abstract: A surface hardened steel cutting blade adapted to be used in shear against another hardened blade has chipping eliminated or reduced substantially by limiting the hardened layer of the inner face of the blade to 0.002 to 0.008 inches thick, backed by a softer layer which is exposed at the edge face adjacent the cutting edge.
    Type: Grant
    Filed: December 29, 1972
    Date of Patent: August 17, 1976
    Assignee: Tullen Industries Limited
    Inventor: John A. Hough
  • Cutting tool
    Patent number: D250165
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: November 7, 1978
    Assignee: Tullen Industries Limited
    Inventor: Peter O. Davies
  • Cutting tool
    Patent number: D250166
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: November 7, 1978
    Assignee: Tullen Industries Limited
    Inventor: Peter O. Davies
  • Cutting tool
    Patent number: D256541
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: August 26, 1980
    Assignee: Tullen Industries Limited
    Inventor: Peter O. Davies
  • Kitchen cutter holder
    Patent number: D259002
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: April 28, 1981
    Assignee: Tullen Industries Limited
    Inventor: Peter O. Davies