VA TECH HYDRO GMBH

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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 717
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7999428 Apparatus for thermomechanical decoupling of the housing and stationary part of a rotating machineAug 14, 08Aug 16, 11[H02K]
7372172 Device and method for the generation of electrical energyJun 03, 04May 13, 08[F03B]
7318700 Spiral pertaining to a turbo-machineNov 15, 04Jan 15, 08[F03B]
7275914 Pelton bucketMar 11, 02Oct 02, 07[F03B]
7094002 Holding apparatus for a dam unit of a dam installation and a method for holding and raising or lowering such a dam unitApr 23, 03Aug 22, 06[E02B]
7067935 Method for regulating the level of a dam installation and dam installation implementing the methodJun 08, 04Jun 27, 06[H02P]
7061135 Device for generation of electrical powerMar 08, 04Jun 13, 06[F03B]
6281597 Hydroelectric installation and method of constructing sameAug 13, 99Aug 28, 01[F03B]
5851340 Process for fastening conductive barsNov 25, 96Dec 22, 98[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8192164 Turbine runner with reduced leakage of servo-oilExpiredJun 06, 05Jun 05, 12[F03B]
7658589 Turbine with tube arrangement and method of preventing detachment of a fluid flowExpiredOct 22, 07Feb 09, 10[F03B]
7284948 Turbine with tube arrangement and method of preventing detachment of a fluid flowExpiredMay 19, 04Oct 23, 07[F03B]
7210908 Hydraulic machine rotorExpiredMar 25, 05May 01, 07[F03B]
7025564 Devices and methods for reducing or eliminating the gap between a stay vane and its corresponding wicket gate as used in turbinesExpiredJan 23, 04Apr 11, 06[F03B]
6930407 Method for producing a hydropower plantExpiredJun 14, 04Aug 16, 05[F03B]
6729843 Partial splitter vane for reaction hydraulic turbineExpiredJan 17, 02May 04, 04[F01D]

Top Inventors for This Owner

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