Patents by Inventor Christopher J. Kmetko

Christopher J. Kmetko 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 systems and apparatus
    Patent number: 5601713
    Abstract: A filter and a filter and valve assembly primarily intended for use in fluid analyzer systems for particulate or coalescing filtration of fluids includes a filter assembly having a base element with all port openings in the base and with the port openings arranged so that the assembly can be mounted in a variety of selected positions. An integrally valved filter assembly is also disclosed and is provided with a rotary valve that can control flow between a filter chamber and multiple supply and/or discharge ports.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: February 11, 1997
    Assignee: Nupro Company
    Inventors: Donald P. Mayeaux, James E. Gotch, Christopher J. Kmetko