Patents by Inventor Jerry B. Askin

Jerry B. Askin 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).

  • Apparatus for installing pipeline fill
    Patent number: 6158925
    Abstract: An apparatus for depositing fill material over a pipeline. A wide-track carriage is provided for straddling the pipeline trench, and this includes a shaker screen mechanism for screening aggregate fill material, such as excavated native spoils. The screened fill material is fed into the trench via a pivoting conveyor which is controlled by means of a pivotable and extensible boom. A mix auger is also provided for mixing water and cement with the fill material to form a cementitious Controlled Low Strength Material fill in those installations where this is needed.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: December 12, 2000
    Assignee: Barnard Construction Company, Inc.
    Inventors: Gregory L. Schleining, Jerry B. Askin, Joseph P. Nelson