Patents by Inventor Soren W. Rasmussen

Soren W. Rasmussen 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).

  • Process and apparatus for the treatment of samples with a succession of liquids
    Patent number: 4358470
    Abstract: Process and apparatus for the staining of biological samples in which fluids of differing specific densities are successively introduced to the samples comprises a closed chamber to receive the samples for treatment, the chamber being provided with flow passages at the top and bottom and is in communication with an under pressure generating device so that fluids may be introduced into the chamber either from the top or the bottom depending upon whether a succeeding fluid is of lesser, or greater, specific density than the preceding fluid.
    Type: Grant
    Filed: December 30, 1980
    Date of Patent: November 9, 1982
    Assignee: LKB-Produkter AB
    Inventor: Soren W. Rasmussen