LA

Ludger Alfes

SA Siemens Aktiengesellschaft: 8 patents #1,429 of 22,248Top 7%
MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
📍 Dorsten, DE: #15 of 217 inventorsTop 7%
Overall (All Time): #566,601 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10337520 Fluid energy machine having a tandem dry gas seal 2019-07-02
D810785 Concentric shoveled manifold Wolfgang Freund 2018-02-20
D810140 Concentric shoveled manifold Wolfgang Freund 2018-02-13
9568014 Gas system for compressing a process gas Klaus Eisele, Thomas Mönk, Markus Reinhold, Axel Spanel 2017-02-14
8985587 Shaft seal for a turbomachine Wolfgang Zacharias 2015-03-24
8714907 Arrangement comprising a shaft seal 2014-05-06
8647052 Arrangement comprising a shaft seal Dirk Grieshaber 2014-02-11
8529217 Method for operating a compressor device and associated compressor device Wolfgang Zacharias 2013-09-10
4899850 Lubricating device for a turbomachine Walter Koller 1990-02-13