Patents by Inventor Chris Cranford

Chris Cranford 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).

  • SHEAR AND TENSILE REINFORCEMENT FOR INFLATABLE BOLT
    Publication number: 20180171800
    Abstract: An inflatable rock bolt including an expansion tube, a bushing arranged at each end of the expansion tube, and at least one reinforcing member arranged outside the expansion tube. The at least one reinforcing member includes at least one of a strand extending along the expansion tube or a sleeve at least partially surrounding the expansion tube. A method for reinforcing an inflatable rock bolt.
    Type: Application
    Filed: July 6, 2016
    Publication date: June 21, 2018
    Applicant: Epiroc Canada Inc.
    Inventors: Mike Duffy, Mario Bureau, Chris Cranford