Patents by Inventor John W. Hellwig

John W. Hellwig 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).

  • Bundling strap employing flat blank with one end having side tooth and other end foldable into slot with tooth-engaging through hole
    Patent number: 5210910
    Abstract: A bundling strap for bundling various objects, such as newspapers (40). The strap consists of a tongue (2) (optional) on one end the strap, a locking portion (16) on the other end of the strap, a serrated portion (6) located between the tongue (2) and locking portion (16), and a smooth section (10) between the locking portion (16) and the tongue (2). The serrated portion has teeth (5 and 8) on both of its longitudinal sides, and the serrated portion has a pair of parallel holes (22 and 23) which are in line with the teeth, so that the teeth (5 and 8) can be inserted into the respective holes (22 and 23). The locking portion (16) has two bendable flaps (18 and 20). The flap (18) has a longitudinal slot (34) and the flap (20) is formed with a pointed tab (30). Bendable ears (32 and 33 ) are formed on the tab (30). In order to tie an object, such as the bundle (40), it is placed on section (10) of the bundling strap, which is laid flat on the ground.
    Type: Grant
    Filed: July 23, 1991
    Date of Patent: May 18, 1993
    Inventor: John W. Hellwig