Patents by Inventor Lawrence E. Borkowski

Lawrence E. Borkowski 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).

  • Particle separator apparatus
    Patent number: 4062664
    Abstract: An improved multistage particle separator apparatus including a cyclone separator, a linear separator, a pair of vertical channels carrying exit airstreams from said linear separator, and a pair of air filter chambers on each side of said linear separator. A portable multistage separator including integral means for collecting the separated particulate material and for supporting the separator during movement.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: December 13, 1977
    Assignee: NFE International, Ltd.
    Inventors: George T. Dupre, Thomas M. DeMarco, Lawrence E. Borkowski, Harvey Waliczek