Patents by Inventor Hensel Willi

Hensel Willi 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: 4653806
    Abstract: A chair with adjustable tilt, in which the seat of the chair is mounted with its front end in a pivoting and sliding bearing on a cantilever, the rear end of which is mounted on the chair column. The seat is further connected by a pivoting bearing directly to a backrest carrier. Tilting movement of the backrest carrier takes place against the force of tensioning springs which are connected at one end to engage the cantilever at the pivoting and sliding bearing and at the other end are connected to the seat.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: March 31, 1987
    Assignee: Mauser-Waldeck AG
    Inventor: Hensel Willi