Patents by Inventor Peter Ruppert

Peter Ruppert 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: 5286072
    Abstract: In a pipe connection, in particular for plastic pipes and hoses (2, 9), having a support portion (6) disposed in the interior of the pipe to be connected, and a clamping means (4, 5, 21, 22) which is provided on the outside of the pipe and which comprises a sealing portion (4) and a pressure-applying portion (5), the sealing portion (4) is made from a yielding material, preferably plastic material, and the pressure-applying portion (5) comprises metal, the pressure-applying portion (5) externally surrounding the sealing portion (4).
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: February 15, 1994
    Inventors: Hans-Peter Ruppert, Ernst Wendorff