Patents by Inventor Riesen van

Riesen van 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).

  • Device for adjusting safety belt length
    Patent number: 4909456
    Abstract: A device for adjusting the belt length in a safety belt system comprises a frame and a winder element rotatably journalled thereon, from which the belt may be unreeled, upon actuation of a key, against the force of a spring and on to which it may be wound again automatically by the force of this spring. To ensure the immobilization of the belt at its required length, the winder element interengages with a lock releasable by the key.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: March 20, 1990
    Assignee: Van Riesen & Co.
    Inventor: Riesen van