Patents by Inventor Don Halgren

Don Halgren 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).

  • Patent number: 10384257
    Abstract: A punch press quick tool change system comprising a reciprocally movable upper support member arranged on a punch press frame. The system also includes a lower support member arranged on the punch press frame. A pair of tool gripping members are arranged on the upper support member and also on the lower support member. The tool gripping members comprises a 1st pair of spaced-apart parallel keeper positioners secured to the upper support member for securing the tool gripping arrangement plate adjustably against the upper support member. A 2nd pair of parallel keeper positioners are secured to the lower support member for securing a 2nd tool gripping plate adjustably against the lower support member.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: August 20, 2019
    Inventor: Don Halgren
  • Publication number: 20180303071
    Abstract: An enclosed gripping arrangement for safely, securely and adjustably supporting a bone, treat or chew toy for a pet, comprising: an elongated enclosure housing defined by a wall, the elongated enclosure housing having a 1st adjustment end and a 2nd base end, the base end having a base arrangement therewith, the elongated enclosure housing enclosing an elongated adjustable first shaft extending through the 1st adjustment end, and an elongated second shaft extending within the 2nd base end from a base thereof. An opposed arrangement of gripping jaws comprising a first gripping jaw on a distal end of the elongated adjustable 1st shaft, and a second gripping jaw arranged on a distal end of the elongated adjustable second shaft, to define a gripping zone therebetween.
    Type: Application
    Filed: April 6, 2018
    Publication date: October 25, 2018
    Inventor: Don Halgren
  • Publication number: 20170259321
    Abstract: A punch press quick tool change system comprising a reciprocally movable upper support member arranged on a punch press frame. The system also includes a lower support member arranged on the punch press frame. A pair of tool gripping members are arranged on the upper support member and also on the lower support member. The tool gripping members comprises a 1st pair of spaced-apart parallel keeper positioners secured to the upper support member for securing the tool gripping arrangement plate adjustably against the upper support member. A 2nd pair of parallel keeper positioners are secured to the lower support member for securing a 2nd tool gripping plate adjustably against the lower support member.
    Type: Application
    Filed: May 24, 2017
    Publication date: September 14, 2017
    Inventor: Don Halgren
  • Publication number: 20170047684
    Abstract: A lockout frame arrangement for an electrical outlet box arrangement, comprising an electrical outlet box arranged for receipt of electrical outlets, a cover plate attachable to an open side of the electrical outlet box, for securement of electrical sockets therewithin, with a rectilinear outer cover capturing frame securely sandwiched between the cover plate and the open side of the electrical outlet box. An outer protective cover plate is matingly attached to and securable within a perimeter of the outer cover capturing frame.
    Type: Application
    Filed: October 24, 2016
    Publication date: February 16, 2017
    Inventor: Don Halgren