Patents by Inventor Karl Rub

Karl Rub 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).

  • Metal valve housing
    Patent number: 5911407
    Abstract: In the case of cast housing bodies with highly stressed regions of the housing, and in particular in the case of housings for valves with control pistons, the regions of the housings subjected to high stresses are developed as independent parts from a material which withstands the stressing and forms a cast unit together with the housing body.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: June 15, 1999
    Assignee: Mannesmann Rexroth AG
    Inventors: Wolfgang Lukasczyk, Karl Rub