FLEXENERGY ENERGY SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 1346
 
  
 
B01D SEPARATION 3131
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 221
 
  
 
F23R GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 227
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C10K PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE116
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8857739 Air-cooled swirlerheadDec 12, 11Oct 14, 14[B05B, F02C, F23R, F02G]
8096132 Air-cooled swirlerheadFeb 20, 08Jan 17, 12[F02C, F02G]
7753975 Fuel compression system with internal reheat for dew point suppressionOct 24, 06Jul 13, 10[B01D]
7442239 Fuel-conditioning skidMar 24, 04Oct 28, 08[B01D]
7365444 Active anti-islanding system and methodNov 27, 06Apr 29, 08[F02N]
7161257 Active anti-islanding system and methodMar 08, 04Jan 09, 07[H02P]
7078825 Microturbine engine system having stand-alone and grid-parallel operating modesJun 18, 03Jul 18, 06[F01D]
7045913 Microturbine engine systemOct 25, 05May 16, 06[H02K]
6968702 Nozzle bolting arrangement for a turbineDec 08, 03Nov 29, 05[F02C]
6895760 Microturbine for combustion of VOCsJul 25, 03May 24, 05[F23R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8322142 Trapped vortex combustion chamberExpiredMay 01, 07Dec 04, 12[F02C]
2012/0160,451 REFOLD HEAT EXCHANGERAbandonedDec 22, 11Jun 28, 12[F28F, B21D]
7959710 System and method for removing water and siloxanes from gasExpiredDec 29, 09Jun 14, 11[B01D]
7645322 System and method for removing water and siloxanes from gasExpiredSep 15, 06Jan 12, 10[B01D]
2008/0142,319 BRAKE ROTOR HAVING CORRUGATED FIN STRUCTUREAbandonedDec 13, 07Jun 19, 08[B23P, B23K, F16D]
2008/0078,178 USE OF EXHAUST IN THERMAL DEVICESAbandonedNov 14, 06Apr 03, 08[F02C]
7089728 Single-piece turbine rotor and pinion gear and manufacturing technique for sameExpiredDec 17, 03Aug 15, 06[F02C]
6991026 Heat exchanger with header tubesExpiredJun 21, 04Jan 31, 06[F28F]
6971227 System and method to stage primary zone airflowExpiredApr 16, 03Dec 06, 05[F02C]
6897578 Integrated microturbine gearbox generator assemblyExpiredDec 08, 03May 24, 05[F02C]
6868897 Dual-density header fin for unit-cell plate-fin heat exchangerExpiredJul 30, 02Mar 22, 05[F28F]
6814537 Interchangeable power turbine cartridge assemblyExpiredSep 24, 02Nov 09, 04[F01D]
6598400 Gas turbine with articulated heat recovery heat exchangerExpiredOct 01, 01Jul 29, 03[F02C]
6499770 Flexible duct for a microturbineExpiredOct 01, 01Dec 31, 02[F16L]
6427764 Heat exchanger having selectively compliant end sheetExpiredJul 13, 01Aug 06, 02[F28D, F28F]

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