Patents by Inventor Harry C. Tritapoe

Harry C. Tritapoe 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).

  • Anchor bolt installation method
    Patent number: 5397202
    Abstract: An improved method of installing tensional anchor bolts or cable bolts into a geological or man made formation by preheating anchor bolts or cables prior to inserting them into a borehole, mixing the bonding material within the borehole by rotating the bolt and allowing curing of the bonding material prior to the cooling of the bolt, thereby placing the bolt under tension and the formation into compression, is provided.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: March 14, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Samuel E. Shrader, Harry C. Tritapoe