Patents by Inventor Willi Keim

Willi Keim 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: 4243493
    Abstract: An improved petroleum distillation process in which methanol is added to the petroleum to be distilled and methanol/hydrocarbon azeotrope is recovered boiling at about 63.degree. C. which can be used as a fuel. The methanol can be derived from natural gas or another fossil fuel source. A methanol crude oil emulsion from a long distance pipeline can be distilled by this process without preliminary treatment.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: January 6, 1981
    Assignee: Mannesmannrohren-Werke A.G.
    Inventors: Kurt Gruber, Willi Keim, Klaus Hentschel
  • Patent number: 4027688
    Abstract: Fossil fuel such as crude oil or coal is transported through a pipe by converting some of the constituents of the fossil fuel, such as natural gas, into methanol. The methanol is then used to form an emulsion with the fossil fuel. The emulsion is transported by pipeline.
    Type: Grant
    Filed: January 22, 1975
    Date of Patent: June 7, 1977
    Assignee: Mannesmannrohren-Werke AG
    Inventors: Kurt Gruber, Willi Keim, Klaus Hentschel