Patents by Inventor Christhoper B. Bortnik

Christhoper B. Bortnik 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).

  • Filter element with foam girdle to secure pleats
    Publication number: 20030047503
    Abstract: A filter element (10) comprises a pleated filter media (34) having spaced apart pleats (40) and an external filter media surface (38) comprising the external peaks of the pleats (40) and a flexible foam filter media sleeve (42) in contact with the external filter media surface (38). The filter media sleeve (42) maintains the spacing between the external peaks of the pleats (40) of the pleated filter media (34).
    Type: Application
    Filed: October 9, 2002
    Publication date: March 13, 2003
    Inventors: Christhoper B. Bortnik, Alexander Kiderman