Patents by Inventor David M. Weil

David M. Weil 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).

  • Corrosion protective printing cylinder makeready
    Patent number: 4687698
    Abstract: An improved makeready packing for preventing corrosion of cylinders of offset or lithographic printing presses which comprises providing a cylinder surface contacting packing element having a corrosion inhibitor applied thereto in such a manner that the inhibitor will effectively protect the entire surface of the cylinder.
    Type: Grant
    Filed: December 24, 1984
    Date of Patent: August 18, 1987
    Assignee: The Cromwell Paper Company
    Inventors: David M. Weil, Burton E. Lieberman, Ronald F. Adams
  • Ferrous metal corrosion inhibiting sheet material
    Patent number: 4557966
    Abstract: An improved sheet material for corrosion inhibition of the surfaces of packaged ferrous metal products which comprises a sheet material substrate having a vapor phase corrosion inhibitor composition applied as a printed pattern of uniformly distributed spaced - areas of predetermined size occupying about 25% of the total area of the treated sheet and consisting of a total dried weight of about 0.226 to 0.302 grams of the inhibitor composition per square foot of the treated sheet.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: December 10, 1985
    Assignee: The Cromwell Paper Company
    Inventor: David M. Weil