Patents by Inventor Lars Gunnar Valter Luthman

Lars Gunnar Valter Luthman 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).

  • Arrangement for servo-controlled adjustment and turning of an outboard drive
    Patent number: 3958525
    Abstract: In a propelling unit for boats there is an inboard drive motor which via a connection through the stern board of the boat transmits torque to a propeller unit in an outboard drive. The outboard drive is movable relative to the drive motor by means of a worm gear, which is manoeuvered via a servo unit which cooperates with a retainer for selectively locking the position of the outboard drive.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: May 25, 1976
    Assignee: Saab-Scania Aktiebolag
    Inventor: Lars Gunnar Valter Luthman