ECHOGEN POWER SYSTEMS, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 2710
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 857
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS470
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 356
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3104
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 225
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 266
 
  
 
B01D SEPARATION 1133
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 154
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 122

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0362,963 PASSIVE ALTERNATOR DEPRESSURIZATION AND COOLING SYSTEMDec 07, 15Dec 21, 17[F01K, F01D]
2017/0130,614 HEAT ENGINE SYSTEM INCLUDING AN INTEGRATED COOLING CIRCUITAug 08, 16May 11, 17[H02K, F01K, F28B, F01D]
2016/0061,055 CONTROL SYSTEM FOR A HEAT ENGINE SYSTEM UTILIZING SUPERCRITICAL WORKING FLUIDMar 12, 14Mar 03, 16[F01D]
2015/0345,341 Heat Engine System with a Supercritical Working Fluid and Processes ThereofJul 20, 15Dec 03, 15[F01K, F01D]
2015/0000,281 AUTOMATED MASS MANAGEMENT CONTROLAug 27, 14Jan 01, 15[F01K, G05D]
2012/0247,455 SOLAR COLLECTOR WITH EXPANDABLE FLUID MASS MANAGEMENT SYSTEMAug 06, 10Oct 04, 12[F24J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9874112 Heat engine system having a selectively configurable working fluid circuitSep 03, 14Jan 23, 18[F01K, F22D]
9863282 Automated mass management controlAug 27, 14Jan 09, 18[F01K, G05D]
9863287 Heat engine system with a supercritical working fluid and processes thereofJul 20, 15Jan 09, 18[H02K, F01K, F02C, F01D]
9816403 Thermal energy conversion methodAug 04, 14Nov 14, 17[F01K]
9759096 Supercritical working fluid circuit with a turbo pump and a start pump in series configurationJul 16, 15Sep 12, 17[F01K, F04D]
9752460 Process for controlling a power turbine throttle valve during a supercritical carbon dioxide rankine cycleJan 27, 14Sep 05, 17[F01K, F01D]
9638065 Methods for reducing wear on components of a heat engine system at startupJan 27, 14May 02, 17[F01K]
9458738 Heat engine and heat to electricity systems and methods with working fluid mass management controlDec 11, 13Oct 04, 16[F01K]
9441504 System and method for managing thermal issues in one or more industrial processesJun 22, 10Sep 13, 16[F01K]
9410449 Driven starter pump and start sequenceDec 11, 13Aug 09, 16[F01K, F22B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0040,557 CHARGING PUMP SYSTEM FOR SUPPLYING A WORKING FLUID TO BEARINGS IN A SUPERCRITICAL WORKING FLUID CIRCUITAbandonedMar 13, 14Feb 11, 16[F01K]
2016/0017,758 MANAGEMENT OF WORKING FLUID DURING HEAT ENGINE SYSTEM SHUTDOWNAbandonedMar 11, 14Jan 21, 16[F01K]
2016/0017,759 CONTROLLING TURBOPUMP THRUST IN A HEAT ENGINE SYSTEMAbandonedMar 12, 14Jan 21, 16[F01K, F04D]
2016/0003,108 HEAT ENGINE SYSTEMS WITH HIGH NET POWER SUPERCRITICAL CARBON DIOXIDE CIRCUITSAbandonedMar 04, 14Jan 07, 16[F01K]
2015/0330,261 Waste Heat Recovery Systems Having Magnetic Liquid SealsAbandonedMay 08, 15Nov 19, 15[F01K, F02G]
2014/0102,098 BYPASS AND THROTTLE VALVES FOR A SUPERCRITICAL WORKING FLUID CIRCUITAbandonedOct 10, 13Apr 17, 14[F01K]

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