Patents by Inventor Hal K. Jarrell

Hal K. Jarrell 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: 4207017
    Abstract: A unitary liner for an earthen tank fabricated in situ from a multiplicity of fiberglass panels bonded together to form a unitized membrane which is impervious to brine, crude, and drilling mud. The fiberglass panels are prefabricated and rolled into cylinders for delivery to the tank site where field fabrication of the membrane is completed by attaching overlapping edges of the panels to one another to form a seam. The edges are subsequently bonded together by fiberglass cloth and polyester resin. The fiberglass panels are made up of a plurality of sheets of paper and fiberglass cloth bonded together by fiberglass resin. The cylinder is of a configuration which enables it to be easily handled by workmen.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: June 10, 1980
    Inventor: Hal K. Jarrell
  • Patent number: 4125983
    Abstract: A unitary liner for an earthen tank fabricated in insitu from a multiplicity of fiberglass panels bonded together to form a unitized membrane which is impervious to brine, crude and drilling mud. The fiberglass panels are prefabricated and rolled into cylinders for delivery to the tank site where field fabrication of the membrane is completed by attaching overlapping edges of the panels to one another to form a seam. The edges are subsequently bonded together by fiberglass cloth and polyester resin. The fiberglass panels are made up of a plurality of sheets of paper and fiberglass cloth bonded together by fiberglass resin. The cylinder is of a configuration which enables it to be easily handled by workmen.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: November 21, 1978
    Inventor: Hal K. Jarrell