Patents by Inventor Jan-Piotr Stawowski

Jan-Piotr Stawowski 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: 5884812
    Abstract: An economical and ergonomical three-part tube squeezer for collapsible tubes containing viscous fluids, the squeezer including an elliptically shaped housing, a shaft rotatably mounted in the housing and having a longitudinal slot therethrough to receive the end of a tube and wind the tube therearound, a key outside the housing on an end of the shaft, for winding the shaft, and a removable (friction-fit or threaded) locking piece on the other end of the shaft, outside the housing, for holding the structure in assembly. The tube squeezer is self-standing and operated while in the standing position or held in one's hand. The tube squeezer rolls up the collapsible tube by the key to dispense the viscous fluid contents upwardly when in the standing position. The tube squeezer can be disposed with the collapsible tube or reused with another tube.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: March 23, 1999
    Inventor: Jan-Piotr Stawowski