Topic leaderboard
Steam engine plants & steam accumulators
Ranked by the PatentIndex Score — a 1–99 percentile within F01K · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F01K patents became public in the last 2 years — the current frontier
- 199Adrian Benjamin Bodishbaugh50 patents · 934 citations
- 296Carrie Jeanne Murtland50 patents · 934 citations
- 392Raub Warfield Smith39 patents · 1,124 citations
- 488Benjamin R. Bollinger18 patents · 298 citations
- 583John Setel O'Donnell55 patents · 173 citations
- 679William M. Conlon19 patents · 269 citations
- 775Bao H. Truong16 patents · 105 citations
- 871Yusef Desjardins Ferhani41 patents · 61 citations
- 967Matthieu Jonemann35 patents · 55 citations
- 1063Chiaki Treynor33 patents · 54 citations
- 1158Robert Ratz34 patents · 54 citations
- 1254Brock Alan Forrest13 patents · 105 citations
- 1350Keith Sterling Johnson6 patents · 130 citations
- 1446Sten Kreuger6 patents · 134 citations
- 1542Hideyuki Uechi18 patents · 66 citations
- 1638Laurence Jay Shapiro9 patents · 31 citations
- 1733Frank F. Mittricker8 patents · 81 citations
- 1829Russ Krull7 patents · 26 citations
- 1925Mario Gaia12 patents · 60 citations
- 2021Roberto Bini14 patents · 60 citations
- 2117Barry R. Cole7 patents · 18 citations
- 2213Joseph B. Staubach13 patents · 31 citations
- 238Brian M. Holley6 patents · 33 citations
- 244Andrew Rekret5 patents · 13 citations
- 251Henry Sibenaller5 patents · 13 citations
Active· last 5 yrs
Sustained F01K output across the last 5 years
- 199Robert S. Wegeng10 patents · 1,626 citations
- 296Adrian Benjamin Bodishbaugh50 patents · 934 citations
- 392Carrie Jeanne Murtland50 patents · 934 citations
- 488Philippe Larochelle24 patents · 488 citations
- 583Robert B. Laughlin14 patents · 326 citations
- 679Raub Warfield Smith39 patents · 1,124 citations
- 775Nicholas Cizek10 patents · 194 citations
- 871Miles R. Palmer13 patents · 406 citations
- 967Benjamin R. Bollinger18 patents · 298 citations
- 1063Victor Juchymenko6 patents · 234 citations
- 1158John Setel O'Donnell55 patents · 173 citations
- 1254William M. Conlon19 patents · 269 citations
- 1350Richard Aumann20 patents · 200 citations
- 1446Timothy C. Ernst31 patents · 310 citations
- 1542Bao H. Truong16 patents · 105 citations
- 1638Yusef Desjardins Ferhani41 patents · 61 citations
- 1733Matthieu Jonemann35 patents · 55 citations
- 1829Chiaki Treynor33 patents · 54 citations
- 1925Robert Ratz34 patents · 54 citations
- 2021Jeremy Quentin Keller23 patents · 52 citations
- 2117Brock Alan Forrest13 patents · 105 citations
- 2213Wissam Rached11 patents · 83 citations
- 238Konstantinos Kontomaris8 patents · 132 citations
- 244Keith Sterling Johnson6 patents · 130 citations
- 251Sten Kreuger6 patents · 134 citations
All-time canon
Career PatentIndex Score in F01K
- 199Fermin Viteri15 patents · 2,991 citations
- 296Robert S. Wegeng10 patents · 1,626 citations
- 392Danielle A. Fong26 patents · 911 citations
- 488Stephen E. Crane26 patents · 911 citations
- 583Amirhossein Pourmousa Abkenar16 patents · 828 citations
- 679Kartikeya Mahalatkar19 patents · 722 citations
- 775Todd Bowers19 patents · 722 citations
- 871Yongxi Hou19 patents · 722 citations
- 967Karl E. Stahlkopf21 patents · 785 citations
- 1063Monte K. Drost6 patents · 827 citations
- 1158Motoaki Utamura13 patents · 737 citations
- 1254William S. Rollins, Iii5 patents · 394 citations
- 1350Fawzy T. Abdelmalek8 patents · 964 citations
- 1446Hans Ulrich Frutschi16 patents · 1,137 citations
- 1542Alexander I. Kalina55 patents · 2,715 citations
- 1638Nadav Amir16 patents · 1,055 citations
- 1733Norman L. Dickinson11 patents · 1,022 citations
- 1829Ovidiu Marin7 patents · 706 citations
- 1925Ivan G. Rice16 patents · 1,070 citations
- 2021Harry Brandt4 patents · 1,145 citations
- 2117James Taylor4 patents · 1,145 citations
- 2213Robert Uram10 patents · 805 citations
- 238Uriyel Fisher17 patents · 1,012 citations
- 244Adrian Benjamin Bodishbaugh50 patents · 934 citations
- 251Carrie Jeanne Murtland50 patents · 934 citations
Rising· last 2 yrs
The top-scoring F01K patents made public in the last 2 years
- 199US12110878B2✦ AISystems and methods for generation of electrical power at a drilling rig7 cites · 202475% earned
- 296US12180861B1✦ AISystems and methods to utilize heat carriers in conversion of thermal energy8 cites · 202486% earned
- 392US12135016B2✦ AISystems for generating geothermal power in an organic Rankine cycle operation during hydro5 cites · 202459% earned
- 488US12140124B2Systems and methods for generation of electrical power at a drilling rig5 cites · 202469% earned
- 583US12146475B2Systems and methods for generation of electrical power in an organic rankine cycle operati5 cites · 202472% earned
- 679US12104553B2Systems and methods utilizing gas temperature as a power source7 cites · 202463% earned
- 775US12305624B2Modular mobile heat generation unit for generation of geothermal power in organic rankine 3 cites · 202463% earned
- 871US12352207B1Aircraft gas turbine engine including a steam system3 cites · 202580% earned
- 967US11988137B1Auxiliary boiler system for steam injection cycle engine4 cites · 202475% earned
- 1063US12018594B2Pericritical fluid systems for turbine engines4 cites · 202482% earned
- 1158US12158088B2Thermal energy storage system with radiation cavities2 cites · 202438% earned
- 1254US12358792B2Systems and methods for producing hydrogen with integrated capture of carbon dioxide2 cites · 202558% earned
- 1350US12480719B2Thermal energy storage system for simple and combined cycle power generation1 cites · 202567% earned
- 1446US12221905B1Turbine engine including a steam system3 cites · 202580% earned
- 1542US12078084B1Increased water heat absorption capacity for steam injected turbine engine2 cites · 202467% earned
- 1638US12338751B2Centrifugal water molecular separation2 cites · 202576% earned
- 1733US12168944B1Absorption Carnot battery2 cites · 202476% earned
- 1829US12516613B1Thermal energy storage system coupled with thermal power cycle systems1 cites · 202644% earned
- 1925US12281601B2Heat engine1 cites · 202450% earned
- 2021US12449121B1Air source heat pump system and method of use for industrial steam generation1 cites · 202550% earned
- 2117US12264620B2Attenuated combustion for clean power and hydrogen capture1 cites · 202456% earned
- 2213US11940226B2Thermal energy storage system with phase change material and method of its operation2 cites · 202476% earned
- 238US11982186B1Vapor powered electro-mechanical generator2 cites · 202476% earned
- 244US12303830B2Combustion system having a fuel cell and a carbon capture system1 cites · 202467% earned
- 251US12253010B2Flare and gas powered system1 cites · 202467% earned
Active· last 5 yrs
The top-scoring F01K 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
- 392US11480160B1✦ AIHybrid solar-geothermal power generation system48 cites · 202292% earned
- 488US11486370B2Modular mobile heat generation unit for generation of geothermal power in organic Rankine 37 cites · 202282% earned
- 583US11293414B1Systems and methods for generation of electrical power in an organic rankine cycle operati46 cites · 202281% earned
- 679US11809153B1System for optimizing thermal energy generation from multiple energy sources34 cites · 202387% earned
- 775US11994347B2Systems for managing thermal energy within a thermal storage solution32 cites · 202286% earned
- 871US11274660B2Systems and methods for the capture of heat energy, long-distance conveyance, storage, and40 cites · 202191% earned
- 967US11421663B1Systems and methods for generation of electrical power in an organic Rankine cycle operati27 cites · 202283% earned
- 1063US11255576B2Closed loop energy production from producing geothermal wells45 cites · 202192% earned
- 1158US11603776B2Energy storage system and applications31 cites · 202266% earned
- 1254US11168673B2Geothermal energy recovery process with selective recirculation40 cites · 202191% earned
- 1350US11808209B1Aftercooler exhaust duct protection17 cites · 202389% earned
- 1446US11905934B2Systems and methods for generation of electrical power at a drilling rig16 cites · 202380% earned
- 1542US11459944B2Ultra-high temperature thermal energy storage system36 cites · 202191% earned
- 1638US11326479B2Systems and methods for the capture of heat energy, long-distance conveyance, storage, and40 cites · 202291% earned
- 1733US11480074B1Systems and methods utilizing gas temperature as a power source18 cites · 202275% earned
- 1829US11365652B2High efficiency binary geothermal system40 cites · 202191% earned
- 1925US11493029B2Systems and methods for generation of electrical power at a drilling rig17 cites · 202278% earned
- 2021US11644015B2Systems and methods for generation of electrical power at a drilling rig16 cites · 202284% earned
- 2117US11512257B1Integration of hydrogen-rich fuel-gas production with olefins production plant16 cites · 202289% earned
- 2213US11396826B2Pumped heat energy storage system with electric heating integration19 cites · 202279% earned
- 238US11454167B1Pumped heat energy storage system with hot-side thermal integration18 cites · 202277% earned
- 244US11480067B2Pumped heat energy storage system with generation cycle thermal integration17 cites · 202278% earned
- 251US11286804B2Pumped heat energy storage system with charge cycle thermal integration16 cites · 202278% earned
All-time canon
The defining F01K patents of the whole record
- 199US5811062A✦ AIMicrocomponent chemical process sheet architecture539 cites · 199895% earned
- 296US5724805A✦ AIPower plant with carbon dioxide capture and zero pollutant emissions449 cites · 199895% earned
- 392US4498289A✦ AICarbon dioxide power cycle441 cites · 198595% earned
- 488US6389814B2Hydrocarbon combustion power generation system with CO2 sequestration399 cites · 200188% earned
- 583US3986349AMethod of power generation via coal gasification and liquid hydrocarbon synthesis357 cites · 197691% earned
- 679US5611214AMicrocomponent sheet architecture338 cites · 199794% earned
- 775US4434613AClosed cycle gas turbine for gaseous production336 cites · 198494% earned
- 871US9651032B2Submersible power generators and method of operating thereof328 cites · 201694% earned
- 967US4608818AMedium-load power-generating plant with integrated coal gasification plant307 cites · 198694% earned
- 1063US6170264B1Hydrocarbon combustion power generation system with CO2 sequestration305 cites · 200188% earned
- 1158US6126723AMicrocomponent assembly for efficient contacting of fluid298 cites · 200094% earned
- 1254US5327987AHigh efficiency hybrid car with gasoline engine, and electric battery powered motor288 cites · 199494% earned
- 1350US5932940AMicroturbomachinery287 cites · 199991% earned
- 1446US6148602ASolid-fueled power generation system with carbon dioxide sequestration and method therefor277 cites · 200094% earned
- 1542US6637183B2Semi-closed brayton cycle gas turbine power systems263 cites · 200286% earned
- 1638US4896499ACompression intercooled gas turbine combined cycle262 cites · 199094% earned
- 1733US6910335B2Semi-closed Brayton cycle gas turbine power systems251 cites · 200486% earned
- 1829US4271664ATurbine engine with exhaust gas recirculation251 cites · 198194% earned
- 1925US7043920B2Hydrocarbon combustion power generation system with CO2 sequestration249 cites · 200487% earned
- 2021US6107693ASelf-contained energy center for producing mechanical, electrical, and heat energy246 cites · 200091% earned
- 2117US5517822AMobile congeneration apparatus including inventive valve and boiler236 cites · 199691% earned
- 2213US5457951AImproved liquefied natural gas fueled combined cycle power plant235 cites · 199594% earned
- 238US5345756APartial oxidation process with production of power234 cites · 199494% earned
- 244US4528811AClosed-cycle gas turbine chemical processor230 cites · 198594% earned
- 251US5937652AProcess for coal or biomass fuel gasification by carbon dioxide extracted from a boiler fl227 cites · 199994% earned
Rising· last 2 yrs
Assignees whose newest F01K patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC386 patents · 8,095 citations
- 296ICE THERMAL HARVESTING LLC51 patents · 934 citations
- 392MITSUBISHI HEAVY IND LTD127 patents · 1,621 citations
- 488TOSHIBA KK72 patents · 1,273 citations
- 583MALTA INC42 patents · 532 citations
- 679SAUDI ARABIAN OIL CO98 patents · 515 citations
- 775AIR LIQUIDE16 patents · 414 citations
- 871ROLLS ROYCE PLC15 patents · 140 citations
- 967RONDO ENERGY INC55 patents · 65 citations
- 10638 RIVERS CAPITAL LLC31 patents · 176 citations
- 1158HEAT SOURCE ENERGY CORP8 patents · 130 citations
- 1254KREUGER STEN6 patents · 134 citations
- 1350BOEING CO8 patents · 87 citations
- 1446RAYTHEON TECH CORP13 patents · 56 citations
- 1542FUJI ELECTRIC CO LTD9 patents · 41 citations
- 1638MITSUBISHI HEAVY IND COMPRESSOR CORP14 patents · 27 citations
- 1733HIGHVIEW ENTPR LTD8 patents · 23 citations
- 1829GENERAL ELECTRIC TECHNOLOGY GMBH33 patents · 30 citations
- 1925MITSUBISHI POWER AMERICAS INC17 patents · 17 citations
- 2021HAMILTON SUNDSTRAND CORP12 patents · 22 citations
- 2117ANTORA ENERGY INC3 patents · 66 citations
- 2213HYUNDAI MOTOR CO LTD18 patents · 16 citations
- 238THE ABELL FOUND INC6 patents · 9 citations
- 244HOLTEC INTERNATIONAL4 patents · 20 citations
- 251ISUZU MOTORS LTD8 patents · 12 citations
Active· last 5 yrs
Sustained F01K output across the last 5 years
- 199BATTELLE MEMORIAL INSTITUTE14 patents · 1,755 citations
- 296GEN ELECTRIC386 patents · 8,095 citations
- 392ICE THERMAL HARVESTING LLC51 patents · 934 citations
- 488MITSUBISHI HEAVY IND LTD127 patents · 1,621 citations
- 583TOSHIBA KK72 patents · 1,273 citations
- 679MALTA INC42 patents · 532 citations
- 775ECHOGEN POWER SYSTEMS LLC17 patents · 981 citations
- 871SAUDI ARABIAN OIL CO98 patents · 515 citations
- 967AIR LIQUIDE16 patents · 414 citations
- 1063SIEMENS AG149 patents · 1,798 citations
- 1158HONDA MOTOR CO LTD24 patents · 549 citations
- 1254JUCHYMENKO VICTOR6 patents · 234 citations
- 1350CONLON WILLIAM M11 patents · 239 citations
- 1446UNITED TECHNOLOGIES CORP13 patents · 255 citations
- 1542SIEMENS ENERGY INC16 patents · 222 citations
- 1638US NAVY12 patents · 232 citations
- 1733ROLLS ROYCE PLC15 patents · 140 citations
- 1829RONDO ENERGY INC55 patents · 65 citations
- 1925ORCAN ENERGY AG15 patents · 169 citations
- 20218 RIVERS CAPITAL LLC31 patents · 176 citations
- 2117CUMMINS INC23 patents · 172 citations
- 2213X DEV LLC6 patents · 166 citations
- 238HONEYWELL INT INC6 patents · 151 citations
- 244CHEMOURS CO FC LLC7 patents · 132 citations
- 251HEAT SOURCE ENERGY CORP8 patents · 130 citations
All-time canon
All-time PatentIndex Score in F01K
- 199CLEAN ENERGY SYSTEMS INC19 patents · 3,651 citations
- 296BATTELLE MEMORIAL INSTITUTE14 patents · 1,755 citations
- 392FONG DANIELLE A12 patents · 660 citations
- 488GEN ELECTRIC386 patents · 8,095 citations
- 583HITACHI LTD129 patents · 3,495 citations
- 679WESTINGHOUSE ELECTRIC CORP166 patents · 5,923 citations
- 775TEXACO INC17 patents · 1,160 citations
- 871ORMAT IND LTD38 patents · 2,164 citations
- 967ICE THERMAL HARVESTING LLC51 patents · 934 citations
- 1063DIPAC ASSOCIATES6 patents · 615 citations
- 1158RICE IVAN G15 patents · 966 citations
- 1254ALSTOM TECHNOLOGY LTD86 patents · 1,048 citations
- 1350KALINA ALEXANDER IFAEVICH21 patents · 1,096 citations
- 1446AIR PROD & CHEM26 patents · 1,470 citations
- 1542MASSACHUSETTS INST TECHNOLOGY7 patents · 722 citations
- 1638KRAFTWERK UNION AG18 patents · 817 citations
- 1733MITSUBISHI HEAVY IND LTD127 patents · 1,621 citations
- 1829TOSHIBA KK72 patents · 1,273 citations
- 1925CALIFORNIA ENERGY COMMISSION7 patents · 444 citations
- 2021EXXON RESEARCH ENGINEERING CO7 patents · 598 citations
- 2117HELD TIMOTHY JAMES10 patents · 604 citations
- 2213EXERGY INC8 patents · 655 citations
- 238ORMAT TECHNOLOGIES INC18 patents · 619 citations
- 244ORMAT TURBINES24 patents · 807 citations
- 251MALTA INC42 patents · 532 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth