Patents by Inventor Stefan Kreczik

Stefan Kreczik 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).

  • Arrangement for connecting two pipe ends
    Patent number: 4433861
    Abstract: A pipe connecting arrangement involves two pipes of different diameters which are inserted into one another with radial play. The radial space between the two pipes is filled with a packing sleeve and the connection is completed by one or two U-shaped tension hoops inserted through one or two slots in the larger diametered pipe and engaging the packing sleeve.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: February 28, 1984
    Inventor: Stefan Kreczik