Patents by Inventor Lawrence Ptaschek

Lawrence Ptaschek 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).

  • Patent number: 6083441
    Abstract: An elongated tubular structure of plastic strands is bisected along its axis to form open-topped self-supporting half-shells that can be used in cooling towers. The half-shells are stackable and can be transported in densely packed bundles.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: July 4, 2000
    Assignee: NSW Corporation
    Inventors: Lawrence Ptaschek, Everitt Stump, Jr., Charles Boxler
  • Patent number: 5009058
    Abstract: A device and method for baling a plurality of items in a sack-like bale enclosure which includes a conduit for conducting items from a conveyor to a sock-like item receptacle coaxially mounted over an outlet end of the conduit.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: April 23, 1991
    Assignee: NSW Corporation, Inc.
    Inventors: Lawrence Ptaschek, James Bowman, H. William Ferguson, Jr.