Stemmann-Technik GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 274
 
  
 
B63J AUXILIARIES ON VESSELS29
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9180954 Power supply deviceFeb 23, 12Nov 10, 15[B63J, E02B]
6796410 Arrangement for relative displacement of a current collector relative to a trolley wireJan 24, 03Sep 28, 04[B60L]
6480348 Arrangement for the contactless transmission of optical dataDec 18, 00Nov 12, 02[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8499910 Device for transmitting electrical energyExpiredNov 09, 09Aug 06, 13[B60L]
2012/0091,410 WINDING DRUM AND METHOD FOR OPERATING A WINDING DRUMAbandonedApr 19, 11Apr 19, 12[B66D, B66C]
6162993 Signal conductorExpiredSep 03, 98Dec 19, 00[H01B]
5399094 Device for digital data transmissionExpiredMar 16, 94Mar 21, 95[H01R]

Top Inventors for This Owner

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