Patents by Inventor Leonard A. Koniewicz

Leonard A. Koniewicz 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: 5954280
    Abstract: A shredder has a cutting cylinder with a cutting shaft and a plurality of spaced-apart cutter disks mounted on the cutting shaft. The shredder also has an articulated top blocker rotatably mounted above the center axis of the cutting shaft.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: September 21, 1999
    Assignee: Fellowes Manufacturing Company
    Inventors: Bruce R. Kroger, Leonard A. Koniewicz
  • Patent number: 5542718
    Abstract: An adjustable plumbing conduit for connecting the inlet of a flush valve body and the outlet of a control valve wherein the flush valve body inlet has interior threads and the control valve outlet has exterior threads. The adjustable plumbing conduit includes an adjustable tail having an exterior thread on a portion thereof and a tapered nose which is in contact with an interior mating surface on the control valve outlet. There is an outward projection on the adjustable tail adjacent the tapered nose, which outward projection coacts with an inwardly directed shoulder of a coupling nut which is threaded onto the exterior of the control valve inlet and thereby holds the adjustable tail to the control valve. There is a sleeve having interior and exterior threads, with the interior threads attaching the sleeve onto the exterior of the adjustable tail and the exterior threads attaching the sleeve into the flush valve threaded inlet.
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: August 6, 1996
    Assignee: Sloan Valve Company
    Inventors: Jerry P. Gronwick, Leonard A. Koniewicz