AK

Alfred Kais

BG Bwg Butzbacher Weichenbau Gmbh: 11 patents #3 of 16Top 20%
BK Bwg Gmbh & Co. Kg: 1 patents #10 of 15Top 70%
📍 Lich, DE: #3 of 79 inventorsTop 4%
Overall (All Time): #389,240 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6543728 Cross frog Sebastian Benenowski, Stefan Schmedders 2003-04-08
6270018 Track or method for aligning a rail track section Burkhard Zillien, Sebastian Benenowski 2001-08-07
6177205 Process for producing a permanent way component and such a component Gerhard Ratz, Walter Kunitz 2001-01-23
6068196 Expansion joint for part of a railway track Sebastian Benenowski, Hubertus Hohne, Erich Nuding 2000-05-30
5645216 Bearing for a part of a railroad track Sebastian Benenowski, Albrecht Demmig, Hans-Ulrich Dietze, Erich Nuding 1997-07-08
5605281 Rail support system Sebastian Benenowski, Hubertus Hohne, Erich Nuding 1997-02-25
5590833 Expansion joint for part of a railway track Sebastian Benenowski, Hubertus H ohne, Erich Nuding 1997-01-07
5522570 Rail section Sebastian Benenowski, Hubertus Hohne, Erich Nuding 1996-06-04
5222700 Device for locking a switch blade Erich Nuding, Sebastian Benenowski 1993-06-29
5195703 Device for locking a switch blade with a stock rail Erich Nuding, Sebastian Benenowski 1993-03-23
5184791 Frog tip that can be shifted relative to the wing rails Erich Nuding, Sebastian Benenowski 1993-02-09
5158414 Rail attaching device permitting longitudinal rail displacement Erich Nuding, Sebastian Benenowski 1992-10-27
4925135 Arrangement for controlled guidance of a wheel axle or of a bogie of a rail vehicle passing over points Rudiger Ziethen, Sebastian Benenowski, Erich Nuding 1990-05-15