MJ

Manfred Janssen

MA Mannesmann Ag: 3 patents #166 of 1,341Top 15%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,051,244 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5956988 Process for heading pipe ends and device for implementing it Andreas Beste, Hansjorg Lipowsky, Jürgen Oswald 1999-09-28
5260522 Double-wall hollow body with interlayer and method for manufacturing same Gerd Vogt, Ulrich Becker 1993-11-09
5221121 Reinforcement element for the body of an automobile Roland Zichner, Ulrich Hoffmann 1993-06-22
4583773 Releasable tubular clamps for the connection of cylindrical or profiled tubes Volker Schmidt, Theodor Bachmann 1986-04-22
4313328 Providing cardan and universal joint-type shafts with gearing Karl Austermann, Volker Schmidt 1982-02-02