Patents by Inventor Helmar Nielsen

Helmar Nielsen 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).

  • Anti-theft frame hanging system
    Patent number: 4385744
    Abstract: The invention is a frame apparatus including a frame body for retaining a display article and a securing system fixed to a support surface and detachably engageable with the rear surface of the frame body. The securing system includes a latch assembly attaching the frame body to the support surface and having a release mechanism concealed therebetween.
    Type: Grant
    Filed: March 2, 1981
    Date of Patent: May 31, 1983
    Assignee: Nielsen Moulding Design Corporation
    Inventors: Charles F. Sherman, Mark T. Cole, Helmar Nielsen
  • Picture frame
    Patent number: 4122617
    Abstract: A quick-assembly picture frame is provided with improved means for locking the precut frame members together. The invention is intended for use primarily with picture frames formed from metal in extruded cross sectional shapes. Adjacent ends of frame members which define the corners of the frame are locked together by L-shaped brackets which are received in channels at the rear face of each of the frame members. The L-shaped brackets at each corner are secured to the channels by any suitable means such as screws which bear inwardly toward the bottom of the channels to secure the L-shaped brackets in the channels. The L-shaped brackets and channels are formed in a manner which, when the screws are tightened, will cause adjacent frame members to pivot slightly about their lengths and in a manner which draws the forwardly facing corner regions of the frame sections tightly together.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: October 31, 1978
    Inventor: Helmar Nielsen
  • Picture frame
    Patent number: 3965601
    Abstract: A quick-assembly picture frame is provided with improved means for locking the precut frame members together. The invention is intended for use primarily with picture frames formed from metal in extruded cross sectional shapes. Adjacent ends of frame members which define the corners of the frame are locked together by L-shaped brackets which are received in channels at the rear face of each of the frame members. The L-shaped brackets at each corner are secured to the channels by any suitable means such as screws which bear inwardly toward the bottom of the channels to secure the L-shaped brackets in the channels. The L-shaped brackets and channels are formed in a manner which, when the screws are tightened, will cause the adjacent frame members to pivot slightly about their lengths and in a manner which draws the forwardly facing corner regions of the frame sections tightly together.
    Type: Grant
    Filed: August 12, 1974
    Date of Patent: June 29, 1976
    Inventor: Helmar Nielsen