JB

Johann Biermeier

SA Siemens Aktiengesellschaft: 5 patents #2,766 of 22,248Top 15%
Overall (All Time): #1,063,780 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4780777 Hermetically sealed, two-sided bearing structure for a magnetic disk memory Otto Olbrich, Albert Dierkes 1988-10-25
4739425 Magnetic disk memory comprising a membrane spring-braced bearing of a disk pack which is rotatably mounted at both ends Albert Dierkes, Wilhelm Brand, Otto Olbrich 1988-04-19
4714972 Housing for a magnetic disk memory having a disk pack seat at opposite sides of the disk pack Wilhelm Brand 1987-12-22
4703374 Magnetic disk memory having a disk pack seated at both sides in resiliently-designed housing Otto Olbrich, Albert Dierkes 1987-10-27
4692827 Divided housing for a magnetic disk drive comprising a peripheral sealing ring Heinz Obermayer 1987-09-08