Patents by Inventor Otto Weitz

Otto Weitz 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).

  • Seed sowing mechanism
    Patent number: 4148266
    Abstract: A mechanism for sowing seeds having a seed supply device which is carried by a sower frame. Front and rear wheels for supporting the frame are carried by arms pivotally coupled to the frame, which arms include lever arm appendages which are coupled together by a coupling rod of variable length pivotally coupled at opposite ends thereof to the lever arm appendages so as to provide for correlated movements of the front and rear arms.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: April 10, 1979
    Assignee: A. J. Troster GmbH & Co. KG
    Inventor: Otto Weitz