Topic leaderboard
Hats & head coverings
Ranked by the PatentIndex Score — a 1–99 percentile within A42B · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A42B patents became public in the last 2 years — the current frontier
- 199Thad M. Ide48 patents · 1,967 citations
- 296Bart E. Wilson22 patents · 944 citations
- 392Brian James Vanderwoude22 patents · 764 citations
- 488Marshall Proulx11 patents · 517 citations
- 583Bruce D. Henniges11 patents · 619 citations
- 679Vittorio Bologna43 patents · 939 citations
- 775Louis Anthony Vanhoutin38 patents · 688 citations
- 871James W. Teetzel29 patents · 694 citations
- 967Gary M. Lemire19 patents · 588 citations
- 1063Federico Olivares Velasco10 patents · 232 citations
- 1158Vincent R. Long35 patents · 588 citations
- 1254Anthony Opperman11 patents · 342 citations
- 1350David D. Dashevsky11 patents · 342 citations
- 1446Murphy Gillogly12 patents · 187 citations
- 1542David H. Grulke7 patents · 242 citations
- 1638Jacques Durocher33 patents · 428 citations
- 1733Christopher T. Pietrzak29 patents · 209 citations
- 1829Razgo Lee8 patents · 250 citations
- 1925John Maxwell Baker13 patents · 106 citations
- 2021Andrew Royal12 patents · 105 citations
- 2117Chad Austin Brinckerhoff10 patents · 100 citations
- 2213Clint Timothy Schneider10 patents · 100 citations
- 238Evan William Mattingly10 patents · 100 citations
- 244Jonathan Brandt Hadley10 patents · 100 citations
- 251John R. Murkowski10 patents · 100 citations
Active· last 5 yrs
Sustained A42B output across the last 5 years
- 199Nelson Kraemer34 patents · 2,063 citations
- 296Ralph Infusino30 patents · 1,848 citations
- 392Thad M. Ide48 patents · 1,967 citations
- 488Bart E. Wilson22 patents · 944 citations
- 583Matthew Wayne Wallace17 patents · 451 citations
- 679Brian James Vanderwoude22 patents · 764 citations
- 775Marshall Proulx11 patents · 517 citations
- 871Bruce D. Henniges11 patents · 619 citations
- 967Ha Tran20 patents · 672 citations
- 1063Jonathon R. Prendergast18 patents · 846 citations
- 1158Andrew Paul Lundell16 patents · 344 citations
- 1254David Anthony Zboray16 patents · 344 citations
- 1350Eric A. Preisz16 patents · 344 citations
- 1446Jeremiah Hennessey16 patents · 344 citations
- 1542Matthew Alan Bennett16 patents · 344 citations
- 1638Paul Dana16 patents · 344 citations
- 1733Yvette Christine Dudac16 patents · 344 citations
- 1829Zachary Steven Lenker16 patents · 344 citations
- 1925Vittorio Bologna43 patents · 939 citations
- 2021Richard M. Greenwald15 patents · 591 citations
- 2117Carl J. Abraham11 patents · 687 citations
- 2213Timothy J. Landis9 patents · 545 citations
- 238Louis Anthony Vanhoutin38 patents · 688 citations
- 244Cortney Warmouth34 patents · 670 citations
- 251Frampton E. Ellis19 patents · 262 citations
All-time canon
Career PatentIndex Score in A42B
- 199Adrian Larkin15 patents · 1,965 citations
- 296Perry Youngs15 patents · 1,965 citations
- 392Peter Flentov31 patents · 4,537 citations
- 488Burl W. Amsbury13 patents · 1,179 citations
- 583Paul Jonjak11 patents · 1,039 citations
- 679Nelson Kraemer34 patents · 2,063 citations
- 775Ralph Infusino30 patents · 1,848 citations
- 871Nikola Lakic6 patents · 1,419 citations
- 967Thad M. Ide48 patents · 1,967 citations
- 1063Timothy D. Bayne11 patents · 948 citations
- 1158Christopher R. P. Withnall8 patents · 619 citations
- 1254Bart E. Wilson22 patents · 944 citations
- 1350Seth Wilson6 patents · 585 citations
- 1446David W. Bainbridge7 patents · 770 citations
- 1542L. Paul Nickerson7 patents · 770 citations
- 1638Gregory J. Sesselmann6 patents · 509 citations
- 1733Matthew Wayne Wallace17 patents · 451 citations
- 1829Brian James Vanderwoude22 patents · 764 citations
- 1925Marshall Proulx11 patents · 517 citations
- 2021Cherie Alexander9 patents · 994 citations
- 2117Bruce D. Henniges11 patents · 619 citations
- 2213Tseng-Lu Chien9 patents · 971 citations
- 238Elwyn R. Gooding7 patents · 891 citations
- 244Mary Schwebel5 patents · 402 citations
- 251Ha Tran20 patents · 672 citations
Rising· last 2 yrs
The top-scoring A42B patents made public in the last 2 years
- 199US11932720B1✦ AIFlexible medical item container6 cites · 202485% earned
- 296US12408718B2✦ AIPowered helmet accessory rail with slot interface3 cites · 202580% earned
- 392US12144390B1✦ AIProtective headwear3 cites · 202480% earned
- 488US12364302B2Rail for mounting accessories to a helmet3 cites · 202461% earned
- 583US12146741B2Construction layout using augmented reality for guiding total station relock3 cites · 202463% earned
- 679US12310442B1Hat with detachable liner2 cites · 202561% earned
- 775US12349756B2Impact protection systems2 cites · 202467% earned
- 871US12121095B1Helmet2 cites · 202476% earned
- 967US12342896B2Wearable head-protecting safety device2 cites · 202576% earned
- 1063US12426660B1Intelligent protective helmet system with modular sensor-integrated shock-absorbing pads1 cites · 202567% earned
- 1158US12302975B1Protective headgear3 cites · 202580% earned
- 1254US12011055B1Graduation cap decoration system and method4 cites · 202482% earned
- 1350US12137766B1Helmet with adjustable rear hair support4 cites · 202482% earned
- 1446US12220016B1Protective sports helmet with advanced visor system, lower chin bar assembly and energy at4 cites · 202575% earned
- 1542US12048344B2Fastening device, combination of fastening device, functional unit and receiving unit, and2 cites · 202453% earned
- 1638US12262774B2Attachment features for batting helmets2 cites · 202458% earned
- 1733US12285069B2Helmet accessory system2 cites · 202476% earned
- 1829US11883197B1Head-mounted physiological signal monitoring system, devices and methods2 cites · 202446% earned
- 1925US12408722B2Modular liner system for protective helmets1 cites · 202544% earned
- 2021USD1010235SCup for a chinstrap assembly2 cites · 202458% earned
- 2117US12426662B2Facemask system1 cites · 202450% earned
- 2213US12383014B2Helmet1 cites · 202450% earned
- 238US12207696B2Fielder's mask with flexible retention system1 cites · 202450% earned
- 244US12532933B2Hat brim technology1 cites · 202450% earned
- 251US12369669B2Systems and methods for providing reliable helmet suspension installation2 cites · 202467% earned
Active· last 5 yrs
The top-scoring A42B patents of the last 5 years
- 199US11147323B1✦ AIProtective face shield attachable to headwear45 cites · 202192% earned
- 296US11229254B1✦ AIDispersing helmet safety system and method33 cites · 202287% earned
- 392US10948898B1✦ AISystem and method for custom forming a protective helmet for a customer's head37 cites · 202177% earned
- 488US11213736B2System and methods for designing and manufacturing a bespoke protective sports helmet29 cites · 202175% earned
- 583US11202925B1Full face and head mask18 cites · 202189% earned
- 679US11311067B2Protective sports helmet21 cites · 202176% earned
- 775US11064744B1Face mask19 cites · 202190% earned
- 871US11730226B2Augmented reality assisted communication18 cites · 202177% earned
- 967US12161183B2System for monitoring a physiological parameter of a person wearing protective sports equi8 cites · 202362% earned
- 1063US11083231B1Sanitizing face mask16 cites · 202184% earned
- 1158US11452328B2Helmet accessory mounting system13 cites · 202279% earned
- 1254US11319960B2Portable temperature regulation device13 cites · 202288% earned
- 1350US11638457B2Protective helmet15 cites · 202178% earned
- 1446US11019870B2Hard hat lamp attachment system15 cites · 202189% earned
- 1542US11039651B1Artificial reality hat17 cites · 202189% earned
- 1638US11937660B2Hard hat face shield attachment system9 cites · 202281% earned
- 1733US10905187B1Collapsible helmet13 cites · 202188% earned
- 1829US11819620B2Directional lock for interface headgear arrangement6 cites · 202371% earned
- 1925US10973267B1Personal protective and monitoring device11 cites · 202182% earned
- 2021US11419382B2Modular helmet system9 cites · 202187% earned
- 2117US12127608B2Article of apparel including a bladder7 cites · 202379% earned
- 2213US11409344B1Head-mounted heat dissipation device7 cites · 202286% earned
- 238US11219261B1Cap with aperture12 cites · 202288% earned
- 244US11564437B2Removable chin curtain assembly selectively attachable to a helmet10 cites · 202187% earned
- 251US11134729B1Apparatus for safe eating and drinking in public during airborne contamination10 cites · 202187% earned
All-time canon
The defining A42B patents of the whole record
- 199US6539336B1✦ AISport monitoring system for determining airtime, speed, power absorbed and other factors s745 cites · 200385% earned
- 296US7092846B2✦ AISystems and methods for determining performance data391 cites · 200584% earned
- 392US7457724B2✦ AIShoes and garments employing one or more of accelerometers, wireless transmitters, process375 cites · 200684% earned
- 488US6350275B1Devices for treating circadian rhythm disorders using LED's368 cites · 200294% earned
- 583US5025575AInflatable sole lining for shoes and boots365 cites · 199194% earned
- 679US5846063AMiniature universal pump and valve for inflatable liners356 cites · 199894% earned
- 775US6959259B2System and methods for determining performance data344 cites · 200384% earned
- 871US6266623B1Sport monitoring apparatus for determining loft time, speed, power absorbed and other fact323 cites · 200184% earned
- 967US6256798B1Helmet with adjustable safety strap323 cites · 200194% earned
- 1063US4991317AInflatable sole lining for shoes and boots314 cites · 199194% earned
- 1158US5978972AHelmet system including at least three accelerometers and mass memory and method for recor301 cites · 199994% earned
- 1254US7162392B2Sport performance systems for measuring athletic performance, and associated methods301 cites · 200694% earned
- 1350US4307471AProtective helmet300 cites · 198194% earned
- 1446US5204998ASafety helmet with bellows cushioning device300 cites · 199394% earned
- 1542US4457985ABallistic-resistant article299 cites · 198494% earned
- 1638US6457179B1Helmet mount for night vision device299 cites · 200294% earned
- 1733US7174277B2Product integrity systems and associated methods295 cites · 200580% earned
- 1829US7627451B2Movement and event systems and associated methods288 cites · 200780% earned
- 1925US6658671B1Protective helmet288 cites · 200394% earned
- 2021US6028627ACamera system for capturing a sporting activity from the perspective of the participant283 cites · 200094% earned
- 2117US6152137APliable and resilient sealing pad281 cites · 200094% earned
- 2213US6301367B1Wearable audio system with acoustic modules279 cites · 200194% earned
- 238US5956777AHelmet278 cites · 199994% earned
- 244US5916664AMulti-celled cushion and method of its manufacture277 cites · 199991% earned
- 251US5636146AApparatus and methods for determining loft time and speed276 cites · 199787% earned
Rising· last 2 yrs
Assignees whose newest A42B patents became public in the last 2 years — the current frontier
- 199NIKE INC80 patents · 1,776 citations
- 296RIDDELL66 patents · 3,152 citations
- 392GENTEX CORP73 patents · 2,696 citations
- 488STRYKER CORP32 patents · 589 citations
- 583BELL SPORTS INC133 patents · 2,210 citations
- 679RACING OPTICS INC15 patents · 357 citations
- 775US ARMY21 patents · 933 citations
- 871US NAVY24 patents · 767 citations
- 967HONDA MOTOR CO LTD24 patents · 526 citations
- 1063SHOEI CO LTD38 patents · 705 citations
- 1158WILCOX IND CORP25 patents · 452 citations
- 1254ILLUMAGEAR INC15 patents · 111 citations
- 1350UNDER ARMOUR INC18 patents · 181 citations
- 1446LIONHEAD HELMET INTELLECTUAL PROPERTIES LP12 patents · 94 citations
- 1542ORBITAL RES INC9 patents · 67 citations
- 1638MIPS AB31 patents · 126 citations
- 1733LOMBARD VERNON15 patents · 74 citations
- 1829SUNDAY AFTERNOONS INC12 patents · 65 citations
- 1925BRYAN FAMILY ENTPR LLC6 patents · 46 citations
- 2021DRAEGER SAFETY AG & CO KGAA19 patents · 102 citations
- 2117MILWAUKEE ELECTRIC TOOL CORP24 patents · 60 citations
- 2213POLARIS INC9 patents · 48 citations
- 238ARCACHON HOLDINGS LLC11 patents · 39 citations
- 244MARKEL GAL6 patents · 34 citations
- 251RAWLINGS SPORTING GOODS COMPANY INC10 patents · 34 citations
Active· last 5 yrs
Sustained A42B output across the last 5 years
- 199NIKE INC80 patents · 1,776 citations
- 296RIDDELL66 patents · 3,152 citations
- 392GENTEX CORP73 patents · 2,696 citations
- 488NOROTOS INC18 patents · 1,305 citations
- 583LINCOLN GLOBAL INC22 patents · 479 citations
- 679OAKLEY INC11 patents · 609 citations
- 775TRAN BAO20 patents · 672 citations
- 871STRYKER CORP32 patents · 589 citations
- 967BELL SPORTS INC133 patents · 2,210 citations
- 1063RACING OPTICS INC15 patents · 357 citations
- 11583M INNOVATIVE PROPERTIES CO48 patents · 924 citations
- 1254US ARMY21 patents · 933 citations
- 1350SPORT MASKA INC20 patents · 579 citations
- 1446US NAVY24 patents · 767 citations
- 1542HONDA MOTOR CO LTD24 patents · 526 citations
- 1638SHOEI CO LTD38 patents · 705 citations
- 1733KRANOS IP CORP38 patents · 376 citations
- 1829WILCOX IND CORP25 patents · 452 citations
- 1925OP D OP INC6 patents · 232 citations
- 2021ILLINOIS TOOL WORKS29 patents · 261 citations
- 2117KIMBERLY CLARK CO6 patents · 218 citations
- 2213ILLUMAGEAR INC15 patents · 111 citations
- 238UNDER ARMOUR INC18 patents · 181 citations
- 244XENITH LLC7 patents · 287 citations
- 251INTEGRA LIFESCIENCES CORP11 patents · 102 citations
All-time canon
All-time PatentIndex Score in A42B
- 199PHATRAT TECH INC12 patents · 3,468 citations
- 296NIKE INC80 patents · 1,776 citations
- 392APPLE INC12 patents · 923 citations
- 488RIDDELL66 patents · 3,152 citations
- 583LAKIC NIKOLA6 patents · 1,419 citations
- 679PHATRAT TECHNOLOGY LLC8 patents · 669 citations
- 775GENTEX CORP73 patents · 2,696 citations
- 871BROCK USA LLC7 patents · 770 citations
- 967NOROTOS INC18 patents · 1,305 citations
- 1063LINCOLN GLOBAL INC22 patents · 479 citations
- 1158CAIRNS & BROTHER INC12 patents · 1,279 citations
- 1254OAKLEY INC11 patents · 609 citations
- 1350TRAN BAO20 patents · 672 citations
- 1446BELL HELMETS INC18 patents · 1,533 citations
- 1542BULLARD CO19 patents · 1,101 citations
- 1638STRYKER CORP32 patents · 589 citations
- 1733BELL SPORTS INC133 patents · 2,210 citations
- 1829RACING OPTICS INC15 patents · 357 citations
- 1925BAUER NIKE HOCKEY INC7 patents · 760 citations
- 2021KENDALL & CO11 patents · 820 citations
- 2117SHOEI KAKO KK27 patents · 1,352 citations
- 2213ITECH SPORT PROD INC6 patents · 520 citations
- 238MINE SAFETY APPLIANCES CO20 patents · 969 citations
- 244SPECIALIZED BICYCLE COMPONENTS15 patents · 663 citations
- 2513M INNOVATIVE PROPERTIES CO48 patents · 924 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth