Patents by Inventor Wilhelm Von Allowerden

Wilhelm Von Allowerden 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).

  • Foldable haymaking machine having a plurality of rotors
    Patent number: 4996833
    Abstract: This invention relates to a haymaking machine comprising several tedding and/or windrowing rotors which are connected to a carrying frame having a central section and side sections which are connected to one another. According to the invention, each side section includes three parts each carrying a rotor, and which are connected to one another by pins oriented in the direction of advance of the machine. Each of these parts is movable by an angle of about 90.degree. around a hinge pin with a central section or an adjacent part, so that they may be folded approximately in the shape of an upside-down U.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: March 5, 1991
    Assignee: Kuhn S.A.
    Inventor: Wilhelm Von Allowerden