Patents by Inventor Roland P. Howe

Roland P. Howe 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).

  • Magnetic separation method
    Patent number: 5458785
    Abstract: Biological assay systems often involve suspending magnetically attractable particles in a liquid, and later bringing down the particles from suspension and separating the formed pellet from the supernatant liquid. The invention provides magnetic systems for this purpose, shaped to form an annular or part-annular pellet close to the bottom of the vessel. The systems are suitable for automation.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: October 17, 1995
    Assignee: Amersham International plc
    Inventors: Roland P. Howe, Michael A. Reeve, Daniel Bischof