Patents by Inventor John Berbaum

John Berbaum 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).

  • METHOD OF PRODUCING COLLAGENASE
    Publication number: 20240110171
    Abstract: The present invention relates to the fields of collagenase production and collagenase products, and particularly to improving the reproducibility, purity, and stability of collagenase I and collagenase II compositions, where the compositions are pure to at least 95% by area as measured by reverse phase high pressure liquid chromatography (RP-HPLC) and essentially free of neutral protease.
    Type: Application
    Filed: February 15, 2023
    Publication date: April 4, 2024
    Inventors: Christine A. Sheaffer, Michael Berbaum, John Hanna, Jason Dziadosz, Daniel Shanafelt
  • Variable speed bi-directional planetary grinding or polishing apparatus
    Patent number: 5697832
    Abstract: This invention relates to a planetary grinding or polishing machine wherein the outer ring gear, the upper platen, and the lower platen are independently rotatable in the clockwise or counterclockwise directions at variable speeds. Such grinding or polishing is especially useful in high precision finishing of aluminum, nickel plated, and ceramic substrates where uniform and non-uniform surface finishes are required from surface-to-surface in the workpiece.
    Type: Grant
    Filed: October 18, 1995
    Date of Patent: December 16, 1997
    Assignee: Cerion Technologies, Inc.
    Inventors: David Greenlaw, William A. Hughes, Terry Hickman, John Berbaum, Clyde Marchand