Patents by Inventor Mordechai Avitan

Mordechai Avitan 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).

  • Warhead configuration
    Patent number: 6758143
    Abstract: A warhead configuration for forming a large-diameter hole through a wall of a target includes a shaped charge of explosive material presenting an annular front surface portion circumscribing an axis of the charge. The annular front surface portion exhibits a concave profile as viewed in cross-section through the axis, at least part of the concave profile being configured such that a vector projecting outward from the part normal to the annular front surface portion diverges from the axis. A liner is provided adjacent to at least part of the annular front surface portion.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: July 6, 2004
    Assignee: Rafael-Armament Development Authority Ltd.
    Inventors: Zeev Ritman, Gershon Kliminz, Mordechai Avitan
  • Warhead configuration
    Publication number: 20030233957
    Abstract: A warhead configuration for forming a large-diameter hole through a wall of a target includes a shaped charge of explosive material presenting an annular front surface portion circumscribing an axis of the charge. The annular front surface portion exhibits a concave profile as viewed in cross-section through the axis, at least part of the concave profile being configured such that a vector projecting outward from the part normal to the annular front surface portion diverges from the axis. A liner is provided adjacent to at least part of the annular front surface portion.
    Type: Application
    Filed: June 16, 2003
    Publication date: December 25, 2003
    Applicant: RAFAEL-ARMAMENT DEVELOPMENT AUTHORITY LTD.
    Inventors: Zeev Ritman, Gershon Kliminz, Mordechai Avitan
  • Warhead configuration
    Patent number: 6644205
    Abstract: A warhead (10) configuration for forming a large-diameter hole through a wall of a target includes a shaped charge of explosive material (12) presenting an annular front surface portion (16) circumscribing an axis of the charge. The annular front surface portion (16) exhibits a concave profile as viewed in cross-section through the axis, at least part of the concave profile being configured such that a vector projecting outward from the part normal to the annular front surface portion diverges from the axis. A liner (14) is provided adjacent to at least part of the annular front surface portion.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: November 11, 2003
    Assignee: Rafael-Armament Development Authority Ltd.
    Inventors: Zeev Ritman, Gershon Kliminz, Mordechai Avitan
  • Wall breaching warhead
    Patent number: 6477959
    Abstract: A wall breaching warhead 10 for forming a hole through a brick wall includes a shaped charge 12 of explosive material having a central axis 14. The front surface of shaped charge 12 includes a central portion 16, adjacent to central axis 14, having a generally convexly-curved shape, and an annular portion 18, circumscribing central portion 16, having a generally concavely-curved shape. A metallic liner 20, adjacent to at least annular portion 18 of the front surface of charge 12.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: November 12, 2002
    Assignee: Rafael-Armament Development Authority Ltd.
    Inventors: Zeev Ritman, Mordechai Avitan