Patents by Inventor Thomas D. Rohr

Thomas D. Rohr 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).

  • Multiple folded plastic bag method
    Patent number: 4151787
    Abstract: A "U" folded side-welded bag having a multiplicity of folds for packaging within a carton with the open top end of the bag terminating at the outermost fold, formed by introducing an off-center fold transverse to the longitudinal axis of the bag and winding the bag into a roll starting from such off-center fold line. Thereafter, the rolled bag is flattened and folded into a final "U" fold form. A number of such folded bags are stacked in a carton having an access opening with the top end of each bag aligned with the access opening.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: May 1, 1979
    Assignee: Union Carbide Corporation
    Inventors: Thomas D. Rohr, Charles E. Van Ness, Robert W. Wolfe
  • Packaging container
    Patent number: D269068
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: May 24, 1983
    Assignee: Union Carbide Corporation
    Inventors: Lehman A. Mann, Sr., Thomas D. Rohr