Patents by Inventor Malcolm George Tomlin

Malcolm George Tomlin 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).

  • Underground roadway or tunnel support
    Patent number: 4120164
    Abstract: A method and apparatus is provided for supporting an underground mine roadway or tunnel having a series of spaced rigid support members installed along the roadway or tunnel, the rigid support members being erected in turn adjacent to newly exposed mine or rock surface as the roadway or tunnel is extended. Deformable bags are arranged between the rigid support members and the adjacent mine or rock surface. In addition deformable limbs extend from the last installed support towards the next support to be erected, the bags and the containers being filled with flowable material including cement and a conveying medium.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: October 17, 1978
    Assignee: Coal Industry (Patents) Limited
    Inventor: Malcolm George Tomlin