Topic leaderboard
Walking sticks, umbrellas & fans
Ranked by the PatentIndex Score — a 1–99 percentile within A45B · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest A45B patents became public in the last 2 years — the current frontier
- 199Mark Ma7 patents · 168 citations
- 296Po-Lung Tung4 patents · 285 citations
- 392Chih-Ting Pao11 patents · 92 citations
- 488Sun-Feng Sung9 patents · 68 citations
- 583David Haythornthwaite13 patents · 42 citations
- 679Xiong Luo25 patents · 62 citations
- 775Robert Steven Graybill6 patents · 33 citations
- 871Ray Winn6 patents · 69 citations
- 967Jianqiang Xie10 patents · 41 citations
- 1063Ryan Ward6 patents · 20 citations
- 1158William R. Schermerhorn4 patents · 44 citations
- 1254Joseph L. Pikulski4 patents · 13 citations
- 1350Ziguo Wang5 patents · 15 citations
- 1446Shih-Chieh Liu4 patents · 18 citations
- 1542Shimin Jin4 patents · 8 citations
- 1638Paul James2 patents · 4 citations
- 1733William Martin Browne2 patents · 4 citations
- 1829Krissa Watry2 patents · 4 citations
- 1925Alan Horovitz2 patents · 4 citations
- 2021Roberta A. Lipman2 patents · 3 citations
- 2117Mark Andrew Fraser2 patents · 2 citations
- 2213Alexander Wellen2 patents · 3 citations
- 238Nathaniel Wellen2 patents · 3 citations
- 244Christie L. Shaffer2 patents · 2 citations
- 251Robert W. Shaffer2 patents · 2 citations
Active· last 5 yrs
Sustained A45B output across the last 5 years
- 199Dougan H. Clarke12 patents · 502 citations
- 296Benson Tung19 patents · 650 citations
- 392Tsun-Zong Wu34 patents · 654 citations
- 488Dee Volin14 patents · 231 citations
- 583Mark Ma7 patents · 168 citations
- 679Armen Sevada Gharabegian22 patents · 174 citations
- 775Terry Hermanson14 patents · 187 citations
- 871Po-Lung Tung4 patents · 285 citations
- 967Eberhard Heim18 patents · 121 citations
- 1063Chih-Ting Pao11 patents · 92 citations
- 1158Paula Kay North7 patents · 37 citations
- 1254Robert Wallace North7 patents · 37 citations
- 1350Zhun-An Ma23 patents · 96 citations
- 1446Sun-Feng Sung9 patents · 68 citations
- 1542David Haythornthwaite13 patents · 42 citations
- 1638Xiong Luo25 patents · 62 citations
- 1733Robert Steven Graybill6 patents · 33 citations
- 1829Ray Winn6 patents · 69 citations
- 1925Jianqiang Xie10 patents · 41 citations
- 2021Brian M. Mcmahon4 patents · 32 citations
- 2117Ryan Ward6 patents · 20 citations
- 2213Frank Sivo5 patents · 22 citations
- 238Gary L. Schroeder5 patents · 22 citations
- 244Wang Su5 patents · 22 citations
- 251Joseph L. Christie4 patents · 60 citations
All-time canon
Career PatentIndex Score in A45B
- 199Iain Brooks11 patents · 511 citations
- 296Konstantinos Panagiotopoulos11 patents · 511 citations
- 392Uwe Erb11 patents · 511 citations
- 488Dave Limoges10 patents · 466 citations
- 583Dougan H. Clarke12 patents · 502 citations
- 679Gustav Adolf Glatz9 patents · 546 citations
- 775Oliver Joen-An Ma53 patents · 1,815 citations
- 871Wanda Ying Li33 patents · 1,157 citations
- 967Gregory G. Kuelbs9 patents · 420 citations
- 1063Benson Tung19 patents · 650 citations
- 1158Daehyun Jeong6 patents · 372 citations
- 1254Ching-Chuan You30 patents · 661 citations
- 1350Jung-Jen Chang56 patents · 1,398 citations
- 1446Chung-Kuang Lin51 patents · 1,292 citations
- 1542Wanda Yiing Li7 patents · 319 citations
- 1638Tsun-Zong Wu34 patents · 654 citations
- 1733Klaus Lenhart26 patents · 554 citations
- 1829Samuel F. Patarra5 patents · 266 citations
- 1925Sarah Akin11 patents · 151 citations
- 2021Emanuel Dubinsky8 patents · 259 citations
- 2117Walter Steiner6 patents · 282 citations
- 2213Clyde C. Grady, Ii5 patents · 235 citations
- 238Chin-Sung Ko24 patents · 443 citations
- 244Chorng-Cheng Lee7 patents · 215 citations
- 251Mark Ma5 patents · 240 citations
Rising· last 2 yrs
The top-scoring A45B patents made public in the last 2 years
- 199US12096830B2✦ AIErgonomic cane with novel base and additional components3 cites · 202472% earned
- 296US12225989B1✦ AIOutdoor roman umbrella with umbrella opening and closing structure2 cites · 202576% earned
- 392US12262800B1✦ AICantilever umbrella2 cites · 202576% earned
- 488US12408740B2Umbrella with pivoting locking device and related methods3 cites · 202480% earned
- 583US12133582B1Smart cane for a visually impaired individual2 cites · 202476% earned
- 679US12127647B2Cane with seat3 cites · 202480% earned
- 775US12135582B1Articulating sun shield for electronic components3 cites · 202480% earned
- 871US11965347B1Combination leash and umbrella holder device4 cites · 202475% earned
- 967US12185805B1Cane apparatus2 cites · 202576% earned
- 1063US12038167B2Lamp structure of umbrella2 cites · 202476% earned
- 1158US11959298B1Modular canopy apparatus3 cites · 202480% earned
- 1254US12349773B2Illuminated walking assistance apparatus1 cites · 202546% earned
- 1350US12553255B2Portable shelters1 cites · 202546% earned
- 1446US12313233B2Rod assembly for an umbrella1 cites · 202467% earned
- 1542US12213568B2Motorized telescopic umbrella attachment device2 cites · 202476% earned
- 1638US11930898B1Storage container for canes and walkers2 cites · 202476% earned
- 1733US12193547B2Cantilevered umbrella1 cites · 202456% earned
- 1829US12357065B2Umbrella with sliding mast and related methods1 cites · 202456% earned
- 1925US12013111B2Light mechanism for an umbrella1 cites · 202467% earned
- 2021US12285089B1Universal retrofittable magnetic closing device for an outdoor umbrella1 cites · 202567% earned
- 2117US12507808B2Foldable chair1 cites · 202467% earned
- 2213US12310468B2Side-arm umbrella structure1 cites · 202467% earned
- 238US12514348B2Handle for a walking assistance device1 cites · 202567% earned
- 244US12235569B1Integrated selfie attachment1 cites · 202567% earned
- 251US12326653B2Rapid telescoping support pole1 cites · 202467% earned
Active· last 5 yrs
The top-scoring A45B patents of the last 5 years
- 199US11428023B2✦ AIPortable shelters8 cites · 202273% earned
- 296US11700946B2✦ AIFoldable supporting device8 cites · 202286% earned
- 392US10925362B1✦ AIHand-operated cantilever umbrella11 cites · 202188% earned
- 488US11096458B1Multi-use umbrella with water filtration and sail functions9 cites · 202187% earned
- 583US11470929B1Convertible ambulatory device kit9 cites · 202287% earned
- 679US11098861B1Sun umbrella capable of emitting light in all directions10 cites · 202187% earned
- 775US11166530B1Conversion kit for using trekking poles as camping chair10 cites · 202187% earned
- 871US11821180B1Integrated system for collecting rainwater for irrigation and watering plants5 cites · 202384% earned
- 967US11332954B1Laptop shade and platform system8 cites · 202286% earned
- 1063US10925360B1Portable, ergonomic, and selectively adjustable umbrella and seat support structure11 cites · 202188% earned
- 1158US11369202B2Multi-mode portable collapsible chair with multipurpose accessory bag9 cites · 202181% earned
- 1254US11629520B1Movable decorative base assembly selectively attachable to a parasol or umbrella9 cites · 202387% earned
- 1350US11846982B1Laptop case and collapsible shade system6 cites · 202385% earned
- 1446US11849821B2Vehicle-carrying leisure-purpose parasol rack6 cites · 202385% earned
- 1542US11399603B1Physically-impaired-assisting multi-function sail7 cites · 202286% earned
- 1638US11432651B2Folding mechanism and foldable chair with the same7 cites · 202286% earned
- 1733US11350711B1Knee curve cane apparatus7 cites · 202286% earned
- 1829US11414256B2All purpose cooler with tabletop7 cites · 202186% earned
- 1925US11377866B1Beach umbrella anchoring and stabilizing device8 cites · 202276% earned
- 2021US10881173B1Walking stick with integrated water filtration8 cites · 202186% earned
- 2117US11712394B1Shock absorbing ferrule for assisted ambulation4 cites · 202382% earned
- 2213US11559135B1Umbrella support post with rotatable table6 cites · 202385% earned
- 238US11350755B2Foldable chair6 cites · 202185% earned
- 244US11408192B2Portable, ergonomic, and selectively adjustable umbrella and seat support structure6 cites · 202185% earned
- 251US11388963B2Tiltable umbrella with removable guide track7 cites · 202175% earned
All-time canon
The defining A45B patents of the whole record
- 199US8046054B2✦ AIBi-planar fluoroscopy guided robot system for minimally invasive surgery and the control m287 cites · 201094% earned
- 296US5033528A✦ AIPersonal portable sunshade239 cites · 199194% earned
- 392US5116273A✦ AISelf-extending portable panels227 cites · 199294% earned
- 488US6474097B2Compartmented mobile cooler211 cites · 200294% earned
- 583US5269157AInsulated beach box with utility attachments204 cites · 199394% earned
- 679US5480170ACooler caddy, and methods of constructing and utilizing same200 cites · 199694% earned
- 775US7354354B2Article comprising a fine-grained metallic material and a polymeric material187 cites · 200688% earned
- 871US6612713B1Umbrella apparatus180 cites · 200385% earned
- 967US5349975AAir cooled umbrella167 cites · 199494% earned
- 1063US5273062AUmbrella161 cites · 199394% earned
- 1158US5265969AAngle-adjustable joint157 cites · 199394% earned
- 1254US5937882AUmbrella with side support for tilting and opening155 cites · 199994% earned
- 1350US6152156ASunshade with a tiltable canopy153 cites · 200094% earned
- 1446US4524484AExtension handle having cooperating male and female locking sleeves147 cites · 198594% earned
- 1542US5584564ABattery operated lighting apparatus144 cites · 199693% earned
- 1638US6298866B1Table umbrella apparatus140 cites · 200193% earned
- 1733US6837255B2Illuminated umbrella assembly having self-contained and replacable lighting136 cites · 200493% earned
- 1829US9146051B2Multifunctional coolers130 cites · 201493% earned
- 1925US4368749AWireless umbrella frame126 cites · 198393% earned
- 2021US6017188APatio table and pole fan combination125 cites · 200093% earned
- 2117US5785069AStanding umbrella125 cites · 199893% earned
- 2213US7614600B1Umbrella base with power supply121 cites · 200990% earned
- 238US4627210AHub assembly for collapsible structure121 cites · 198693% earned
- 244US5046699AAnchoring device for post120 cites · 199193% earned
- 251US5575294AMethod and device for managing freezing gait disorders119 cites · 199693% earned
Rising· last 2 yrs
Assignees whose newest A45B patents became public in the last 2 years — the current frontier
- 199MA MARK J S7 patents · 165 citations
- 296SHEDRAIN CORP15 patents · 85 citations
- 392STEP2GOLD CO LTD8 patents · 56 citations
- 488REGALO INT LLC5 patents · 34 citations
- 583YOTRIO GROUP CO LTD8 patents · 42 citations
- 679PHAETON MFG LLC11 patents · 32 citations
- 775WARD RYAN THOMAS6 patents · 20 citations
- 871WINN RAY5 patents · 11 citations
- 967ATLeisure LLC4 patents · 21 citations
- 1063TEMPO MFG LLC12 patents · 18 citations
- 1158LEE MING HSIEN4 patents · 33 citations
- 1254ARDISAM INC4 patents · 12 citations
- 1350ZHEJIANG DINGSHENG OUTDOOR LIVING PRODUCTS CO LTD4 patents · 26 citations
- 1446LINHAI GUOKANG LEISURE PRODUCTS CO LTD4 patents · 14 citations
- 1542PIKULSKI JOSEPH3 patents · 9 citations
- 1638YOUNG DAVID2 patents · 24 citations
- 1733LINHAI ZHONGTIAN ELECTRONIC APPLIANCE CO LTD4 patents · 8 citations
- 1829SCHERMERHORN WILLIAM R3 patents · 8 citations
- 1925SOLBELLO INC2 patents · 4 citations
- 2021HOMECARE ENTPR CO LTD3 patents · 3 citations
- 2117HOROVITZ ALAN2 patents · 4 citations
- 2213UNIV KING FAISAL2 patents · 5 citations
- 238LIPMAN ROBERTA A2 patents · 3 citations
- 244FRASER MARK ANDREW2 patents · 2 citations
- 251PATIO LEASH LLC2 patents · 2 citations
Active· last 5 yrs
Sustained A45B output across the last 5 years
- 199GLATZ AG12 patents · 685 citations
- 296SAMSUNG ELECTRONICS CO LTD13 patents · 234 citations
- 392TUNG BENSON13 patents · 300 citations
- 488VOLIN DEE14 patents · 231 citations
- 583MA MARK J S7 patents · 165 citations
- 679HERMANSON TERRY10 patents · 176 citations
- 775LEKISPORT AG24 patents · 149 citations
- 871SHEDRAIN CORP15 patents · 85 citations
- 967PREMIER TENTS INC7 patents · 37 citations
- 1063MA ZHUN AN22 patents · 94 citations
- 1158ZHEJIANG YOTRIO GROUP CO LTD10 patents · 72 citations
- 1254STEP2GOLD CO LTD8 patents · 56 citations
- 1350REGALO INT LLC5 patents · 34 citations
- 1446CLARKE DOUGAN H5 patents · 73 citations
- 1542SHADECRAFT INC9 patents · 33 citations
- 1638YOTRIO GROUP CO LTD8 patents · 42 citations
- 1733GRAYBILL ROBERT STEVEN4 patents · 32 citations
- 1829PHAETON MFG LLC11 patents · 32 citations
- 1925WARD RYAN THOMAS6 patents · 20 citations
- 2021SCHROEDER GARY L5 patents · 22 citations
- 2117WINN RAY5 patents · 11 citations
- 2213ATLeisure LLC4 patents · 21 citations
- 238NINGHAI XINGDA LEISURE PRODUCTS CO LTD4 patents · 29 citations
- 244TEMPO MFG LLC12 patents · 18 citations
- 251LEE MING HSIEN4 patents · 33 citations
All-time canon
All-time PatentIndex Score in A45B
- 199INTEGRAN TECHNOLOGIES INC10 patents · 504 citations
- 296GLATZ AG12 patents · 685 citations
- 392MA OLIVER JOEN-AN50 patents · 1,674 citations
- 488TEAM WORLDWIDE CORP9 patents · 278 citations
- 583LI WANDA YING28 patents · 849 citations
- 679TREK MEDICAL CORP5 patents · 225 citations
- 775FU TAI UMBRELLA WORKS LTD55 patents · 1,405 citations
- 871ZON11 patents · 151 citations
- 967SAMSUNG ELECTRONICS CO LTD13 patents · 234 citations
- 1063TUNG BENSON13 patents · 300 citations
- 1158SALOMON SA5 patents · 145 citations
- 1254WORLD FACTORY INC4 patents · 335 citations
- 1350LENHART KLAUS11 patents · 195 citations
- 1446VOLIN DEE14 patents · 231 citations
- 1542KORTENBACH & RAUH KG7 patents · 156 citations
- 1638MA MARK J S7 patents · 165 citations
- 1733DUBINSKY EMANUEL6 patents · 160 citations
- 1829YOU CHING-CHUAN14 patents · 192 citations
- 1925AMERICAN HOLTZKRAFT INC5 patents · 142 citations
- 2021KUELBS GREGORY G5 patents · 85 citations
- 2117WU TSUN-ZONG13 patents · 164 citations
- 2213TOTES INC13 patents · 199 citations
- 238HERMANSON TERRY10 patents · 176 citations
- 244YANG CHI KUO6 patents · 121 citations
- 251HOLTZ LEONARD4 patents · 149 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth