Trinity Flywheel Power

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5729903 Methods of making an anisotropic flywheelAug 28, 95Mar 24, 98[B21D]
5268608 Flywheel-based energy storage and apparatusMar 10, 92Dec 07, 93[H02K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6388347 Flywheel battery system with active counter-rotating containmentExpiredFeb 09, 99May 14, 02[H02K]
2002/0005,672 Control of magnetic bearing - supported rotorsAbandonedJan 22, 01Jan 17, 02[H02K]
6267876 Control of magnetic bearing-supported rotorsExpiredJul 28, 99Jul 31, 01[H02K]
6138527 Methods for making a flywheelExpiredMar 23, 98Oct 31, 00[B21D]
5466977 Methods for producing bearing surfacesExpiredSep 10, 93Nov 14, 95[H02K]
5124605 Flywheel-based energy storage methods and apparatusExpiredJan 11, 91Jun 23, 92[H02K, B60C]

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