Patents by Inventor William R. Abell

William R. Abell 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).

  • Patent number: 4277201
    Abstract: A transportable roadway which can be folded layer upon layer on a flat bed ransporter/launcher vehicle and be easily deployed in a swampy or marshy area to provide a temporary roadway during military operations. The roadway comprises a plurality of sections each including an array of edge to edge planks bonded to a flexible membrane or fabric, with adjoining sections being connected by hinges connecting the end planks of each section in such a way that the roadway can be folded for transport and easily deployed from said transporter/launcher, either from the front or rear thereof.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: July 7, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: William R. Abell
  • Patent number: 4129915
    Abstract: A cable tensioning means for use in reinforcing bridges or structural spa The unit is stowed for transport within the confines of the structure and is moved into operating position by a hydraulic leverage system. The reinforcing cable is fixed at each end and is threaded around dual sheaves within the unit. Tension or prestress is introduced to the cable by separation of causing one sheave to move away from the other.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: December 19, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: William R. Abell