Patents by Inventor Erwin Krammer

Erwin Krammer 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).

  • Apparatus for screw-coupling two heavy weight components having a common vertical axis
    Patent number: 5016422
    Abstract: Apparatus to screw heavy lids very sensitively on thick-walled receptacles n order to avoid damaging the threads includes a stationary member centered on the receptacle and of an axially movable platform which is guided such that torques can be transmitted and the common axis always remains the same. Resilient members of adjustable length transmit mass forces in vertical direction exactly on the stationary member and prevent additional forces from acting on the flanks of the threads.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: May 21, 1991
    Assignee: Deutsche Gesellschaft fur Wiederaufarbeitung Von Kernbrennstoffen mbH
    Inventors: Franz-Wolfgang Popp, Erwin Krammer, Wolfgang Genannt, Dietmar Flehr