Patents by Inventor Mark J. Krupka

Mark J. Krupka 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).

  • Device for seeding bacterial cultures to systems to assist in biodegrading waste
    Patent number: 4810385
    Abstract: A device suitable for seeding bacterial cultures to waste flowing through or which has accumulated in a collection system which comprises a porous outer covering member which forms an enclosed package with a source of bacterial cultures contained within said package, said cultures suitable for seeding a collection system as a waste stream flows through the porous covering member of said enclosed package causing the bacteria to be released into said waste stream.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: March 7, 1989
    Assignee: Sybron Chemicals, Inc.
    Inventors: Gary R. Hater, Mark J. Krupka, Lois T. Davis