Topic leaderboard
Hot-gas engine plants & waste heat use
Ranked by the PatentIndex Score — a 1–99 percentile within F02G · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F02G patents became public in the last 2 years — the current frontier
- 199Adrian Benjamin Bodishbaugh27 patents · 541 citations
- 296Carrie Jeanne Murtland27 patents · 541 citations
- 392Rodger W. Dyson8 patents · 53 citations
- 488Joshua Tyler Mook26 patents · 28 citations
- 583Michael Robert Notarnicola26 patents · 28 citations
- 679Andrew A. Schnellinger9 patents · 73 citations
- 775Jason M. Sachs7 patents · 136 citations
- 871Andras K. Fekete5 patents · 0 citations
- 967Bryan A. Finseth5 patents · 0 citations
- 1063Christopher L. Barber5 patents · 0 citations
- 1158Douglas R. Adams5 patents · 0 citations
- 1254Donald J. Lucas5 patents · 0 citations
- 1350James R. Lowell5 patents · 0 citations
- 1446Jeffrey W. Kite5 patents · 0 citations
- 1542Shannon Prescott5 patents · 0 citations
- 1638Sajesh Poolathody3 patents · 3 citations
- 1733Vineeth Poulose3 patents · 3 citations
- 1829Vitaliano Russo3 patents · 2 citations
- 1925Nitzan Eliyahu3 patents · 1 citations
- 2021Osamu Sakamoto4 patents · 0 citations
- 2117Jay Stephen Kaufman1 patents · 3 citations
- 2213Ann Grant1 patents · 2 citations
- 238Arne Svensson1 patents · 2 citations
- 244Heije Westberg1 patents · 2 citations
- 251Johan Lennblad1 patents · 2 citations
Active· last 5 yrs
Sustained F02G output across the last 5 years
- 199Adrian Benjamin Bodishbaugh27 patents · 541 citations
- 296Carrie Jeanne Murtland27 patents · 541 citations
- 392Dean Kamen26 patents · 650 citations
- 488Christopher C. Langenfeld39 patents · 798 citations
- 583David M. Berchowitz18 patents · 389 citations
- 679Stanley B. Smith, Iii12 patents · 159 citations
- 775Salvatore C. Scuderi9 patents · 236 citations
- 871Timothy C. Ernst32 patents · 243 citations
- 967Ray Scott Wakeland6 patents · 132 citations
- 1063Glenn William Brown, Jr.5 patents · 130 citations
- 1158Miles R. Palmer5 patents · 130 citations
- 1254Rodney John Allam5 patents · 130 citations
- 1350Prashant Bhat14 patents · 48 citations
- 1446Rodger W. Dyson8 patents · 53 citations
- 1542Robert M. Keolian5 patents · 104 citations
- 1638Aigbedion Akwara25 patents · 28 citations
- 1733Joshua Tyler Mook26 patents · 28 citations
- 1829Kevin Michael Vandevoorde25 patents · 28 citations
- 1925Michael Robert Notarnicola26 patents · 28 citations
- 2021Andrew A. Schnellinger9 patents · 73 citations
- 2117Scott Douglas Waun14 patents · 32 citations
- 2213Bruce Crowder7 patents · 36 citations
- 238Richard Mastanduno7 patents · 36 citations
- 244Subir Roychoudhury7 patents · 36 citations
- 251Jason M. Sachs7 patents · 136 citations
All-time canon
Career PatentIndex Score in F02G
- 199Ronald E. Pelrine28 patents · 7,569 citations
- 296Roy D. Kornbluh27 patents · 7,537 citations
- 392Qibing Pei16 patents · 4,087 citations
- 488Fermin Viteri6 patents · 1,418 citations
- 583Danielle A. Fong20 patents · 732 citations
- 679Edwin P. Berlin, Jr.20 patents · 732 citations
- 775Stephen E. Crane20 patents · 732 citations
- 871Kartikeya Mahalatkar19 patents · 722 citations
- 967Todd Bowers19 patents · 722 citations
- 1063Yongxi Hou19 patents · 722 citations
- 1158Amirhossein Pourmousa Abkenar12 patents · 660 citations
- 1254Karl E. Stahlkopf16 patents · 603 citations
- 1350Joseph S. Eckerle12 patents · 1,981 citations
- 1446Jose P. Joseph7 patents · 2,439 citations
- 1542Robert S. Wegeng5 patents · 1,275 citations
- 1638Lon E. Bell22 patents · 2,105 citations
- 1733Bowie G. Keefer8 patents · 1,152 citations
- 1829Jeffrey E. Surma13 patents · 1,136 citations
- 1925Charles H. Titus12 patents · 996 citations
- 2021Daniel R. Cohn9 patents · 742 citations
- 2117Roy Edward Mcalister7 patents · 876 citations
- 2213Rand H. Hulsing, Ii19 patents · 666 citations
- 238Seajin Oh5 patents · 648 citations
- 244Harry Brandt4 patents · 1,145 citations
- 251James Taylor4 patents · 1,145 citations
Rising· last 2 yrs
The top-scoring F02G patents made public in the last 2 years
- 199US12135016B2✦ AISystems for generating geothermal power in an organic Rankine cycle operation during hydro5 cites · 202459% earned
- 296US12104553B2✦ AISystems and methods utilizing gas temperature as a power source7 cites · 202463% earned
- 392US11946679B1✦ AIExhaust gas heat recovery from cryo-compression engines with cogeneration of cryo-working 3 cites · 202480% earned
- 488US11994086B2System for recovery of energy from a residual gas2 cites · 202476% earned
- 583US12392302B2Thermal oscillation systems1 cites · 202456% earned
- 679US12234789B1Power generation system1 cites · 202556% earned
- 775US12352230B2Direct current power plant0 cites · 20240% earned
- 871US12163490B2Turbocharged compressor0 cites · 20240% earned
- 967US12331679B2Air recuperated engine with air reinjection0 cites · 20240% earned
- 1063US12291989B2System and method for transport vehicles using recyclable fuels0 cites · 20240% earned
- 1158US12104507B2Plant for producing mechanical energy from a carrier fluid under cryogenic conditions0 cites · 20240% earned
- 1254US12523433B2Heat storage device, power generator, and heat generator0 cites · 20250% earned
- 1350US12448963B2Asymmetric gas bearing bushing for thermo-pump0 cites · 20240% earned
- 1446US12571357B1Thermo-magnetic motor0 cites · 20260% earned
- 1542US12092054B1Combined Brayton and Stirling cycle power generator0 cites · 20240% earned
- 1638US12215655B2Internal combustion engine0 cites · 20240% earned
- 1733US12065984B2Biomass energy generator system0 cites · 20240% earned
- 1829US12078066B1Pressure control system for a closed-cycle engine0 cites · 20240% earned
- 1925US12359641B2Method and apparatus for a rotary thermodynamic cycle with substantially isobaric fluid ad0 cites · 20240% earned
- 2021US12577984B2Bearing support for a fluid bearing of a closed-cycle engine0 cites · 20250% earned
- 2117US12480444B2Systems and methods for integrating auxiliary energy and waste heat recovery from gas turb0 cites · 20250% earned
- 2213US12372043B2Stirling engine0 cites · 20250% earned
- 238US12428296B1Process for generating clean power and hydrogen0 cites · 20250% earned
- 244US12158097B2Thermal accumulator assembly0 cites · 20240% earned
- 251US12553672B1Spray-actuated heat engine0 cites · 20260% earned
Active· last 5 yrs
The top-scoring F02G patents of the last 5 years
- 199US11187212B1✦ AIMethods for generating geothermal power in an organic Rankine cycle operation during hydro68 cites · 202177% earned
- 296US11326550B1✦ AISystems and methods utilizing gas temperature as a power source45 cites · 202275% earned
- 392US11480074B1✦ AISystems and methods utilizing gas temperature as a power source18 cites · 202275% earned
- 488US11946679B1Exhaust gas heat recovery from cryo-compression engines with cogeneration of cryo-working 3 cites · 202480% earned
- 583US11365675B2Guiding mechanisms for modular generator set system5 cites · 202177% earned
- 679US11339712B1Bottoming cycle power system4 cites · 202282% earned
- 775US11359558B2Turbine-compressor assembly and method4 cites · 202182% earned
- 871US11485504B2Aircraft power plant with supercritical CO2 heat engine4 cites · 202275% earned
- 967US12000357B2Reciprocating heat engine with hot cylinder head and cold cylinder2 cites · 202376% earned
- 1063US11015489B1Turbine waste heat recovery expander with passive method for system flow control4 cites · 202182% earned
- 1158US11828495B1Solar energy collector and power generation system2 cites · 202376% earned
- 1254US11542892B1Turbocharged compressor3 cites · 202367% earned
- 1350US11346256B1Systems and methods associated with bottoming cycle power systems for generating power, ca3 cites · 202272% earned
- 1446US11598285B2Methods and systems for generating power and thermal management having combined cycle arch3 cites · 202280% earned
- 1542US11073069B1Vehicle thermal management system using two-port type integrated thermal management valve 3 cites · 202180% earned
- 1638US11680517B2Turbine-compressor assembly and method2 cites · 202276% earned
- 1733US11371431B1Thermal management system3 cites · 202280% earned
- 1829US11994086B2System for recovery of energy from a residual gas2 cites · 202476% earned
- 1925US10995697B1Energy generating system for supplying energy to a premises3 cites · 202172% earned
- 2021US11976610B2Constant density heat exchanger and system for energy conversion1 cites · 202333% earned
- 2117US11319864B2Thermal management system and method for hybrid vehicle2 cites · 202176% earned
- 2213US11383977B1Incomplete combustion as a means of reducing carbon dioxide emissions2 cites · 202276% earned
- 238US11753988B2Internal combustion engine configured for use with solid or slow burning fuels, and method2 cites · 202261% earned
- 244US12000663B2Method for heat transfer in the embedded structure of a heat regenerator and the design th2 cites · 202176% earned
- 251US12078123B2Stirling cycle machine1 cites · 202342% earned
All-time canon
The defining F02G patents of the whole record
- 199US6545384B1✦ AIElectroactive polymer devices1,768 cites · 200396% earned
- 296US6583533B2✦ AIElectroactive polymer electrodes1,629 cites · 200293% earned
- 392US5811062A✦ AIMicrocomponent chemical process sheet architecture539 cites · 199895% earned
- 488US6376971B1Electroactive polymer electrodes487 cites · 200292% earned
- 583US5491969APower plant utilizing compressed air energy storage and saturation475 cites · 199692% earned
- 679US6389814B2Hydrocarbon combustion power generation system with CO2 sequestration399 cites · 200188% earned
- 775US6276334B1Premixed charge compression ignition engine with optimal combustion control385 cites · 200195% earned
- 871US5767584AMethod for generating electrical power from fuel cell powered cars parked in a conventiona378 cites · 199894% earned
- 967US6812624B1Electroactive polymers373 cites · 200483% earned
- 1063US6768246B2Biologically powered electroactive polymer generators348 cites · 200194% earned
- 1158US6155212AMethod and apparatus for operation of combustion engines345 cites · 200094% earned
- 1254US6170264B1Hydrocarbon combustion power generation system with CO2 sequestration305 cites · 200188% earned
- 1350US6126723AMicrocomponent assembly for efficient contacting of fluid298 cites · 200094% earned
- 1446US6781284B1Electroactive polymer transducers and actuators294 cites · 200491% earned
- 1542US5327987AHigh efficiency hybrid car with gasoline engine, and electric battery powered motor288 cites · 199494% earned
- 1638US6539725B2Efficiency thermoelectrics utilizing thermal isolation271 cites · 200291% earned
- 1733US4271664ATurbine engine with exhaust gas recirculation251 cites · 198194% earned
- 1829US7043920B2Hydrocarbon combustion power generation system with CO2 sequestration249 cites · 200487% earned
- 1925US7064472B2Electroactive polymer devices for moving fluid242 cites · 200487% earned
- 2021US5172784AHybrid electric propulsion system240 cites · 199294% earned
- 2117US7034432B1Electroactive polymer generators237 cites · 200691% earned
- 2213US5345756APartial oxidation process with production of power234 cites · 199494% earned
- 238US5537813AGas turbine inlet air combined pressure boost and cooling method and apparatus233 cites · 199694% earned
- 244US6598405B2Thermoelectric power generation utilizing convective heat flow232 cites · 200294% earned
- 251US4392362AMicro miniature refrigerators232 cites · 198394% earned
Rising· last 2 yrs
Assignees whose newest F02G patents became public in the last 2 years — the current frontier
- 199ICE THERMAL HARVESTING LLC27 patents · 541 citations
- 296HONDA MOTOR CO LTD51 patents · 1,088 citations
- 392DEKA PRODUCTS LP11 patents · 180 citations
- 488NASA17 patents · 437 citations
- 583ISUZU MOTORS LTD12 patents · 229 citations
- 679TSUIN BADO KOGYO KK6 patents · 36 citations
- 775HYLIION HOLDINGS CORP8 patents · 2 citations
- 871INGERSOLL RAND INDUSTRIAL US INC3 patents · 3 citations
- 967EXENCY LTD3 patents · 1 citations
- 1063KAUFMAN JAY STEPHEN1 patents · 3 citations
- 1158TEXEL TECH AB1 patents · 2 citations
- 1254FETU LTD3 patents · 0 citations
- 1350LANDMARK TECH LIMITED1 patents · 1 citations
- 1446SYLANS SAGL2 patents · 0 citations
- 1542INNIO JENBACHER GMBH & CO OG3 patents · 0 citations
- 1638CIXTEN2 patents · 0 citations
- 1733YANMAR HOLDINGS CO LTD2 patents · 0 citations
- 1829OQAB DIETRICH INDUCTION INC1 patents · 0 citations
- 1925RAYTHEON TECH CORP1 patents · 0 citations
- 2021RTX CORP1 patents · 0 citations
- 2117ANTHONY MICHAEL MARK1 patents · 0 citations
- 2213COTTINGHAM BRENT R1 patents · 0 citations
- 238DOOSAN ENERBILITY CO LTD1 patents · 0 citations
- 244EKSTERA INC1 patents · 0 citations
- 251ENGINE DEV CORP LLC1 patents · 0 citations
Active· last 5 yrs
Sustained F02G output across the last 5 years
- 199CATERPILLAR INC20 patents · 873 citations
- 296GEN ELECTRIC39 patents · 1,079 citations
- 392ICE THERMAL HARVESTING LLC27 patents · 541 citations
- 488NEW POWER CONCEPTS LLC31 patents · 682 citations
- 583HONDA MOTOR CO LTD51 patents · 1,088 citations
- 679DEKA PRODUCTS LP11 patents · 180 citations
- 775NASA17 patents · 437 citations
- 871US NAVY7 patents · 276 citations
- 967PENN STATE RES FOUND9 patents · 190 citations
- 1063ISUZU MOTORS LTD12 patents · 229 citations
- 1158CUMMINS INC25 patents · 152 citations
- 1254LG ELECTRONICS INC11 patents · 168 citations
- 1350FORD GLOBAL TECH LLC29 patents · 162 citations
- 1446HYUNDAI MOTOR CO LTD43 patents · 57 citations
- 1542BAYERISCHE MOTOREN WERKE AG6 patents · 44 citations
- 1638RABHI VIANNEY8 patents · 19 citations
- 1733TRANSP IP HOLDINGS LLC5 patents · 17 citations
- 1829TSUIN BADO KOGYO KK6 patents · 36 citations
- 1925BOEING CO5 patents · 35 citations
- 2021CARRIER CORP4 patents · 61 citations
- 2117HYLIION HOLDINGS CORP8 patents · 2 citations
- 2213PREC COMBUSTION INC4 patents · 15 citations
- 238SCANIA CV AB7 patents · 9 citations
- 244MAHLE INT GMBH11 patents · 8 citations
- 251BOOSTHEAT4 patents · 10 citations
All-time canon
All-time PatentIndex Score in F02G
- 199STANFORD RES INST INT26 patents · 7,507 citations
- 296CLEAN ENERGY SYSTEMS INC5 patents · 1,357 citations
- 392FONG DANIELLE A12 patents · 660 citations
- 488BATTELLE MEMORIAL INSTITUTE10 patents · 1,659 citations
- 583BSST LLC17 patents · 2,008 citations
- 679KEEFER BOWIE7 patents · 1,113 citations
- 775INTEGRATED ENVIRONMENTAL TECHN9 patents · 794 citations
- 871SCUDERI GROUP LLC9 patents · 515 citations
- 967CATERPILLAR INC20 patents · 873 citations
- 1063GEN ELECTRIC39 patents · 1,079 citations
- 1158SUNPOWER INC53 patents · 1,959 citations
- 1254ICE THERMAL HARVESTING LLC27 patents · 541 citations
- 1350ALLIED SIGNAL INC12 patents · 471 citations
- 1446STIRLING TECHNOLOGY CO13 patents · 828 citations
- 1542MECHANICAL TECH INC54 patents · 1,344 citations
- 1638US ENERGY7 patents · 466 citations
- 1733NEW PROCESS IND INC7 patents · 444 citations
- 1829NEW POWER CONCEPTS LLC31 patents · 682 citations
- 1925STIRLING THERMAL MOTORS INC24 patents · 1,079 citations
- 2021HONDA MOTOR CO LTD51 patents · 1,088 citations
- 2117UNIV CALIFORNIA15 patents · 620 citations
- 2213AISIN SEIKI42 patents · 999 citations
- 238ZAJAC OPTIMUM OUTPUT MOTORS IN17 patents · 156 citations
- 244DEKA PRODUCTS LP11 patents · 180 citations
- 251NASA17 patents · 437 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth