Patents by Inventor Thomas R. Zachmeier

Thomas R. Zachmeier 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).

  • Well boring rigs and spoil handling conveyor apparatus therefor
    Patent number: 4295534
    Abstract: An improved spoil handling conveyor for well boring rigs wherein the conveyor working surface comprises a plurality of endless belts arranged side-by-side to allow the separation of spoil from drilling fluid by drainage therebetween.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: October 20, 1981
    Inventor: Thomas R. Zachmeier