Patents Assigned to J. A. Henckels Zwillingswerk
  • Knife with ferrule as sintered part
    Patent number: 5131152
    Abstract: A knife consisting of blade, ferrule and shank, in which shank and blade are welded to opposite flat surfaces of the ferrule and consist of steel, and, in order to obtain a considerably simplified manufacture with the same utilitarian value, a sinter-steel ferrule is provided in connection with which the material of shank and ferrule have approximately the same hardness, which hardness is less than that of the material of the blade.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: July 21, 1992
    Assignee: J. A. Henckels Zwillingswerk Aktiengesellschaft
    Inventors: Jurgen E. Wordtmann, Horst Grafe
  • Cutting tools having a plastic handle
    Patent number: 4955139
    Abstract: A cutting tool, particularly a knife, is formed of a blade and handle, the blade having a tang which extends into the handle. The handle is configured with an insertion shaft having sidewalls and a height greater than its width as measured in cross section. The insertion shaft receives the tang. Portions of the sidewalls are cut out to form elongated recesses giving the shaft the shape of a cross as viewed in cross section. Lugs are formed at ends of the recesses facing the blade for secure engagement with the tang.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: September 11, 1990
    Assignee: J. A. Henckels Zwillingswerk Aktiengesellschaft
    Inventors: Wilfried Clotten, Rainer Feige
  • Manicure kit
    Patent number: D258391
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: February 24, 1981
    Assignee: J. A. Henckels-Zwillingswerk Aktiengesellschaft
    Inventor: Lutz Bohn
  • Scissors
    Patent number: D262937
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: February 9, 1982
    Assignee: J. A. Henckels-Zwillingswerk Aktiengesellschaft
    Inventor: Heinz-Max Huthmann
  • Pair of scissors
    Patent number: D276975
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: January 1, 1985
    Assignee: J. A. Henckels Zwillingswerk AG
    Inventor: Jurgen E. Wordtmann
  • Handle for a sharpening rod
    Patent number: D331692
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: December 15, 1992
    Assignee: J. A. Henckels Zwillingswerk AG
    Inventor: Udo Rieser
  • Storage block for knives
    Patent number: D338376
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: August 17, 1993
    Assignee: J. A. Henckels Zwillingswerk AG
    Inventor: Fried Ulber
  • Combination nail file and nail cleaner with a two-piece case
    Patent number: D349361
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: August 2, 1994
    Assignee: J. A. Henckels Zwillingswerk AG
    Inventor: Gerd Hartmann
  • Nail file with a scabbard
    Patent number: D350218
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: August 30, 1994
    Assignee: J. A. Henckels Zwillingswerk
    Inventor: Dieter Thomas
  • Handle for knives
    Patent number: D375035
    Type: Grant
    Filed: June 21, 1995
    Date of Patent: October 29, 1996
    Assignee: J. A. Henckels Zwillingswerk AG
    Inventor: Petra Mangol