ELLIOTT TURBOMACHINERY CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
C22C ALLOYS 171
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6712912 Welding method, filler metal composition and article made therefromOct 23, 02Mar 30, 04[C21D, C22C]
RE32042 Stator blade assembly for turbo machinesAug 31, 79Dec 03, 85[B21K]
RE31394 Flexible damped bearing assemblySep 04, 80Sep 27, 83[F16C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5984638 Turbomachine radial impeller vibration constraining and damping mechanismExpiredAug 12, 94Nov 16, 99[F01D]
4976588 Compressor control system to improve turndown and reduce incidents of surgingExpiredMay 31, 90Dec 11, 90[F04B]
4975024 Compressor control system to improve turndown and reduce incidents of surgingExpiredMay 15, 89Dec 04, 90[F04B]
4880449 Compressor seal oil degassing tank vent gas recovery by method of level controlExpiredNov 09, 88Nov 14, 89[B01D]
4819526 Cutting tool and systemExpiredJun 12, 86Apr 11, 89[B23B]
4798047 Particulate collection and cooling in a turbomachineExpiredDec 19, 83Jan 17, 89[F02G]
4793722 Flexible damped bearing assemblyExpiredAug 14, 84Dec 27, 88[F16C]
4749199 Seal assembly including a sealing ring having internal lubricant passagewaysExpiredDec 22, 83Jun 07, 88[F16J]
4746230 Tilt pad journal bearingExpiredFeb 17, 84May 24, 88[F16C]
4689920 Slitting toolExpiredAug 18, 86Sep 01, 87[B24B]
4679399 Protection system for steam turbines including a superheat monitorExpiredSep 13, 85Jul 14, 87[F01K]
4646411 Assembly for mounting and removing a hub from a shaftExpiredJul 03, 85Mar 03, 87[E21B]
4643637 Remote operated turning gear engagerExpiredSep 13, 85Feb 17, 87[F16H, F01D]
4621931 Method apparatus using a cavitating venturi to regulate lubricant flow rates to bearingsExpiredDec 19, 83Nov 11, 86[F16C]
4610066 Apparatus for mounting and removing a hub from a shaftExpiredMay 16, 84Sep 09, 86[B23P]
4586870 Method and apparatus for regulating power consumption while controlling surge in a centrifugal compressorExpiredMay 11, 84May 06, 86[F04D]
4577406 Retracting internal tube cutterExpiredSep 26, 84Mar 25, 86[B23D]
4573870 Solid turbine wheel with guided dischargeExpiredOct 26, 84Mar 04, 86[F01D]
4572663 Method and apparatus for selectively illuminating a particular blade in a turbomachineExpiredDec 22, 83Feb 25, 86[G01P]
4564084 Method and apparatus for controlling the temperature of oil in an overhead tankExpiredMar 22, 84Jan 14, 86[F01M]

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