Patents by Inventor J. Erlan Longendelpher

J. Erlan Longendelpher 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).

  • Cement agglomeration
    Patent number: 5454867
    Abstract: A dry, agglomerated cement material, a method of preparing the dry, agglomerated cement material, a method of cementing, and an apparatus for agglomerating particulate materials. The dry, agglomerated cement material comprises a plurality of particles of a cement bonded together by a water-soluble binder material. The dry, agglomerated cement material is prepared by depositing the water-soluble binder material on the particles such that the binder material bonds the particles together. The inventive agglomerated cement material can be conveniently transported by both pneumatic and non-pneumatic means. The method of cementing comprises the step of mixing the agglomerated cement material with water to form a cement slurry.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: October 3, 1995
    Assignee: Halliburton Company
    Inventors: Lance E. Brothers, J. Erlan Longendelpher, Donald W. Lindsey, Frank L. Sands, Kevin D. Edgley