Patents by Inventor Mark F. Novakowski

Mark F. Novakowski 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).

  • Publication number: 20090041550
    Abstract: An expansion anchor assembly for a mine roof bolt having a tapered plug, expansion leaves, a bail and a removable holding ring configured to hold the expansion anchor assembly in an assembled position is disclosed. The tapered plug is configured to be threaded onto the mine roof bolt and defines plug channels to encourage symmetrical resin flow past the tapered plug. The bail defines a medial opening through which the mine roof bolt extends.
    Type: Application
    Filed: August 7, 2007
    Publication date: February 12, 2009
    Applicant: JENNMAR CORPORATION
    Inventors: John G. Oldsen, John C. Stankus, Demrey G. Brandon, Mark F. Novakowski, Michael S. Reilley