Topic leaderboard
Capstans, winches, tackles & hoists
Ranked by the PatentIndex Score — a 1–99 percentile within B66D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B66D patents became public in the last 2 years — the current frontier
- 199Wei Wei20 patents · 115 citations
- 296Haonan Zhang19 patents · 114 citations
- 392Jay Ratajczak19 patents · 114 citations
- 488Thaddeus Bort19 patents · 114 citations
- 583Scott Wilson8 patents · 83 citations
- 679James Zaguroli, Jr.14 patents · 182 citations
- 775Bejan Maghsoodi21 patents · 66 citations
- 871Shintaro Sasai6 patents · 18 citations
- 967Mark Groves5 patents · 2 citations
- 1063Zhencai Zhu7 patents · 7 citations
- 1158Eric R. Sirkin3 patents · 6 citations
- 1254Xavier Alexandre3 patents · 6 citations
- 1350Ari Vaisanen3 patents · 12 citations
- 1446Louis Decuzzi3 patents · 7 citations
- 1542John S. Scott5 patents · 2 citations
- 1638Matthew Post5 patents · 2 citations
- 1733Matthew N. Thurin5 patents · 2 citations
- 1829Rod Herrick4 patents · 6 citations
- 1925Gang Shen5 patents · 5 citations
- 2021Hao Lu5 patents · 5 citations
- 2117Michael Raymond Netecke7 patents · 3 citations
- 2213Gareth Mueckl4 patents · 2 citations
- 238Jared W Shappell3 patents · 6 citations
- 244Yuxing Peng5 patents · 3 citations
- 251Isabel M. Lloyd3 patents · 2 citations
Active· last 5 yrs
Sustained B66D output across the last 5 years
- 199Wei Wei20 patents · 115 citations
- 296Haonan Zhang19 patents · 114 citations
- 392Jay Ratajczak19 patents · 114 citations
- 488Thaddeus Bort19 patents · 114 citations
- 583Scott Wilson8 patents · 83 citations
- 679Andre Prager17 patents · 193 citations
- 775Trevor Shannon14 patents · 174 citations
- 871Bryan Averill22 patents · 181 citations
- 967Michael Tjader26 patents · 127 citations
- 1063James Zaguroli, Jr.14 patents · 182 citations
- 1158Donald A. Hoffend, Iii24 patents · 129 citations
- 1254Darren G. Fretz26 patents · 179 citations
- 1350Frederic M. Newman8 patents · 168 citations
- 1446Robert E. Eddy11 patents · 74 citations
- 1542Shih Jyi Huang16 patents · 106 citations
- 1638Stephen J. Kochan8 patents · 60 citations
- 1733David R. Hall47 patents · 129 citations
- 1829Derek Sikora7 patents · 95 citations
- 1925Logan Goodrich7 patents · 95 citations
- 2021Kevin Christensen9 patents · 58 citations
- 2117Gary E. Ingram7 patents · 54 citations
- 2213Peter V. Svitavsky7 patents · 51 citations
- 238Bejan Maghsoodi21 patents · 66 citations
- 244George M. Anasis7 patents · 41 citations
- 251Kirk M. Mauthner4 patents · 104 citations
All-time canon
Career PatentIndex Score in B66D
- 199Homayoon Kazerooni10 patents · 457 citations
- 296Donald A. Hoffend, Jr.20 patents · 402 citations
- 392Thomas M. Telford5 patents · 291 citations
- 488Wei Wei20 patents · 115 citations
- 583Haonan Zhang19 patents · 114 citations
- 679Jay Ratajczak19 patents · 114 citations
- 775Thaddeus Bort19 patents · 114 citations
- 871Joop Roodenburg13 patents · 268 citations
- 967Michael A. Peshkin5 patents · 250 citations
- 1063Scott Wilson8 patents · 83 citations
- 1158J. Edward Colgate5 patents · 229 citations
- 1254Oliver Heravi17 patents · 285 citations
- 1350Heinz Flaig7 patents · 260 citations
- 1446Andre Prager17 patents · 193 citations
- 1542Udo Gersemsky8 patents · 238 citations
- 1638Masakatsu Tanaka5 patents · 204 citations
- 1733Trevor Shannon14 patents · 174 citations
- 1829Stephen A. Denman5 patents · 175 citations
- 1925William C. Ottemann9 patents · 198 citations
- 2021Bryan Averill22 patents · 181 citations
- 2117Michael Tjader26 patents · 127 citations
- 2213Anton Munzebrock7 patents · 147 citations
- 238Andre Desplats7 patents · 1,476 citations
- 244David B. Grapes7 patents · 177 citations
- 251James Zaguroli, Jr.14 patents · 182 citations
Rising· last 2 yrs
The top-scoring B66D patents made public in the last 2 years
- 199US12379180B1✦ AICrossbow with de-cocking crank mechanism having sprockets5 cites · 202584% earned
- 296US11945692B1✦ AIElectric stair lift5 cites · 202472% earned
- 392US12319549B1✦ AIMultifunctional stable winch hook guide rail system2 cites · 202576% earned
- 488US12145825B2Winch mount assembly2 cites · 202476% earned
- 583US12297086B2Cable follower lifting lever2 cites · 202476% earned
- 679US11919755B1Portable winch system1 cites · 202467% earned
- 775US12492105B2Method and apparatus for stopping device, and crane, electronic device and readable medium1 cites · 202467% earned
- 871US12233800B2Fairlead device mounting bracket assembly for a vehicle winch assembly1 cites · 202467% earned
- 967US12030563B1Winch slide-out trailer undercarriage1 cites · 202467% earned
- 1063US12037228B1Fairlead1 cites · 202467% earned
- 1158US12006192B1Powered counterweight system1 cites · 202467% earned
- 1254US11952117B1Adjustable helical capstan rope brake1 cites · 202467% earned
- 1350US12351339B2Carriage for an unmanned aerial vehicle including a latch and an electronic driver to move0 cites · 20240% earned
- 1446US12358765B2Hoisting and lowering device0 cites · 20240% earned
- 1542US12269715B2Zero-gravity hoist control0 cites · 20240% earned
- 1638US12441592B2Wireless hoist system0 cites · 20240% earned
- 1733US12258244B2Come along device0 cites · 20240% earned
- 1829US12240574B2Methods for monitoring windlass rotation0 cites · 20240% earned
- 1925US12455582B2Methods and systems for monitoring stress in a tendon in concrete post-tensioning0 cites · 20250% earned
- 2021US12208520B2Devices, systems and methods for controlling cable drive mechanisms0 cites · 20240% earned
- 2117US12492776B2Apparatus for lateral cable pulling and pipe replacement0 cites · 20250% earned
- 2213US12330923B2Modular pulley block0 cites · 20240% earned
- 238US12044080B2Linear motor hoisting system0 cites · 20240% earned
- 244US12545560B2Line roller assembly0 cites · 20240% earned
- 251US12508045B2Robotic surgical system with knife drive mechanism0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B66D patents of the last 5 years
- 199US11180263B2✦ AIFlying vehicle systems and methods29 cites · 202169% earned
- 296US11008198B2✦ AIHoist and deployable equipment apparatus, system, and method25 cites · 202190% earned
- 392US11339034B2✦ AICoupling for suspended load control apparatus, system, and method22 cites · 202285% earned
- 488US11584624B1Multi-purpose jack apparatus and method of use19 cites · 202390% earned
- 583US11148802B1Robust cooperative localization and navigation of tethered heterogeneous autonomous unmann16 cites · 202189% earned
- 679US11767111B1Slotted receptacle for payload handle to secure payload within a UAV7 cites · 202386% earned
- 775US12379180B1Crossbow with de-cocking crank mechanism having sprockets5 cites · 202584% earned
- 871US11840432B2Ceiling fixture accessibility device4 cites · 202375% earned
- 967US11945692B1Electric stair lift5 cites · 202472% earned
- 1063US11142436B1Portable crane formed of composite members7 cites · 202175% earned
- 1158US10933692B1Wheel righting apparatus8 cites · 202186% earned
- 1254US11378218B2Cable puller and method5 cites · 202163% earned
- 1350US11724923B1Active tether control for a tethered multirotor6 cites · 202385% earned
- 1446US11926418B2Winch delivery system3 cites · 202380% earned
- 1542US12319549B1Multifunctional stable winch hook guide rail system2 cites · 202576% earned
- 1638US11613450B2Lifter7 cites · 202186% earned
- 1733US11618629B2Track and trolley transport and storage system5 cites · 202284% earned
- 1829US11319197B2Fairlead with integrated remote socket5 cites · 202184% earned
- 1925US10958265B1Winch motor protection circuit5 cites · 202184% earned
- 2021US11579010B1Chain hoist with integral load cell5 cites · 202384% earned
- 2117US11396352B2Methods and apparatus for measuring and monitoring an anchoring operation4 cites · 202170% earned
- 2213US11713122B2Methods and systems for raising and lowering a payload4 cites · 202164% earned
- 238US11766929B1Drive system for all-terrain vehicle (ATV)4 cites · 202375% earned
- 244US11377330B2Remote controlled lift assembly4 cites · 202182% earned
- 251US11401138B2Clamping pulley4 cites · 202182% earned
All-time canon
The defining B66D patents of the whole record
- 199US4438659A✦ AIRelease mechanism for a traction apparatus acting on a cable which passes therethrough1,435 cites · 198495% earned
- 296US9422139B1✦ AIMethod of actively controlling winch swing via modulated uptake and release388 cites · 201690% earned
- 392US7717193B2✦ AIAC powered service rig163 cites · 200994% earned
- 488US10138098B2Draw-works and method for operating the same150 cites · 201694% earned
- 583US4635875ACable pulling device141 cites · 198793% earned
- 679US4372452ATransfer hoist for disabled persons137 cites · 198393% earned
- 775US3946989ASlow descender including fluid and mechanical braking devices136 cites · 197693% earned
- 871US4434971ADrilling rig drawworks hook load overspeed preventing system129 cites · 198493% earned
- 967US6029951AControl system for drawworks operations129 cites · 200093% earned
- 1063US6386513B1Human power amplifier for lifting load including apparatus for preventing slack in lifting128 cites · 200288% earned
- 1158US4736929AWinch having split housing and drive components122 cites · 198893% earned
- 1254US5915673APneumatic human power amplifer module119 cites · 199993% earned
- 1350US5361565AElevating system118 cites · 199493% earned
- 1446US6705179B1Modified rope tensioner116 cites · 200493% earned
- 1542US5845893AUnderwater self-aligning fairlead latch device for mooring a structure at sea114 cites · 199893% earned
- 1638US6463323B1Electrically mediated angiogenesis111 cites · 200293% earned
- 1733US5865426AHuman power amplifier for vertical maneuvers110 cites · 199990% earned
- 1829US5522582ARemote controlled winch109 cites · 199693% earned
- 1925US6811112B1Active feedback levelwinding system109 cites · 200493% earned
- 2021US6049923ALift for lifting and lowering body108 cites · 200093% earned
- 2117US5676349AWinch wheel device with half cleat106 cites · 199793% earned
- 2213US6705597B1Winch winding tool103 cites · 200493% earned
- 238US5388480APretensioning mechanism for tension element drive systems102 cites · 199593% earned
- 244US6520485B1Winch system for raising and lowering theatre scenery102 cites · 200393% earned
- 251US5775417ACoiled tubing handling apparatus102 cites · 199893% earned
Rising· last 2 yrs
Assignees whose newest B66D patents became public in the last 2 years — the current frontier
- 199WORKHORSE GROUP INC19 patents · 115 citations
- 296COLUMBUS MCKINNON CORP25 patents · 341 citations
- 392KITO KK49 patents · 415 citations
- 488WING AVIATION LLC18 patents · 144 citations
- 583GEN ELECTRIC10 patents · 121 citations
- 679SCHLUMBERGER TECHNOLOGY CORP21 patents · 192 citations
- 775SAMSUNG ELECTRONICS CO LTD7 patents · 62 citations
- 871Ningbo lianda winch co ltd9 patents · 34 citations
- 967FORD GLOBAL TECH LLC10 patents · 35 citations
- 1063KONECRANES GLOBAL CORP37 patents · 35 citations
- 1158MURATA MACHINERY LTD4 patents · 46 citations
- 1254GRID MFG CORPORATION5 patents · 2 citations
- 1350SIRKIN ERIC R3 patents · 6 citations
- 1446DECUZZI LOUIS3 patents · 7 citations
- 1542MILWAUKEE ELECTRIC TOOL CORP5 patents · 2 citations
- 1638RODDIE INC4 patents · 6 citations
- 1733KOBELCO CONSTR MACH CO LTD7 patents · 4 citations
- 1829UNIV CHINA MINING6 patents · 3 citations
- 1925AERO VELOCITY INC3 patents · 0 citations
- 2021THALES SA10 patents · 2 citations
- 2117SEAS II DAY LLC2 patents · 4 citations
- 2213SMITH SHANE MICHAEL3 patents · 4 citations
- 238YOUNG LEWIS1 patents · 5 citations
- 244ZHEJIANG NOWVOW MECH AND ELECTRICAL CORP LTD3 patents · 2 citations
- 251KEMPF JAMES J1 patents · 5 citations
Active· last 5 yrs
Sustained B66D output across the last 5 years
- 199WARN IND INC59 patents · 1,375 citations
- 296US NAVY14 patents · 367 citations
- 392OTIS ELEVATOR CO48 patents · 425 citations
- 488WORKHORSE GROUP INC19 patents · 115 citations
- 583COLUMBUS MCKINNON CORP25 patents · 341 citations
- 679KITO KK49 patents · 415 citations
- 775ITREC BV9 patents · 188 citations
- 871PACCAR INC9 patents · 185 citations
- 967WING AVIATION LLC18 patents · 144 citations
- 1063TT TECHNOLOGIES INC21 patents · 80 citations
- 1158GEN ELECTRIC10 patents · 121 citations
- 1254SCHLUMBERGER TECHNOLOGY CORP21 patents · 192 citations
- 1350SKY CLIMBER LLC9 patents · 48 citations
- 1446GOODRICH CORP37 patents · 108 citations
- 1542ZEDEL7 patents · 102 citations
- 1638POLARIS INC5 patents · 106 citations
- 1733SAMSUNG ELECTRONICS CO LTD7 patents · 62 citations
- 1829KONE CORP25 patents · 69 citations
- 1925LIEBHERR COMPONENTS BIBERACH GMBH23 patents · 55 citations
- 2021BAUER MASCHINEN GMBH7 patents · 40 citations
- 2117COMEUP IND INC12 patents · 51 citations
- 2213MAGNETEK INC4 patents · 123 citations
- 238ELECTRONIC THEATRE CONTROLS INC14 patents · 27 citations
- 244VITA INCLINATA TECH INC3 patents · 93 citations
- 251Ningbo lianda winch co ltd9 patents · 34 citations
All-time canon
All-time PatentIndex Score in B66D
- 199WARN IND INC59 patents · 1,375 citations
- 296HARNISCHFEGER CORP19 patents · 540 citations
- 392US NAVY14 patents · 367 citations
- 488HITACHI LTD10 patents · 347 citations
- 583OTIS ELEVATOR CO48 patents · 425 citations
- 679RAMSEY WINCH17 patents · 323 citations
- 775WORKHORSE GROUP INC19 patents · 115 citations
- 871MANNESMANN AG27 patents · 586 citations
- 967EDERER INC5 patents · 249 citations
- 1063INVENTIO AG16 patents · 306 citations
- 1158TRACTEL SA8 patents · 1,500 citations
- 1254COLUMBUS MCKINNON CORP25 patents · 341 citations
- 1350KITO KK49 patents · 415 citations
- 1446HOFFEND JR DONALD A5 patents · 145 citations
- 1542DEMAG CRANES & COMPONENTS GMBH17 patents · 245 citations
- 1638MITSUBISHI ELECTRIC CORP23 patents · 258 citations
- 1733ITREC BV9 patents · 188 citations
- 1829PACCAR INC9 patents · 185 citations
- 1925CATERPILLAR TRACTOR CO25 patents · 336 citations
- 2021LEWMAR MARINE LTD18 patents · 253 citations
- 2117HARKEN INC12 patents · 235 citations
- 2213KONE OY5 patents · 171 citations
- 238EATON CORP15 patents · 233 citations
- 244DYNAMIC HYDRAULIC SYSTEMS INC6 patents · 151 citations
- 251WING AVIATION LLC18 patents · 144 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth