Patents by Inventor Jorge E. Manrique

Jorge E. Manrique 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).

  • Placement of a substantially non-flowable cementitious material in an underground space
    Patent number: 5577865
    Abstract: Method of admixing and placing a substantially non-flowable cementitious material into an underground space, such as a mine shaft or the like. In a preferred embodiment, a cement slurry including about 95% Class F fly ash and about 5% hydraulic cement is admixed with an activator using a high intensity mixer to form a substantially non-flowable cementitious material, wherein the substantially non-flowable material is pumped through a conduit and placed into the underground space. The cementitious material does not flow away from the area of placement.
    Type: Grant
    Filed: July 28, 1995
    Date of Patent: November 26, 1996
    Assignee: Halliburton Company
    Inventors: Jorge E. Manrique, Rodney L. Paugh, Richard L. Moody