Patents by Inventor Preben Kirk Elkjaer

Preben Kirk Elkjaer 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).

  • Die for the manufacturing of elongate bodies
    Patent number: 11207726
    Abstract: A die holder mounts a die to form heads on nails or screws. A top surface of the die includes a groove for longitudinally receiving and holding an elongate body. The die has a recess merging into the groove at one end of the groove to form a nail or screw head. The die is conical for press fit by contact with an inner surface of a bore or hole in the die holder. A top surface of the die is planar to a top surface of the die holder with a bottom surface engaging bottom part of the die holder. The bottom portion of the die has a recess or engaging with a corresponding protrusion die holder fixing an angular orientation of the groove relative to the die holder. Two opposite dies are brought together by two opposite die holders forming the head.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: December 28, 2021
    Assignee: Enkotec A/S
    Inventors: Claus Peter Matzen, Preben Kirk Elkjaer
  • DIE FOR THE MANUFACTURING OF ELONGATE BODIES
    Publication number: 20210138529
    Abstract: A die holder mounts a die to form heads on nails or screws. A top surface of the die includes a groove for longitudinally receiving and holding an elongate body. The die has a recess merging into the groove at one end of the groove to form a nail or screw head. The die is conical for press fit by contact with an inner surface of a bore or hole in the die holder. A top surface of the die is planar to a top surface of the die holder with a bottom surface engaging bottom part of the die holder. The bottom portion of the die has a recess or engaging with a corresponding protrusion die holder fixing an angular orientation of the groove relative to the die holder. Two opposite dies are brought together by two opposite die holders forming the head.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Inventors: Claus Peter MATZEN, Preben Kirk ELKJAER
  • Die for the manufacturing of elongate bodies
    Patent number: 10906087
    Abstract: A die holder mounts a die to form heads on nails or screws. A top surface of the die includes a groove for longitudinally receiving and holding an elongate body. The die has a recess merging into the groove at one end of the groove to form a nail or screw head. The die is conical for press fit by contact with an inner surface of a bore or hole in the die holder. A top surface of the die is planar to a top surface of the die holder with a bottom surface engaging bottom part of the die holder. The bottom portion of the die has a recess or engaging with a corresponding protrusion die holder fixing an angular orientation of the groove relative to the die holder. Two opposite dies are brought together by two opposite die holders forming the head.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: February 2, 2021
    Assignee: Enkotec A/S
    Inventors: Claus Peter Matzen, Preben Kirk Elkjaer