Patents by Inventor David J. Van Bramer

David J. Van Bramer 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).

  • Safe handling of tetrafluoroethylene
    Patent number: 5345013
    Abstract: Tetrafluoroethylene is made safe (non-explosive) to handle by forming a liquid solution of tetrafluoroethylene and carbon dioxide, one in the other, in a pressurized container.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: September 6, 1994
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: David J. Van Bramer, Mark B. Shiflett, Akimichi Yokozeki