Patents by Inventor Friedemann Grupp

Friedemann Grupp 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).

  • Sintered material for a magnetic track brake
    Patent number: 6648108
    Abstract: The invention relates to a sintered material as friction material for a pole shoe, a pole shoe area or at least an area of the pole shoe friction surface of a magnetic track brake (300), more particularly an eddy current brake and/or magnetic track brake with a magnetic basic and/or carrier member.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: November 18, 2003
    Assignees: AlliedSignal Bremsbelag GmbH, Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
    Inventors: Friedemann Grupp, Uwe Kröger, Eckart Saumweber, Wolfgang Schröer, Wolfgang Valentin
  • Sintered material for a magnetic track brake
    Publication number: 20020100648
    Abstract: The invention relates to a sintered material as friction material for a pole shoe, a pole shoe area or at least an area of the pole shoe friction surface of a magnetic track brake (300), more particularly an eddy current brake and/or magnetic track brake with a magnetic basic and/or carrier member.
    Type: Application
    Filed: January 24, 2002
    Publication date: August 1, 2002
    Inventors: Friedemann Grupp, Uwe Kroger, Eckart Saumweber, Wolfgang Schroer, Wolfgang Valentih
  • Sintered material for a magnetic track brake
    Patent number: 6364072
    Abstract: A sintered material is used as a friction material for a pole shoe area of a magnetic track brake, having at least one of a magnetic basic member and a carrier member. The sintered material contains at least one of a proportion of pulverized wear inhibitor and a proportion of powder forming a protective layer.
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: April 2, 2002
    Assignees: AlliedSignal Bremsbelag GmbH, Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
    Inventors: Friedemann Grupp, Uwe Kröger, Eckart Saumweber, Wolfgang Schröer, Wolfgang Valentin