Patents by Inventor Robert W. Gutekunst

Robert W. Gutekunst 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).

  • Shrinkage reduction of blow molded oriented pet bottle
    Patent number: 4411610
    Abstract: A process and apparatus for heat setting side walls of biaxially oriented thermoplastic resin containers to reduce shrinkage of the container and container treated by the process. Heating is by infrared radiation while shielding portions of the container. The apparatus comprises container handling systems to provide a fully automated system capable of being incorporated in present container production lines.
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: October 25, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Wassily Poppe, Charles F. Craddock, Robert W. Gutekunst, Robert G. Ladd, Sue A. Mager
  • Shrinkage reduction of blow molded oriented pet bottle
    Patent number: 4260567
    Abstract: A process and apparatus for heat setting side walls of biaxially oriented thermoplastic resin containers to reduce shrinkage of the container and container treated by the process. Heating is by infrared radiation while shielding portions of the container. The apparatus comprises container handling systems to provide a fully automated system capable of being incorporated in present container production lines.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: April 7, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Wassily Poppe, Charles F. Craddock, Robert W. Gutekunst, Robert G. Ladd, Sue A. Mager