Patents Assigned to Cold Steel
  • Patent number: 8196788
    Abstract: A scabbard for axes or tomahawks that provides a lightweight and foldable integrated head cover configuration that encloses the respective sharpened surfaces of the weapon in multiple pivoted hard case covers for safety and transport on the person of the user.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: June 12, 2012
    Assignee: Cold Steel
    Inventors: Andrew Demko, Michael Travis Wallace
  • Patent number: 8123637
    Abstract: A stun dart having a solid impact head with a conical shaped tail portion interconnected by a solid cylindrical elongated body. The impact head has a contoured front surface with intersecting grooves and a tapered trailing body surface to impart flight stability and maximum travel distance and impact delivery to the target.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: February 28, 2012
    Assignee: Cold Steel
    Inventors: Andrew Demko, Michael T. Wallace
  • Patent number: 8096292
    Abstract: A multi-dart blow gun projectile holder that provides for insertion and launching of multiple blow gun darts from a blow gun. The projectile holder has dual hollow open engagement cones secured together in oppositely disposed relation to one another. Multiple wire darts are selectively positioned by their base in one of said cones while the remaining cone imparts an air seal within the blow gun under user applied air pressure propelling and holding the position darts as they travel out of the blow gun during use.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: January 17, 2012
    Assignee: Cold Steel
    Inventors: Andrew Demko, Michael T. Wallace
  • Patent number: 7941927
    Abstract: A folding knife having a movable locking element that locks the blade in open position and retains the blade in secure closed position within an integrated spaced parallel monolithic handle frame member. A spring-urged locking retainment arm engages corresponding parallel portions of the blade shank when in respective locked open and locked closed positions. Sliding longitudinal displacement of the retainment arm allows for progressive engaged rotation of the blade shank about a pivot mounting point to a fully closed and locked position against two blade shank engagement points by the locking arm.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: May 17, 2011
    Assignee: Cold Steel
    Inventor: Andrew Demko
  • Patent number: 7676930
    Abstract: An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: March 16, 2010
    Assignee: Cold Steel
    Inventor: Andrew Demko
  • Patent number: 7469476
    Abstract: A folding knife having an improved locking mechanism that keeps the knife in an open extended use position until specific close actions are initiated. The improved locking mechanism provides a safety pin that is secured within the frame elements so as to be positioned between the knife blade and the free end of a locking bar that is spring urged thereagainst imparting improved force transfer locking structure thereto with wear adjustably pivot engagement points of the locking mechanism under spring urged locking engagement.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: December 30, 2008
    Assignee: Cold Steel
    Inventor: Andrew Demko
  • Patent number: RE43908
    Abstract: An improvement for a dual handle fighting knife having interlocking handles when in open position and multiple spring blades stabilization in open and closed position. The handle blade spring engagement provides for a safe, straight-forward interlocking blade position and spacing of said cutting edge engagement with said handle when in closed position.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: January 8, 2013
    Assignee: Cold Steel
    Inventor: Andrew Demko
  • Patent number: D816457
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: May 1, 2018
    Assignee: COLD STEEL
    Inventor: Andrew Demko