Patents by Inventor Sten B. G. Bengtsson

Sten B. G. Bengtsson 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).

  • Electrically heated vehicle seat and a method of manufacturing it
    Patent number: 5002335
    Abstract: The disclosure relates to an electrically heated vehicle seat (1) with cover fabric portions (5,6), heating element (7) and padding (4) sewn together with a plurality of first seams (11-16 and 21-26) and second seams (10,19,20,29). The heating element has heating portions separated from each other by the first seams and communication portions which electrically connect to each other the heating portions which have been separated by the first seams. The first seams are sewn through the heating element without crossing the heating portions or communication portions. The second seams are not sewn through the heating element and neither are they sewn through the padding.The disclosure also relates to a method of manufacturing an electrically heated vehicle seat, where cover fabric portions are sewn together with the heating element and padding using a plurality of seams.
    Type: Grant
    Filed: February 8, 1989
    Date of Patent: March 26, 1991
    Assignee: Tocksfors Verkstads AB
    Inventor: Sten B. G. Bengtsson