Voith Siemens Hydro Power Generation, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 321
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 263
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS272

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6524063 Hydraulic turbine for enhancing the level of dissolved gas in waterJun 19, 01Feb 25, 03[F04D]
6454533 Hollow blade for hydraulic turbine or pumpDec 05, 00Sep 24, 02[F01D]
6402477 Adjustable blade turbinesNov 28, 00Jun 11, 02[F03B]
6254339 Hydro-turbine runnerJun 02, 99Jul 03, 01[F03B]
6247893 Hydraulic turbine for enhancing the level of dissolved gas in waterAug 01, 00Jun 19, 01[F04D]
6164907 Adjustable blade turbinesMay 18, 99Dec 26, 00[F03B]
6155783 Hollow blade for hydraulic turbine or pumpMay 20, 98Dec 05, 00[F01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6864596 Hydrogen production from hydro powerExpiredOct 07, 02Mar 08, 05[H02P]
6841893 Hydrogen production from hydro powerExpiredJun 04, 04Jan 11, 05[H02P]
6490506 Method and apparatus for monitoring hydroelectric facility maintenance and environmental costsExpiredMay 21, 99Dec 03, 02[G05D]
6357389 Control system for enhancing fish survivability in a hydroelectric power generation installationExpiredMar 14, 00Mar 19, 02[A01K, H04B]
6225564 Coil turn insulation system for high voltage machinesExpiredMar 16, 98May 01, 01[H01B]

Top Inventors for This Owner

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