Patents by Inventor John C. Kostecki

John C. Kostecki 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).

  • Agglomerated activated carbon air filter
    Patent number: 5332426
    Abstract: A self-supporting filter of adsorbent particles is provided by agglomerating the adsorbent particles with a thermoplastic binder and forming a self-supporting filter with a low pressure drop and high efficiency suitable for use as an automotive cabin filter.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: July 26, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Yuan-Ming Tang, John C. Kostecki, Eric G. Graeve