Patents by Inventor Sven E. Stenfors

Sven E. Stenfors 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).

  • Reinforced cylinder head
    Patent number: 5463989
    Abstract: A cast cylinder head of light metal incorporates a reinforcement made of a stronger material than the light metal. The reinforcement consists of a relatively narrow elongated steel plate (6) which stretches in a single piece along all the cylinders. The elongated steel plate (6) is provided with transverse arms (8) which stretch out approximately perpendicularly from the steel plate between the valve port apertures (3a, 4a, 5a, 6a) of each cylinder.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: November 7, 1995
    Assignee: Saab Automobile Aktiebolag
    Inventors: Lars Saaf, Sven E. Stenfors