Topic leaderboard
Locomotives & motor railcars
Ranked by the PatentIndex Score — a 1–99 percentile within B61C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B61C patents became public in the last 2 years — the current frontier
- 199Lars Sverker Ture Lindbo10 patents · 113 citations
- 296Robert Stadie10 patents · 113 citations
- 392Christopher Brett8 patents · 104 citations
- 488Matthew Whelan8 patents · 104 citations
- 583Pete Claussen8 patents · 24 citations
- 679Scott Gatewood8 patents · 24 citations
- 775Guy Blotnik6 patents · 5 citations
- 871Antoine Moulin7 patents · 2 citations
- 967Brian J. Dumont5 patents · 6 citations
- 1063Corey T. Pasta5 patents · 6 citations
- 1158Corey D. Wills5 patents · 6 citations
- 1254Dennis W. Morgart5 patents · 6 citations
- 1350James Paul5 patents · 6 citations
- 1446Matthew Fleming5 patents · 6 citations
- 1542Paul K. Gabler5 patents · 6 citations
- 1638Jeremy Jovenall8 patents · 5 citations
- 1733Nadav Laor3 patents · 4 citations
- 1829James Eric Taylor3 patents · 2 citations
- 1925Michael Cleveland3 patents · 2 citations
- 2021Zhicheng Tan3 patents · 2 citations
- 2117Aaron Kevin Lambert2 patents · 2 citations
- 2213Sidarta Fornari Beltramin4 patents · 1 citations
- 238Jeremy R. Pearson2 patents · 1 citations
- 244Michael Thomason2 patents · 1 citations
- 251Todd Burchette2 patents · 1 citations
Active· last 5 yrs
Sustained B61C output across the last 5 years
- 199George Hayduchok14 patents · 733 citations
- 296Robert R. Dewitt14 patents · 733 citations
- 392Lars Sverker Ture Lindbo10 patents · 113 citations
- 488Robert Stadie10 patents · 113 citations
- 583Christopher Brett8 patents · 104 citations
- 679Matthew Whelan8 patents · 104 citations
- 775Brogan Bambrogan13 patents · 78 citations
- 871Joshua Giegel13 patents · 78 citations
- 967Kevin Michael Fisher6 patents · 194 citations
- 1063Brian Joseph Mcmanus7 patents · 42 citations
- 1158Werner Bartling9 patents · 29 citations
- 1254James Glen Corry7 patents · 39 citations
- 1350Frank Wawrzyniak6 patents · 38 citations
- 1446Ralph C. Haddock, Iii7 patents · 25 citations
- 1542William Cherrick Schoonmaker7 patents · 19 citations
- 1638Anthony C. Scoville8 patents · 15 citations
- 1733Bradley M. Andreae8 patents · 15 citations
- 1829Chad Martin Andreae8 patents · 15 citations
- 1925Stephen C. Mann8 patents · 15 citations
- 2021Thomas Michael Lavertu10 patents · 24 citations
- 2117Eric Dillen6 patents · 20 citations
- 2213Benjamin Stuart Stabler7 patents · 17 citations
- 238John Howard7 patents · 17 citations
- 244Matthew Soule7 patents · 17 citations
- 251Pete Claussen8 patents · 24 citations
All-time canon
Career PatentIndex Score in B61C
- 199George Hayduchok14 patents · 733 citations
- 296Robert R. Dewitt14 patents · 733 citations
- 392Nicholas Edward Roddy6 patents · 1,099 citations
- 488Anil Varma5 patents · 894 citations
- 583David Richard Gibson4 patents · 729 citations
- 679Bruce Wolff5 patents · 243 citations
- 775James L. Dippo6 patents · 135 citations
- 871Kris S. Hess6 patents · 135 citations
- 967Timothy L. Erickson6 patents · 135 citations
- 1063Andrew Tarnow5 patents · 219 citations
- 1158Folkert Horst5 patents · 202 citations
- 1254Lars Sverker Ture Lindbo10 patents · 113 citations
- 1350Robert Stadie10 patents · 113 citations
- 1446Christopher Brett8 patents · 104 citations
- 1542Matthew Whelan8 patents · 104 citations
- 1638Gregory A. Marsh7 patents · 179 citations
- 1733Brogan Bambrogan13 patents · 78 citations
- 1829Joshua Giegel13 patents · 78 citations
- 1925Richard J. Renk5 patents · 122 citations
- 2021Robert Moffitt6 patents · 99 citations
- 2117Kevin Pykkonen10 patents · 66 citations
- 2213Victor H. Ames5 patents · 82 citations
- 238Paul Bien7 patents · 113 citations
- 244Myron L. Smith3 patents · 304 citations
- 251Johann Eichinger5 patents · 72 citations
Rising· last 2 yrs
The top-scoring B61C patents made public in the last 2 years
- 199US12365367B1✦ AIBattery powered locomotive1 cites · 202556% earned
- 296US11971326B2✦ AIDynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic l2 cites · 202476% earned
- 392US12397926B2✦ AIVertiport system including transfer unit using rail moving device1 cites · 202567% earned
- 488US12139177B1Energy recovery system for diesel locomotives1 cites · 202467% earned
- 583US12172832B2Apparatus for retrieving units from a storage system0 cites · 20240% earned
- 679US12252338B2Method for turning a rails-mounted lift-robot0 cites · 20240% earned
- 775US12384429B2Vehicle control system and method for implementing safety procedure0 cites · 20240% earned
- 871US12455294B2Pressure sensing probe0 cites · 20240% earned
- 967US12441196B2Auxiliary power controller0 cites · 20240% earned
- 1063US12062691B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, drive d0 cites · 20240% earned
- 1158US12485508B2Devices and tooling system for maintenance of dynamic weight management systems on railroa0 cites · 20240% earned
- 1254US11993297B2Increasing functional safety of locomotives0 cites · 20240% earned
- 1350US12597123B2Rail feature identification system0 cites · 20240% earned
- 1446US12476570B2Electric traction system0 cites · 20240% earned
- 1542US12179809B2Track structure with center rail0 cites · 20240% earned
- 1638US12109858B1Autonomous vehicle for road and rail0 cites · 20240% earned
- 1733US12253156B2Track system with a support member0 cites · 20240% earned
- 1829US12509128B2Control method for train to enter emergency traction mode and train0 cites · 20240% earned
- 1925US12545303B2Vehicle parking control method and apparatus0 cites · 20240% earned
- 2021US12179817B2Hybrid consist tractive effort management0 cites · 20240% earned
- 2117US12552419B2Ammonia cracking for multi-fuel engines0 cites · 20250% earned
- 2213US12402395B2Semiconductor device, inverter circuit, driving device, vehicle, and elevator0 cites · 20240% earned
- 238US12532438B2On-board device0 cites · 20240% earned
- 244US12286146B2Synchronized control messages for starting and stopping independently controlled locomotiv0 cites · 20240% earned
- 251US12420663B1High-energy-efficiency lithium battery monorail hoist locomotive and battery management sy0 cites · 20250% earned
Active· last 5 yrs
The top-scoring B61C patents of the last 5 years
- 199US10961051B1✦ AIApparatus for retrieving units from a storage system28 cites · 202175% earned
- 296US11524709B2✦ AIElectric rail vehicle10 cites · 202273% earned
- 392US11939157B2✦ AIRobotic service device and handling method5 cites · 202377% earned
- 488US11643120B2Independent cart system and method of operating the same7 cites · 202179% earned
- 583US11358175B2Material handling apparatus for delivering or retrieving items6 cites · 202258% earned
- 679US11325624B2Electric rail vehicle6 cites · 202171% earned
- 775US12365367B1Battery powered locomotive1 cites · 202556% earned
- 871US11469301B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, driver 4 cites · 202275% earned
- 967US12084093B2Article transport facility4 cites · 202282% earned
- 1063US11981357B2System and method for vehicle operation4 cites · 202282% earned
- 1158US11807279B2Track structure with hollow center rail usable as ventilation duct2 cites · 202367% earned
- 1254US12103422B2Charge transfer timing system and method2 cites · 202376% earned
- 1350US11971326B2Dynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic l2 cites · 202476% earned
- 1446US11429758B1Automatic creation of models of overhead line structures4 cites · 202282% earned
- 1542US12194889B2Energy management for multi-input propulsion3 cites · 202372% earned
- 1638US11598249B1Methods and systems for multi-fuel engine3 cites · 202380% earned
- 1733US11845483B2Hyperloop continuous control3 cites · 202280% earned
- 1829US11945648B2Method for turning a robot in an array of vertical and horizontal rack-based tracks2 cites · 202251% earned
- 1925US12397926B2Vertiport system including transfer unit using rail moving device1 cites · 202567% earned
- 2021US12246762B2System and method for rail scanning using electromagnetic engines2 cites · 202261% earned
- 2117US11982241B2Methods and systems for multi-fuel engine2 cites · 202367% earned
- 2213US11824083B2Semiconductor device, semiconductor device manufacturing method, inverter circuit, drive d2 cites · 202267% earned
- 238US11905897B2Fuel selection method and related system for a mobile asset2 cites · 202276% earned
- 244US11845474B2Arrangement for a rail vehicle2 cites · 202376% earned
- 251US11359945B2Inspection device and method for subway tunnels based on three-dimensional laser scanning2 cites · 202176% earned
All-time canon
The defining B61C patents of the whole record
- 199US5366036A✦ AIPower stand-up and reclining wheelchair364 cites · 199494% earned
- 296US6343236B1✦ AIMethod and system for analyzing fault log data for diagnostics266 cites · 200294% earned
- 392US7861844B2✦ AIMethod and apparatus for sorting items263 cites · 200880% earned
- 488US6336065B1Method and system for analyzing fault and snapshot operational parameter data for diagnost252 cites · 200294% earned
- 583US6947797B2Method and system for diagnosing machine malfunctions205 cites · 200294% earned
- 679US6401015B1Distributed power and electronic air brake control system for a train and associated metho198 cites · 200294% earned
- 775US5950967AEnhanced distributed power190 cites · 199994% earned
- 871US9809308B2Load transport and restraining devices and methods for restraining loads172 cites · 201794% earned
- 967US6886651B1Material transportation system167 cites · 200594% earned
- 1063US6415395B1Method and system for processing repair data and fault log data to facilitate diagnostics165 cites · 200294% earned
- 1158US9550501B2Vehicle system and method162 cites · 201594% earned
- 1254US5845272ASystem and method for isolating failures in a locomotive160 cites · 199894% earned
- 1350US4344364AApparatus and method for conserving fuel in the operation of a train consist145 cites · 198293% earned
- 1446US6243628B1System and method for predicting impending failures in a locomotive125 cites · 200193% earned
- 1542US6408766B1Auxiliary drive, full service locomotive tender125 cites · 200293% earned
- 1638US6308639B1Hybrid battery/gas turbine locomotive124 cites · 200193% earned
- 1733US7021588B2System and method for managing two or more locomotives of a consist122 cites · 200393% earned
- 1829US4108077ARail vehicles with propulsion energy recovery system119 cites · 197893% earned
- 1925US8104601B2Method and apparatus for delivering items to destination areas118 cites · 201178% earned
- 2021US6988011B2Method and system for analyzing operational parameter data for diagnostics and repairs115 cites · 200490% earned
- 2117US7304445B2Locomotive power train architecture115 cites · 200693% earned
- 2213US7349797B2Emission management for a hybrid locomotive115 cites · 200593% earned
- 238US5887567ANatural gas fueling system112 cites · 199990% earned
- 244US4841871AModular transportation system with aerodynamic lift augmented traction vehicles108 cites · 198993% earned
- 251US4401035AControl device for multiple unit locomotive systems107 cites · 198393% earned
Rising· last 2 yrs
Assignees whose newest B61C patents became public in the last 2 years — the current frontier
- 199OCADO INNOVATION LTD10 patents · 113 citations
- 296TOSHIBA KK45 patents · 254 citations
- 392BNSF RAILWAY CO14 patents · 118 citations
- 488MITSUBISHI ELECTRIC CORP50 patents · 112 citations
- 583CATERPILLAR INC7 patents · 38 citations
- 679TRANSP IP HOLDINGS LLC59 patents · 44 citations
- 775BOMBARDIER TRANSP GMBH24 patents · 26 citations
- 871BYD CO LTD16 patents · 14 citations
- 967Siemens Mobility GmbH47 patents · 22 citations
- 1063COMMONSENSE ROBOTICS LTD4 patents · 5 citations
- 1158CATTRON NORTH AMERICA INC7 patents · 9 citations
- 1254LEAR CORP7 patents · 2 citations
- 1350PROGRESS RAIL LOCOMOTIVE INC15 patents · 13 citations
- 1446PROGRESS RAIL SERVICES CORP9 patents · 8 citations
- 1542KNOXVILLE LOCOMOTIVE WORKS INC8 patents · 5 citations
- 1638RIINO INC2 patents · 2 citations
- 1733CRRC NANJING PUZHEN CO LTD3 patents · 1 citations
- 1829UNIV SOUTHWEST JIAOTONG1 patents · 2 citations
- 1925HYUNDAI MOTOR CO LTD1 patents · 1 citations
- 2021CRRC ZHUZHOU INST CO LTD2 patents · 0 citations
- 2117ALSTOM HOLDINGS2 patents · 0 citations
- 2213UNIV CENTRAL SOUTH2 patents · 0 citations
- 238UNIV CHINA MINING2 patents · 0 citations
- 244HARSCO TECH LLC1 patents · 0 citations
- 251CHENGDU TULIN TECH CO LTD1 patents · 0 citations
Active· last 5 yrs
Sustained B61C output across the last 5 years
- 199OPEX CORP12 patents · 520 citations
- 296OCADO INNOVATION LTD10 patents · 113 citations
- 392TOSHIBA KK45 patents · 254 citations
- 488DAIFUKU KK13 patents · 207 citations
- 583BNSF RAILWAY CO14 patents · 118 citations
- 679HYPERLOOP TECH INC15 patents · 82 citations
- 775HITACHI LTD12 patents · 132 citations
- 871SIEMENS AG33 patents · 182 citations
- 967MITSUBISHI ELECTRIC CORP50 patents · 112 citations
- 1063CATERPILLAR INC7 patents · 38 citations
- 1158SST SYSTEMS INC8 patents · 15 citations
- 1254TRANSP IP HOLDINGS LLC59 patents · 44 citations
- 1350PARALLEL SYSTEMS INC7 patents · 17 citations
- 1446BOMBARDIER TRANSP GMBH24 patents · 26 citations
- 1542ALSTOM TRANSP TECH28 patents · 15 citations
- 1638WESTINGHOUSE AIR BRAKE TECH CORP5 patents · 67 citations
- 1733FUJI ELECTRIC CO LTD9 patents · 18 citations
- 1829GE GLOBAL SOURCING LLC13 patents · 13 citations
- 1925BYD CO LTD16 patents · 14 citations
- 2021ROCKWELL AUTOMATION TECH INC5 patents · 15 citations
- 2117Siemens Mobility GmbH47 patents · 22 citations
- 2213NEW YORK AIR BRAKE LLC6 patents · 17 citations
- 238COMMONSENSE ROBOTICS LTD4 patents · 5 citations
- 244CATTRON NORTH AMERICA INC7 patents · 9 citations
- 251LEAR CORP7 patents · 2 citations
All-time canon
All-time PatentIndex Score in B61C
- 199GEN ELECTRIC164 patents · 4,194 citations
- 296OPEX CORP12 patents · 520 citations
- 392RAILPOWER TECHNOLOGIES CORP11 patents · 717 citations
- 488OCADO INNOVATION LTD10 patents · 113 citations
- 583GEN MOTORS CORP9 patents · 220 citations
- 679WESTINGHOUSE AIR BRAKE CO7 patents · 307 citations
- 775TOSHIBA KK45 patents · 254 citations
- 871DAIFUKU KK13 patents · 207 citations
- 967BNSF RAILWAY CO14 patents · 118 citations
- 1063HYPERLOOP TECH INC15 patents · 82 citations
- 1158SHINKO ELECTRIC CO LTD5 patents · 107 citations
- 1254HITACHI LTD12 patents · 132 citations
- 1350SIEMENS AG33 patents · 182 citations
- 1446GOODYEAR TIRE & RUBBER4 patents · 168 citations
- 1542BRIGHT ENERGY STORAGE TECHNOLOGIES LLP7 patents · 52 citations
- 1638KUMAR AJITH KUTTANNAIR12 patents · 89 citations
- 1733HURTH MASCH ZAHNRAD CARL6 patents · 92 citations
- 1829SCHWEIZERISCHE LOKOMOTIV4 patents · 140 citations
- 1925ALSTOM8 patents · 107 citations
- 2021MITSUBISHI ELECTRIC CORP50 patents · 112 citations
- 2117HITACHI METALS LTD5 patents · 75 citations
- 2213MANNESMANN AG6 patents · 83 citations
- 238THYSSEN INDUSTRIE7 patents · 58 citations
- 244COOK DAVID7 patents · 52 citations
- 251FURUKAWA ELECTRIC CO LTD4 patents · 60 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth