Patents by Inventor Matthijs Matthijsse

Matthijs Matthijsse 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).

  • Device having a balanced pivotable arm
    Patent number: 4296906
    Abstract: A device having an arm which is pivotable around a first axle in a first plane of motion and is counterbalanced by means of a counterweight and wherein the first plane of motion is pivotable around a second axle which is perpendicular to the first axle. In order to permit the use of only one counterweight the counterweight is so coupled to the arm that, on pivoting of the arm, it moves along a straight line located in the first plane of motion, the counterweight and the center of gravity of the arm being on different sides of the second axle.
    Type: Grant
    Filed: September 20, 1979
    Date of Patent: October 27, 1981
    Assignee: U.S. Philips Corporation
    Inventor: Matthijs Matthijsse