WB

Winfried Braun

VG Vallourec Deutschland Gmbh: 2 patents #3 of 72Top 5%
MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
VG V & M Deutschland Gmbh: 1 patents #7 of 34Top 25%
Overall (All Time): #1,183,977 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9937540 Piercing mandrel having an improved service life for producing seamless tubes Christian Klempel, Rene Baadjou, Rolf Kümmerling 2018-04-10
9381554 Method for producing seamless hot-rolled pipes in continuous pipe rolling mills Rolf Kümmerling, Christoph Prasser, Gerd Homberg, Frank Hagemann, Gabriel Pereira 2016-07-05
9056341 Method for producing seamless tubes by means of a three-roll bar rolling mill Rolf Kümmerling, Manfred Bellmann, Hidenori Kinugasa, Sasaki Kenichi 2015-06-16
6065320 Caliber contour in a rolling mill roller for tubes Peter Thieven 2000-05-23