Patents by Inventor Fredrick Wigström

Fredrick Wigström 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: 7140641
    Abstract: A safety-belt arrangement for use in a motor vehicle has a safety-belt (5), one end of which is connected to a retractor (8), a sensor (11) generates a signal representative of the amount of safety-belt paid-out from the retractor. A force limiter (10) is associated with the retractor to permit safety-belt to be paid-out with a variable force limiting effect. A control arrangement (12) changes the level of force applied by the force limiter (10) in dependence upon the length of safety-belt paid-out from the retractor.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: November 28, 2006
    Assignee: Autoliv Development AB
    Inventors: Anders Ingemarsson, Fredrick Wigström