Patents by Inventor Carl C. Hartman

Carl C. Hartman 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).

  • Publication number: 20100078346
    Abstract: A package or carton is provided that incorporates a cutting edge without the need for a separate cutting element. The front panel of the package has an upper exposed end that is formed into a cutting edge by a plurality of complementary and opposing pair of cutting teeth. The package is especially adapted to hold material that is stored in a roll. A selected length of the material can be separated from the roll by pressing the material against the cutting edge and pulling the length of material thereby cutting the material in a linear fashion. The package of the present invention provides a more economical and environmentally friendly packaging solution with an integral cutting feature.
    Type: Application
    Filed: September 26, 2008
    Publication date: April 1, 2010
    Inventors: Carl C. Hartman, Jeffery L. Evans
  • Patent number: 4007575
    Abstract: Method and apparatus for semi-automatically packing packages being supplied by automatic packaging apparatus at a rapid rate, characterized by the steps of or means for diverting the packages sequentially into one or more chutes; accumulating the packages from all chutes on a gate; transferring the packages from the gate and in a desired position into a receiver; providing clearance in the receiver for a next package or packages transferred from the gate; repeating the above steps until a predetermined number of packages have been accumulated in the receiver and thereafter removing the predetermined number of packages to make room for the next predetermined number of packages.
    Type: Grant
    Filed: March 5, 1975
    Date of Patent: February 15, 1977
    Inventor: Carl C. Hartman
  • Patent number: D370834
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: June 18, 1996
    Assignee: Trinidad/Benham Corp.
    Inventor: Carl C. Hartman