Topic leaderboard
Amphibious & rail-road vehicles
Ranked by the PatentIndex Score — a 1–99 percentile within B60F · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B60F patents became public in the last 2 years — the current frontier
- 199Ian Nuhn10 patents · 59 citations
- 296J. David March5 patents · 50 citations
- 392Scott R. Kempshall8 patents · 17 citations
- 488Kade Scott4 patents · 20 citations
- 583Matthew T. Flachsbart4 patents · 20 citations
- 679Richard Daniel Graham4 patents · 20 citations
- 775Snehal Desai4 patents · 20 citations
- 871Oren Tal5 patents · 6 citations
- 967Reuven Tal5 patents · 6 citations
- 1063Nicholas Pfeifer4 patents · 7 citations
- 1158William Bryan Baker3 patents · 14 citations
- 1254William Thalheimer3 patents · 14 citations
- 1350Christian Bailey2 patents · 14 citations
- 1446Daniel Cottrell2 patents · 14 citations
- 1542Edward Lester2 patents · 14 citations
- 1638Michael Klinker2 patents · 14 citations
- 1733Xiaofeng Liu3 patents · 6 citations
- 1829Yongfei Hua3 patents · 6 citations
- 1925Bartley Patton3 patents · 4 citations
- 2021Eric Erickson3 patents · 4 citations
- 2117Jacques Orban3 patents · 4 citations
- 2213Shunfeng Zheng3 patents · 4 citations
- 238Thomas H. Williams2 patents · 8 citations
- 244Jason Albright3 patents · 0 citations
- 251Jeffery Huber3 patents · 0 citations
Active· last 5 yrs
Sustained B60F output across the last 5 years
- 199Ian Nuhn10 patents · 59 citations
- 296Alan Timothy Gibbs42 patents · 242 citations
- 392Johan Ulrich Lewin Jessen4 patents · 259 citations
- 488Martin F. Schubert4 patents · 259 citations
- 583Simon James Longdill20 patents · 95 citations
- 679Hans Weekers12 patents · 84 citations
- 775Stephen John Briggs12 patents · 84 citations
- 871Benjamin Meager5 patents · 34 citations
- 967Paul K. Wilson5 patents · 64 citations
- 1063J. David March5 patents · 50 citations
- 1158John Wilson5 patents · 30 citations
- 1254William B. Rodriguez4 patents · 48 citations
- 1350Scott R. Kempshall8 patents · 17 citations
- 1446Glen Michael Jeffery4 patents · 14 citations
- 1542Kade Scott4 patents · 20 citations
- 1638Matthew T. Flachsbart4 patents · 20 citations
- 1733Richard Daniel Graham4 patents · 20 citations
- 1829Snehal Desai4 patents · 20 citations
- 1925Oren Tal5 patents · 6 citations
- 2021Reuven Tal5 patents · 6 citations
- 2117Dean R. Wilson4 patents · 15 citations
- 2213Julius Chen2 patents · 70 citations
- 238Kristopher William Bell2 patents · 70 citations
- 244Ryan Scott Russell2 patents · 70 citations
- 251Wesley Scott Lauka2 patents · 70 citations
All-time canon
Career PatentIndex Score in B60F
- 199Brian Geiger5 patents · 246 citations
- 296David Pitcairn5 patents · 246 citations
- 392Douglas Johnson5 patents · 246 citations
- 488Frederick W. Piasecki5 patents · 246 citations
- 583John W. Piasecki5 patents · 246 citations
- 679Alan R. Cripe9 patents · 311 citations
- 775Terence James Roycroft15 patents · 273 citations
- 871Edward Hoare13 patents · 144 citations
- 967Thuy-Yung Tran13 patents · 144 citations
- 1063Christopher A. Cripe7 patents · 233 citations
- 1158Eugene Hindin7 patents · 176 citations
- 1254Nigel J. Clarke7 patents · 94 citations
- 1350John B. Coast7 patents · 161 citations
- 1446Harry Madison6 patents · 149 citations
- 1542Ian Nuhn10 patents · 59 citations
- 1638Alan Timothy Gibbs42 patents · 242 citations
- 1733Harry O. Wicks5 patents · 112 citations
- 1829Donald Bolden Hutson4 patents · 164 citations
- 1925Johan Ulrich Lewin Jessen4 patents · 259 citations
- 2021Martin F. Schubert4 patents · 259 citations
- 2117Neil Graham Jenkins7 patents · 61 citations
- 2213Eugene B. White, Jr.4 patents · 118 citations
- 238Simon James Longdill20 patents · 95 citations
- 244Hans Weekers12 patents · 84 citations
- 251Stephen John Briggs12 patents · 84 citations
Rising· last 2 yrs
The top-scoring B60F patents made public in the last 2 years
- 199US12221196B1✦ AIControllable sinking and floating swimming pool robot and sinking and floating control met5 cites · 202572% earned
- 296US12358332B1✦ AIVertical takeoff and landing personal land to air vehicle3 cites · 202580% earned
- 392US12330781B1✦ AIWing-in-ground effect vehicles and methods of control4 cites · 202582% earned
- 488US12311713B2Road to rail hybrid vehicles using a transition span and passive junctions2 cites · 202576% earned
- 583US12337954B1Convertible drive system1 cites · 202550% earned
- 679US11909279B1Prime mover with integral drivers for providing multiple modes of locomotion2 cites · 202476% earned
- 775US12122203B1Flying car with multiple wheels2 cites · 202476% earned
- 871US11912407B1Unmanned vehicle morphing1 cites · 202446% earned
- 967US12296993B2Drone with railway driving capabilities1 cites · 202467% earned
- 1063US12350985B2Amphibious pumping vehicle0 cites · 20240% earned
- 1158US12214873B2High-throughput vertiport with parallel handling0 cites · 20240% earned
- 1254US12090803B2Amphibious vehicle0 cites · 20240% earned
- 1350US12442271B2Cement mixer and multiple purpose pumper (CMMP) for land rig0 cites · 20240% earned
- 1446US12325515B2Wingless VTOL flying land vehicle0 cites · 20240% earned
- 1542US12172480B2Amphibious vehicle systems0 cites · 20240% earned
- 1638US12122201B2Amphibious vehicle0 cites · 20240% earned
- 1733USRE50349EUniversal landing gear assembly0 cites · 20250% earned
- 1829US12109858B1Autonomous vehicle for road and rail0 cites · 20240% earned
- 1925US12415707B2Building-attachable moving system and method of a mobility0 cites · 20240% earned
- 2021US12594798B2Road to rail hybrid vehicles using passive junction and transition spans0 cites · 20250% earned
- 2117US12172482B2Self-powered drone flying car for land and air0 cites · 20240% earned
- 2213US12110138B2Trans-media unmanned aerial vehicle device and control method thereof0 cites · 20240% earned
- 238US11958620B2Hydrogen electric hybrid power plant for hovercar and control method0 cites · 20240% earned
- 244US12503255B2Loitering craft0 cites · 20250% earned
- 251US12529443B2Amphibious robot for in-service inspection of drainage pipelines and control method thereo0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B60F patents of the last 5 years
- 199US10920434B1✦ AIPortable robotic construction system69 cites · 202189% earned
- 296US11738613B1✦ AIDrone air to ground transition system21 cites · 202390% earned
- 392US10930159B1✦ AISmart platooning of vehicles18 cites · 202179% earned
- 488US12221196B1Controllable sinking and floating swimming pool robot and sinking and floating control met5 cites · 202572% earned
- 583US11420738B1Wing-in-ground effect vehicle10 cites · 202287% earned
- 679US11027584B1Flying car with fore and aft lifting surfaces25 cites · 202190% earned
- 775US11499665B2Systems and methods for an amphibious submersible for pipe interior and wall inspection10 cites · 202181% earned
- 871US11338634B1Vehicle capable of multiple varieties of locomotion14 cites · 202289% earned
- 967US11535372B2Method of navigating an amphibious aerial vehicle on water7 cites · 202275% earned
- 1063US11358425B1Amphibious pumping vehicle6 cites · 202261% earned
- 1158US11485489B2Systems and methods for functionality and controls for a VTOL flying car9 cites · 202181% earned
- 1254US12358332B1Vertical takeoff and landing personal land to air vehicle3 cites · 202580% earned
- 1350US11485490B2System and methods for providing vertical take off and landing and forward flight in a sma8 cites · 202186% earned
- 1446US11643200B2Vertical takeoff and landing air mobility7 cites · 202186% earned
- 1542US11230813B1Automated road-rail transportation system with side stabilization6 cites · 202285% earned
- 1638US11390470B1Clean energy integrated transportation system5 cites · 202284% earned
- 1733US12330781B1Wing-in-ground effect vehicles and methods of control4 cites · 202582% earned
- 1829US10927519B1Recovery system for large-scale spilled oil flowing onto and adhered to shore6 cites · 202185% earned
- 1925US10946705B1Flight module for an aerial vehicle7 cites · 202175% earned
- 2021US11454245B1Convertible ducted fan engine5 cites · 202277% earned
- 2117US11702194B1Convertible ducted fan engine4 cites · 202370% earned
- 2213US12311713B2Road to rail hybrid vehicles using a transition span and passive junctions2 cites · 202576% earned
- 238US12054210B2Low gravity all-surface vehicle3 cites · 202159% earned
- 244US11352763B2Amphibious platform vehicle-vessel4 cites · 202175% earned
- 251US11919636B2Wirelessly controlled flying and submerging vehicle4 cites · 202182% earned
All-time canon
The defining B60F patents of the whole record
- 199US9940840B1✦ AISmart platooning of vehicles215 cites · 201887% earned
- 296US6036201A✦ AIAdjustable vehicle suspension177 cites · 200094% earned
- 392US4676545A✦ AIModular chassis for land, sea and air vehicles175 cites · 198794% earned
- 488US7959104B2Flying device with improved movement on the ground151 cites · 200894% earned
- 583US9045226B2Modular and morphable air vehicle147 cites · 201185% earned
- 679US4958584AAmphibious vehicle having an efficient water-borne operational mode139 cites · 199093% earned
- 775US6745977B1Flying car138 cites · 200493% earned
- 871US5505407AAir-land vehicle136 cites · 199693% earned
- 967US8991740B2Vehicle with aerial and ground mobility135 cites · 201490% earned
- 1063US5141173APressure-jet and ducted fan hybrid electric car129 cites · 199293% earned
- 1158US4817537AContainer carrying convertible rail-highway vehicle125 cites · 198993% earned
- 1254US6086014ARoadable aircraft113 cites · 200093% earned
- 1350US5690046AAmphibious vehicles109 cites · 199793% earned
- 1446US4072203ASmall, personal, all terrain vehicle109 cites · 197893% earned
- 1542US5687669AAmphibious vehicle104 cites · 199793% earned
- 1638US9493235B2Amphibious vertical takeoff and landing unmanned device99 cites · 201693% earned
- 1733US6129306AEasily-convertible high-performance roadable aircraft99 cites · 200093% earned
- 1829US5289778AAutomated electric transportation system97 cites · 199493% earned
- 1925US5562066AAmphibious vehicle96 cites · 199687% earned
- 2021US4265326ARolling and stepping vehicle95 cites · 198193% earned
- 2117US6352035B1Driving mechanism of a track traveling vehicle94 cites · 200293% earned
- 2213US5531179AWheel-retraction apparatus and method for amphibious vehicle90 cites · 199689% earned
- 238US6695566B2Multipurpose all-terrain vehicle launchable by parachute90 cites · 200293% earned
- 244US8794564B2Vehicle capable of in-air and on-ground mobility89 cites · 201493% earned
- 251US8753155B2Wheel with folding segments87 cites · 201493% earned
Rising· last 2 yrs
Assignees whose newest B60F patents became public in the last 2 years — the current frontier
- 199NUHN IND LTD11 patents · 59 citations
- 296HYALTA AERONAUTICS INC8 patents · 17 citations
- 392UIPCO LLC3 patents · 20 citations
- 488MARCH J DAVID4 patents · 23 citations
- 583FLYON AEROSYSTEMS LTD5 patents · 6 citations
- 679REGENT CRAFT INC3 patents · 14 citations
- 775HYUNDAI MOTOR CO LTD5 patents · 9 citations
- 871AIPER GLOBAL PTE LTD3 patents · 6 citations
- 967WILLIAMS THOMAS HOLTZMAN3 patents · 8 citations
- 1063SCHLUMBERGER TECHNOLOGY CORP3 patents · 4 citations
- 1158BAZOOKA FARMSTAR LLC3 patents · 0 citations
- 1254BOONEDOX INC2 patents · 3 citations
- 1350SPANN MAKEEVA1 patents · 3 citations
- 1446KUCINIEK JR TARAS1 patents · 2 citations
- 1542WRIGHT CHARLES SCOTT1 patents · 2 citations
- 1638WALKER WILLIAM2 patents · 0 citations
- 1733RAILWAY ROBOTICS AS1 patents · 1 citations
- 1829SAUDI ARABIAN OIL CO3 patents · 0 citations
- 1925USAA1 patents · 0 citations
- 2021GANAHL JOSEPH1 patents · 0 citations
- 2117FEREZ MARCIO CESAR1 patents · 0 citations
- 2213HAN KYUNG-HEE1 patents · 0 citations
- 238HANGZHOU CITY UNIV1 patents · 0 citations
- 244RICHER PASCAL JOSEPH FRANCOIS1 patents · 0 citations
- 251TEICHER MORDECHAI1 patents · 0 citations
Active· last 5 yrs
Sustained B60F output across the last 5 years
- 199GIBBS TECH LTD60 patents · 431 citations
- 296NUHN IND LTD11 patents · 59 citations
- 392X DEV LLC4 patents · 259 citations
- 488POLARIS INC5 patents · 56 citations
- 583AURORA FLIGHT SCIENCES CORP5 patents · 36 citations
- 679HYALTA AERONAUTICS INC8 patents · 17 citations
- 775US NAVY5 patents · 38 citations
- 871TOYOTA ENG & MFG NORTH AMERICA8 patents · 16 citations
- 967UIPCO LLC3 patents · 20 citations
- 1063MITSUBISHI HEAVY IND LTD21 patents · 11 citations
- 1158MARCH J DAVID4 patents · 23 citations
- 1254FLYON AEROSYSTEMS LTD5 patents · 6 citations
- 1350AMAZON TECH INC2 patents · 70 citations
- 1446PEARSON JR KENT DOUGLAS2 patents · 70 citations
- 1542SHANGHAI AUTOFLIGHT CO LTD4 patents · 9 citations
- 1638JG ENTREPRENEURIAL ENTPR LLC3 patents · 7 citations
- 1733AEROVIRONMENT INC3 patents · 14 citations
- 1829ARMADA AERONAUTICS INC2 patents · 17 citations
- 1925REGENT CRAFT INC3 patents · 14 citations
- 2021MARVI HAMIDREZA3 patents · 12 citations
- 2117HYUNDAI MOTOR CO LTD5 patents · 9 citations
- 2213ONTARIO DRIVE & GEAR LTD3 patents · 6 citations
- 238AIPER GLOBAL PTE LTD3 patents · 6 citations
- 244WILLIAMS THOMAS HOLTZMAN3 patents · 8 citations
- 251SCHLUMBERGER TECHNOLOGY CORP3 patents · 4 citations
All-time canon
All-time PatentIndex Score in B60F
- 199UNITED DEFENSE LP5 patents · 232 citations
- 296GIBBS TECH LTD60 patents · 431 citations
- 392TRAN THUY-YUNG8 patents · 98 citations
- 488BI MODAL CORP8 patents · 189 citations
- 583NUHN IND LTD11 patents · 59 citations
- 679FMC CORP5 patents · 129 citations
- 775HARSCO CORP6 patents · 111 citations
- 871X DEV LLC4 patents · 259 citations
- 967WHITE MACHINERY CORP4 patents · 118 citations
- 1063PIASECKI AIRCRAFT CORP4 patents · 99 citations
- 1158RAILMASTER SYSTEM INC4 patents · 81 citations
- 1254POLARIS INC5 patents · 56 citations
- 1350PAHA DESIGNS LLC4 patents · 31 citations
- 1446GIBBS ALAN TIMOTHY7 patents · 24 citations
- 1542QUALCOMM INC3 patents · 75 citations
- 1638BOEING CO6 patents · 37 citations
- 1733AURORA FLIGHT SCIENCES CORP5 patents · 36 citations
- 1829SEALEGS INTERNAT LTD3 patents · 59 citations
- 1925TERRAFUGIA INC4 patents · 77 citations
- 2021TRACKMOBILE INC3 patents · 55 citations
- 2117WHITING CORP3 patents · 52 citations
- 2213THIBODAUX RONALD J3 patents · 61 citations
- 238JAGUAR LAND ROVER LTD7 patents · 23 citations
- 244SOOT OLAF3 patents · 45 citations
- 251HYALTA AERONAUTICS INC8 patents · 17 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth