Patents by Inventor Knut Gaaseidnes

Knut Gaaseidnes 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).

  • Slurry for cementing, especially cementing of lining pipes in drill holes, and method for production of such a slurry
    Patent number: 4650520
    Abstract: A slurry is disclosed which contains a hardening mixture of water and cement, especially for cementing lining pipes into drilling holes. The slurry comprises a first slurry component comprising a dispersion of a hardening cement slurry in a liquid capable of forming an encapsulating membrane, and a second slurry component comprising a hardenable cement containing mixture. By mixing the first and second slurry components, there is formed a dispersion of membrane encapsulated cement particles in a cement slurry.
    Type: Grant
    Filed: January 25, 1985
    Date of Patent: March 17, 1987
    Inventors: Hans K. Johnsen, Knut Gaaseidnes