Patents by Inventor Leszek T. Gawronski

Leszek T. Gawronski 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).

  • Bulk container valve
    Patent number: 6499721
    Abstract: There is disclosed herein a bulk container valve for use with a bulk container having a tubular spout. The valve comprises a one piece plastic housing having an interior chamber connecting a front port to a rear port. The housing includes a rear fitting about the rear port for connection to the spout, in use, and a front fitting about the front port. A one piece plastic cylindrical valve element is rotationally supported in the interior chamber of the housing for movement between a valve open position and a valve closed position. The valve element includes a handle for selective rotation of the valve element. A collar secures the valve element to the housing to maintain the valve in assembled condition.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: December 31, 2002
    Inventors: Michael D. Stolzman, Leszek T. Gawronski
  • Bulk container valve
    Publication number: 20020109119
    Abstract: There is disclosed herein a bulk container valve for use with a bulk container having a tubular spout. The valve comprises a one piece plastic housing having an interior chamber connecting a front port to a rear port. The housing includes a rear fitting about the rear port for connection to the spout, in use, and a front fitting about the front port. A one piece plastic cylindrical valve element is rotationally supported in the interior chamber of the housing for movement between a valve open position and a valve closed position. The valve element includes a handle for selective rotation of the valve element. A collar secures the valve element to the housing to maintain the valve in assembled condition.
    Type: Application
    Filed: February 12, 2001
    Publication date: August 15, 2002
    Inventors: Michael D. Stolzman, Leszek T. Gawronski