Patents by Inventor Thomas P. Patrosh

Thomas P. Patrosh 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).

  • Chemical flow stream separator
    Patent number: 5086949
    Abstract: An improved plural component dispensing apparatus having a chemical flow stream separator to ensure separation of the isocyanate and polyol plural components is disclosed to permit solventless operation and the cleaning by an aqueous cleaning medium followed by a gaseous drying purge stream to prevent the reaction of water and the isocyanate component.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: February 11, 1992
    Assignee: Olin Corporation
    Inventors: Anthony C. Vulpitta, William P. Dwyer, Thomas P. Patrosh
  • Valving rod with scraper device for foam dispensing apparatus
    Patent number: 5074470
    Abstract: A composite valving rod is provided for use in a foam dispensing apparatus having a low friction plastic sleeve portion that is retained by a steel tip which both maintains the physical dimensions of the plastic sleeve and serves as a scraper when drawn through the bore of the foam dispensing cartridge. The cartridge is all metal.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: December 24, 1991
    Assignee: Olin Corporation
    Inventors: William F. Rosenplanter, John F. Zwirlein, Jr., James R. Noel, Thomas P. Patrosh
  • Static mixer configuration
    Patent number: 5053202
    Abstract: An improved static mixer for use in a plural component dispensing apparatus is disclosed having a spacer intermediate a plurality of mixing elements to enhance the mixing and blending of the plural components. The static mixer may employ an air assist to increase the mixing energy within static mixer.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: October 1, 1991
    Assignee: Olin Corporation
    Inventors: William P. Dwyer, Thomas P. Patrosh