Patents by Inventor Hans Lucas La Roche

Hans Lucas La Roche 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: 6092766
    Abstract: A surface for contact with a fluid, flowing in a flow direction (A) over the surface, is provided with grooves (1) to prevent flow separations at low, local Reynolds numbers. The grooves extend between an upstream-directed, closed groove entrance and a downstream-directed, open groove exit and are inclined to the flow direction (A), at least in the vicinity of the groove entrance.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: July 25, 2000
    Assignee: Ulrich LaRoche
    Inventors: Ulrich LaRoche, Hans Lucas La Roche