Topic leaderboard
Couplings for railway vehicles
Ranked by the PatentIndex Score — a 1–99 percentile within B61G · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B61G patents became public in the last 2 years — the current frontier
- 199Manuel Tavares19 patents · 36 citations
- 296Zachary Ryan Brook18 patents · 27 citations
- 392Aaron Stern13 patents · 8 citations
- 488Hannes Peer3 patents · 1 citations
- 583Mark Michel2 patents · 0 citations
- 679Peter Novellino2 patents · 0 citations
- 775SUNDE JONATHAN2 patents · 0 citations
- 871Gregory J. Saxton2 patents · 0 citations
- 967Jörg Melde2 patents · 0 citations
- 1063Jörg Pforr2 patents · 0 citations
- 1158Sebastian Bleth2 patents · 0 citations
- 1254Andrew C. Clarey1 patents · 0 citations
- 1350Bing-Hong Yang1 patents · 0 citations
- 1446Guangwu Yang1 patents · 0 citations
- 1542Jingke Zhang1 patents · 0 citations
- 1638Jon B. Zaerr1 patents · 0 citations
- 1733Mark Lamoncha1 patents · 0 citations
- 1829Mingmeng Wang1 patents · 0 citations
- 1925Qingxue Huang1 patents · 0 citations
- 2021Shoune Xiao1 patents · 0 citations
- 2117Thomas Staudacher1 patents · 0 citations
- 2213Vincent E. Ficchi1 patents · 0 citations
- 238Xiaoqiong Zhang1 patents · 0 citations
- 244BOULAY ADRIEN1 patents · 0 citations
- 251CECHVALA JAMIE J1 patents · 0 citations
Active· last 5 yrs
Sustained B61G output across the last 5 years
- 199Donald E. Wilt9 patents · 136 citations
- 296Keith A. Salis7 patents · 62 citations
- 392Erich A. Schoedl9 patents · 39 citations
- 488Anders Westman10 patents · 42 citations
- 583Manuel Tavares19 patents · 36 citations
- 679Zachary Ryan Brook18 patents · 27 citations
- 775Jan Kukulski9 patents · 16 citations
- 871Qingmin Meng7 patents · 12 citations
- 967Balajee Kannan6 patents · 15 citations
- 1063John Michael Lizzi6 patents · 15 citations
- 1158Romano Patrick6 patents · 15 citations
- 1254Jonathan Sunde6 patents · 15 citations
- 1350Kenneth A. James5 patents · 16 citations
- 1446Benjamin Stuart Stabler4 patents · 11 citations
- 1542John Howard4 patents · 11 citations
- 1638Matthew Soule4 patents · 11 citations
- 1733Aaron Stern13 patents · 8 citations
- 1829Hui Liu7 patents · 10 citations
- 1925Perry Levitt10 patents · 6 citations
- 2021Yingjun Cui5 patents · 8 citations
- 2117Christophe Hoyon2 patents · 32 citations
- 2213Thomas Prill4 patents · 10 citations
- 238Shengguo Cong3 patents · 4 citations
- 244John B. Brewster2 patents · 11 citations
- 251Matthew Todt3 patents · 6 citations
All-time canon
Career PatentIndex Score in B61G
- 199Horst T. Kaufhold24 patents · 676 citations
- 296Richard A. Brueckert17 patents · 194 citations
- 392William A. Guess16 patents · 188 citations
- 488Russell G. Altherr26 patents · 684 citations
- 583Richard A. Carlstedt11 patents · 352 citations
- 679John J. Steffen9 patents · 280 citations
- 775Donald F. Kroesch13 patents · 119 citations
- 871Joseph L. Gagliardino13 patents · 232 citations
- 967Jay P. Monaco5 patents · 202 citations
- 1063John W. Kaim13 patents · 329 citations
- 1158William O. Elliott7 patents · 232 citations
- 1254Peter S. Mautino17 patents · 247 citations
- 1350Michael K. Burke5 patents · 165 citations
- 1446Wajih Kanjo23 patents · 302 citations
- 1542Jerry R. Smerecky27 patents · 206 citations
- 1638Michael G. Hawryszkow15 patents · 208 citations
- 1733Jeffrey D. Wurzer13 patents · 160 citations
- 1829P. Scott Mautino7 patents · 120 citations
- 1925Edward G. Lynch, Jr.9 patents · 142 citations
- 2021Walter H. Merker, Jr.7 patents · 81 citations
- 2117Osvaldo F. Chierici11 patents · 135 citations
- 2213Richard M. Hanula9 patents · 126 citations
- 238Thomas A. Marchese7 patents · 106 citations
- 244Boris S. Terlecky5 patents · 101 citations
- 251Mary A. Glover5 patents · 95 citations
Rising· last 2 yrs
The top-scoring B61G patents made public in the last 2 years
- 199US12269518B2✦ AIKnuckle pin0 cites · 20240% earned
- 292US12269451B2✦ AISystems and methods for monitoring brake systems on railway assets0 cites · 20240% earned
- 385US12409872B1✦ AICoupler cross keys0 cites · 20250% earned
- 477US12054184B1Safety systems for railroad trains and cars, methods for operating of the same0 cites · 20240% earned
- 569US12151720B1Anti-collision buffering device for high-speed train0 cites · 20240% earned
- 662US12552422B2Elastomer cushion unit for railcar0 cites · 20240% earned
- 754US12577066B2System and method for mounting fixtures on an independent cart0 cites · 20240% earned
- 846US12472997B2Tow hitch assembly for wheeled vehicles0 cites · 20240% earned
- 938US12187328B2Guide-type anti-climbing energy-absorbing device based on hydraulic shearing0 cites · 20240% earned
- 1031US11975749B2Mounting interface and buffer system for a rail vehicle0 cites · 20240% earned
- 1123US12005938B2Catching device for a shunt coupling0 cites · 20240% earned
- 1215US12589782B2Single wheeled knuckle carrier0 cites · 20240% earned
- 138US12528522B2System for automatic coupling and release of vehicles travelling on the rail network0 cites · 20240% earned
- 141US12565245B2Railway vehicle with collision-protecting crushable areas0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B61G patents of the last 5 years
- 199US11524709B2✦ AIElectric rail vehicle10 cites · 202273% earned
- 296US11945485B2✦ AISingle wheeled knuckle carrier4 cites · 202382% earned
- 392US11814091B2✦ AIVehicle communication and control system3 cites · 202180% earned
- 488US11826667B1Roller coaster with separable cars and paths2 cites · 202376% earned
- 583US11623665B1Tri-mode locomotive2 cites · 202376% earned
- 679US11095062B2Connector assembly2 cites · 202176% earned
- 775US11697440B2Dual tow ring tongue coupler1 cites · 202267% earned
- 871US12351216B2Coupling between moving cars of a transportation system1 cites · 202267% earned
- 967US11345372B1Lightweight yoke for railway coupling1 cites · 202267% earned
- 1063US11708056B2Emergency braking control circuit based on coupler coupling detection1 cites · 202367% earned
- 1158US11364752B2Towing hook1 cites · 202167% earned
- 1254US11865726B2Control system with task manager0 cites · 20230% earned
- 1350US12269518B2Knuckle pin0 cites · 20240% earned
- 1446US12291246B2Railroad car having multiple penetration resistant and protective structures0 cites · 20220% earned
- 1542US12162521B2Cushioning unit with reduced tail yoke0 cites · 20220% earned
- 1638US12539897B2Yoke-mounted coupler support0 cites · 20220% earned
- 1733US11787382B2Systems and methods for monitoring brake systems on railway assets0 cites · 20210% earned
- 1829US12280812B2Railcar spacing tool0 cites · 20220% earned
- 1925US12249797B2High-power plug connection system0 cites · 20230% earned
- 2021US12409872B1Coupler cross keys0 cites · 20250% earned
- 2117US12561617B2Information processing apparatus, information processing method, and storage medium0 cites · 20220% earned
- 2213US11345374B1Lightweight coupler0 cites · 20220% earned
- 238US12304532B2Article conveyance apparatus0 cites · 20220% earned
- 244US12043296B2Train coupler arrangement with axial expansion module0 cites · 20210% earned
- 251US12559146B2Pneumatic coupler control arrangement and method for uncoupling a coupler0 cites · 20230% earned
All-time canon
The defining B61G patents of the whole record
- 199US9550501B2✦ AIVehicle system and method162 cites · 201594% earned
- 296US4566678A✦ AIPolymeric apparatus and method of making the same145 cites · 198693% earned
- 392US5588520A✦ AICrossbelt sortation system141 cites · 199693% earned
- 488US5320046ALow profile railway car122 cites · 199493% earned
- 583US5351844AElastomeric spring unit101 cites · 199493% earned
- 679US5658159AConnector system and methods96 cites · 199793% earned
- 775US4751882AArticulated lightweight piggyback railcar95 cites · 198893% earned
- 871US5582307ARailway car coupler knuckle91 cites · 199693% earned
- 967US4741273ARail semi-trailer and releasable coupler83 cites · 198893% earned
- 1063US4605133ACoupler knuckle80 cites · 198693% earned
- 1158US6702345B1Vehicular shock absorber80 cites · 200493% earned
- 1254US4258628AArticulated railway coupling79 cites · 198193% earned
- 1350US6446820B1Railcar draft gear assembly and system76 cites · 200289% earned
- 1446US4206849ATail portion for railroad car coupler knuckle73 cites · 198093% earned
- 1542US5312007ASlackless railway coupler with draft/buff gear72 cites · 199493% earned
- 1638US6129227ALightweight knuckle for a railroad car coupler69 cites · 200092% earned
- 1733US6030244AConnectors and methods for their use69 cites · 200092% earned
- 1829US8583313B2Robotic vehicle for performing rail-related actions68 cites · 201086% earned
- 1925US5954212ALightweight knuckle for a railroad car coupler67 cites · 199992% earned
- 2021US4336758ARailroad car sill-articulating device member connection66 cites · 198292% earned
- 2117US6796448B1Railcar draft gear housing63 cites · 200492% earned
- 2213US6163089ARailway locomotive ECP train line control63 cites · 200092% earned
- 238US7302994B2Method and system for manufacturing a coupler knuckle62 cites · 200788% earned
- 244US5878897ASlack reduced lock member for a type E raiway coupler60 cites · 199992% earned
- 251US5145076APlastic knuckle pin with annular relief grooves for preventing pin failure due to fatigue60 cites · 199292% earned
Rising· last 2 yrs
Assignees whose newest B61G patents became public in the last 2 years — the current frontier
- 199PENNSY CORP20 patents · 52 citations
- 292AMSTED RAIL CO INC11 patents · 8 citations
- 383Siemens Mobility GmbH7 patents · 5 citations
- 475THE NOLAN COMPANY2 patents · 4 citations
- 567ALSTOM HOLDINGS4 patents · 0 citations
- 658STRATO TECH SOLUTIONS LLC2 patents · 0 citations
- 750GUNDERSON LLC2 patents · 0 citations
- 842CO EL DA SOFTWARE SRL1 patents · 0 citations
- 933FICCHI VINCENT E1 patents · 0 citations
- 1025LAMONCHA MARK1 patents · 0 citations
- 1117ROCKWELL AUTOMATION TECH INC1 patents · 0 citations
- 128UNIV SOUTHWEST JIAOTONG1 patents · 0 citations
- 131UNIV TAIYUAN TECHNOLOGY1 patents · 0 citations
Active· last 5 yrs
Sustained B61G output across the last 5 years
- 199MINER ENTERPRISES24 patents · 753 citations
- 296WESTINGHOUSE AIR BRAKE TECH CORP11 patents · 149 citations
- 392STRATO INC13 patents · 117 citations
- 488DELLNER COUPLERS AB21 patents · 71 citations
- 583VOITH PATENT GMBH25 patents · 84 citations
- 679PENNSY CORP20 patents · 52 citations
- 775PARALLEL SYSTEMS INC4 patents · 11 citations
- 871AMSTED RAIL CO INC11 patents · 8 citations
- 967Siemens Mobility GmbH7 patents · 5 citations
- 1063TRANSP IP HOLDINGS LLC8 patents · 4 citations
- 1158DAIFUKU KK2 patents · 18 citations
- 1254MITSUBISHI ELECTRIC CORP5 patents · 5 citations
- 1350CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD6 patents · 3 citations
- 1446HOLLAND LP2 patents · 11 citations
- 1542CANON KK2 patents · 8 citations
- 1638CNGMOTIVE INC3 patents · 2 citations
- 1733UNIV CENTRAL SOUTH4 patents · 3 citations
- 1829INTER RAIL TRANSP INC2 patents · 4 citations
- 1925AXTONE S A4 patents · 2 citations
- 2021THE NOLAN COMPANY2 patents · 4 citations
- 2117BYD CO LTD3 patents · 2 citations
- 2213KNOXVILLE LOCOMOTIVE WORKS INC1 patents · 2 citations
- 238TINSLEY ERICK1 patents · 2 citations
- 244CRRC NANJING PUZHEN CO LTD2 patents · 1 citations
- 251FAIVELEY TRANSP SCHWAB AG2 patents · 1 citations
All-time canon
All-time PatentIndex Score in B61G
- 199AMSTED IND INC58 patents · 1,561 citations
- 296MINER ENTERPRISES24 patents · 753 citations
- 392TTX CO19 patents · 208 citations
- 488MCCONWAY & TORLEY CORP37 patents · 617 citations
- 583WESTINGHOUSE AIR BRAKE CO55 patents · 734 citations
- 679NAT CASTINGS INC6 patents · 197 citations
- 775ZEFTEK INC6 patents · 179 citations
- 871DRESSER IND13 patents · 253 citations
- 967MCCONWAY & TORLEY LLC9 patents · 161 citations
- 1063HOLLAND CO13 patents · 182 citations
- 1158SCHARFENBERGKUPPLUNG GMBH14 patents · 161 citations
- 1254MIDLAND ROSS CORP20 patents · 212 citations
- 1350BUCKEYE INT7 patents · 143 citations
- 1446NEW YORK AIR BRAKE CORP5 patents · 98 citations
- 1542WESTINGHOUSE AIR BRAKE TECH CORP11 patents · 149 citations
- 1638GEN ELECTRIC5 patents · 206 citations
- 1733STRATO INC13 patents · 117 citations
- 1829KEYSTONE IND INC7 patents · 86 citations
- 1925GEN SIGNAL CORP5 patents · 96 citations
- 2021SPRAINIS RONALD J9 patents · 48 citations
- 2117SMERECKY JERRY R6 patents · 74 citations
- 2213ASF KEYSTONE INC5 patents · 86 citations
- 238ACF IND INC7 patents · 78 citations
- 244AMERICAN STANDARD INC6 patents · 87 citations
- 251WILT DONALD E5 patents · 61 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth