Topic leaderboard
Portable lighting devices or systems
Ranked by the PatentIndex Score — a 1–99 percentile within F21L · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F21L patents became public in the last 2 years — the current frontier
- 199Raymond L. Sharrah90 patents · 2,577 citations
- 296Andrea M. Sreshta20 patents · 130 citations
- 392Anna Ruth Stork20 patents · 130 citations
- 488David Proeber50 patents · 143 citations
- 583Dennis Bertken20 patents · 127 citations
- 679Cody Duane Grandadam24 patents · 95 citations
- 775Ross Mcintyre27 patents · 91 citations
- 871Jason D. Thurner27 patents · 72 citations
- 967Kyle Harvey26 patents · 75 citations
- 1063Duane W. Wenzel22 patents · 77 citations
- 1158Jonathan R. Sharrah14 patents · 80 citations
- 1254Justin D. Dorman21 patents · 51 citations
- 1350Brian Cornell26 patents · 61 citations
- 1446Josh Adams15 patents · 51 citations
- 1542Walter Chambers8 patents · 45 citations
- 1638Daniel Joseph Selevan10 patents · 64 citations
- 1733James R. Selevan10 patents · 64 citations
- 1829Jeremy B. Ross10 patents · 55 citations
- 1925Todd Chambers9 patents · 26 citations
- 2021Joshua Schermerhorn17 patents · 39 citations
- 2117Owen J. Gill7 patents · 77 citations
- 2213Alan Amundson18 patents · 51 citations
- 238Emily C. Doberstein8 patents · 39 citations
- 244Michael A. Matthews6 patents · 75 citations
- 251Zachary Self6 patents · 75 citations
Active· last 5 yrs
Sustained F21L output across the last 5 years
- 199Raymond L. Sharrah90 patents · 2,577 citations
- 296Anthony Maglica120 patents · 4,386 citations
- 392Robert D. Galli46 patents · 1,421 citations
- 488Richard E. Feinbloom16 patents · 459 citations
- 583William A. Hunt10 patents · 457 citations
- 679Peter J. Ziegenfuss20 patents · 362 citations
- 775Kenneth Braganca12 patents · 243 citations
- 871Andrea M. Sreshta20 patents · 130 citations
- 967Anna Ruth Stork20 patents · 130 citations
- 1063David Proeber50 patents · 143 citations
- 1158Timothy D. F. Ford20 patents · 192 citations
- 1254Wen-Sung Lee10 patents · 168 citations
- 1350Thomas D. Boris21 patents · 206 citations
- 1446William D. Worman17 patents · 154 citations
- 1542Dennis Bertken20 patents · 127 citations
- 1638Cody Duane Grandadam24 patents · 95 citations
- 1733Ross Mcintyre27 patents · 91 citations
- 1829Cleatis A. Eichelberger10 patents · 120 citations
- 1925Jason D. Thurner27 patents · 72 citations
- 2021Kyle Harvey26 patents · 75 citations
- 2117Duane W. Wenzel22 patents · 77 citations
- 2213Jonathan R. Sharrah14 patents · 80 citations
- 238Justin D. Dorman21 patents · 51 citations
- 244Michael M. Muehlemann7 patents · 108 citations
- 251Brian Cornell26 patents · 61 citations
All-time canon
Career PatentIndex Score in F21L
- 199Charles T. Bourn13 patents · 1,730 citations
- 296Gary A. Lebens13 patents · 1,730 citations
- 392Tatsumi Setomoto5 patents · 821 citations
- 488Tetsushi Tamura5 patents · 821 citations
- 583Raymond L. Sharrah90 patents · 2,577 citations
- 679Charles W. Craft23 patents · 1,259 citations
- 775John C. Dinenna15 patents · 862 citations
- 871Anthony Maglica120 patents · 4,386 citations
- 967Robert D. Galli46 patents · 1,421 citations
- 1063Armis L. Lewis16 patents · 998 citations
- 1158Tseng-Lu Chien11 patents · 515 citations
- 1254James Newton24 patents · 710 citations
- 1350Bijan Bayat20 patents · 700 citations
- 1446David A. Spartano18 patents · 1,423 citations
- 1542Ralph E. Johnson12 patents · 671 citations
- 1638Alan K. Uke17 patents · 627 citations
- 1733W. Clay Reeves18 patents · 750 citations
- 1829David R. Dalton22 patents · 723 citations
- 1925David L. Reiff6 patents · 503 citations
- 2021Paul J. Reiff6 patents · 503 citations
- 2117Richard E. Feinbloom16 patents · 459 citations
- 2213David R. Schaller7 patents · 492 citations
- 238Robert J. Delong5 patents · 399 citations
- 244William A. Hunt10 patents · 457 citations
- 251Donald Keller7 patents · 415 citations
Rising· last 2 yrs
The top-scoring F21L patents made public in the last 2 years
- 199US12085241B1✦ AIFlashlight with rechargeable battery assembly9 cites · 202474% earned
- 296USD1010194S✦ AIPumpkin shape projection lamp9 cites · 202487% earned
- 392US12392459B2✦ AIDual power light source3 cites · 202567% earned
- 488US12255477B1Charging holster and flashlight3 cites · 202572% earned
- 583US12146623B1Flashlight having multi-position head with downlight3 cites · 202480% earned
- 679US11985967B1Light-emitting diode (LED) lamp for bug deterrence4 cites · 202482% earned
- 775US12025298B1Camping lamp convenient for storage4 cites · 202482% earned
- 871US11988368B1Portable light system4 cites · 202482% earned
- 967US12173863B2Stand light3 cites · 202461% earned
- 1063US11987943B1Traffic marker illumination device3 cites · 202467% earned
- 1158US12363814B1Luminous device and wearable object with the same2 cites · 202576% earned
- 1254US12111043B2Lighting device with multiple light sources2 cites · 202476% earned
- 1350US12429196B2Light with adjustable tail for articles2 cites · 202576% earned
- 1446US12038153B1Safety focusing ignition flashlight device3 cites · 202480% earned
- 1542USD1046135SSuture fastener3 cites · 202463% earned
- 1638US11920745B1Lighting systems comprising connectable lighting devices3 cites · 202480% earned
- 1733US11859781B1Portable illumination device3 cites · 202480% earned
- 1829US11976793B1Portable rotating lamp2 cites · 202476% earned
- 1925US12402221B2Portable light with multiple operating modes1 cites · 202539% earned
- 2021US12270537B2Storage unit with light-emitting components1 cites · 202442% earned
- 2117US12196399B1Longitudinally gripping light device, focus adjustable pistol type spotlight and swivel ho1 cites · 202546% earned
- 2213US12352397B2Multi-purpose flashlight1 cites · 202450% earned
- 238US12366348B2Stand for portable accessory1 cites · 202450% earned
- 244US12332504B2Portable light apparatus, charging device for a portable light apparatus and control syste2 cites · 202461% earned
- 251US12356527B1Multimode lighting system1 cites · 202556% earned
Active· last 5 yrs
The top-scoring F21L patents of the last 5 years
- 199US11007292B1✦ AIAutomatic power compensation in ultraviolet (UV) light emission device, and related method54 cites · 202180% earned
- 296US11280480B2✦ AIUser-wearable illumination assembly31 cites · 202178% earned
- 392US12085241B1✦ AIFlashlight with rechargeable battery assembly9 cites · 202474% earned
- 488US11300252B2Illumination devices31 cites · 202183% earned
- 583US11268691B2Storage unit with light-emitting components21 cites · 202176% earned
- 679US11639789B2Portable light and keyed rechargeable USB battery14 cites · 202289% earned
- 775US11156330B2Portable lighting device with an illuminated indicia17 cites · 202178% earned
- 871USD955024SSolar light13 cites · 202288% earned
- 967USD1005541SMountable light16 cites · 202384% earned
- 1063US11058202B1Nail lamp with rechargeable battery pack and exterior lighting13 cites · 202179% earned
- 1158US10928051B1Tail switch arrangement for a light15 cites · 202183% earned
- 1254US11118859B1Forend for a firearm12 cites · 202188% earned
- 1350US11555607B1Diving lamp with efficient waterproof performance8 cites · 202386% earned
- 1446US10907776B1Flexible, customizable, and wearable flashlight12 cites · 202188% earned
- 1542USD931511SClip light13 cites · 202188% earned
- 1638USD990010SPortable, elongated lantern11 cites · 202369% earned
- 1733US11213937B1Tool illumination source11 cites · 202278% earned
- 1829USD1010194SPumpkin shape projection lamp9 cites · 202487% earned
- 1925US11363843B1Safety vest with light tubes8 cites · 202286% earned
- 2021USD939743SFlashlight11 cites · 202188% earned
- 2117US11252809B2Solar lamps with radial elements9 cites · 202172% earned
- 2213US12255477B1Charging holster and flashlight3 cites · 202572% earned
- 238US11746999B1Headlamp with battery unit and booster unit6 cites · 202385% earned
- 244US11754233B1Multifunctional camping light6 cites · 202385% earned
- 251US11274707B2Customizable light-up device9 cites · 202187% earned
All-time canon
The defining F21L patents of the whole record
- 199US7780309B2✦ AIPreparedness flashlight1,027 cites · 200895% earned
- 296US6095661A✦ AIMethod and apparatus for an L.E.D. flashlight760 cites · 200087% earned
- 392US6357893B1✦ AILighting devices using a plurality of light sources476 cites · 200290% earned
- 488US6541800B2High power LED451 cites · 200295% earned
- 583US6949772B2LED illumination apparatus and card-type LED illumination source394 cites · 200386% earned
- 679US7161313B2Light emitting diode based products391 cites · 200595% earned
- 775US4963798ASynthesized lighting device331 cites · 199094% earned
- 871US4771796AElectrically operated simulated cigarette318 cites · 198894% earned
- 967US5161879AFlashlight for covert applications308 cites · 199294% earned
- 1063US5975714ARenewable energy flashlight289 cites · 199994% earned
- 1158US6729738B2Illumination devices for watches and other instruments286 cites · 200291% earned
- 1254US6305818B1Method and apparatus for L.E.D. illumination276 cites · 200185% earned
- 1350US4388673AVariable light beam flashlight and recharging unit268 cites · 198394% earned
- 1446US4286311AFlashlight265 cites · 198194% earned
- 1542US4947291ALighting device262 cites · 199094% earned
- 1638US5757557ABeam-forming lens with internal cavity that prevents front losses255 cites · 199894% earned
- 1733US6293684B1Wand light252 cites · 200194% earned
- 1829US4577263AMiniature flashlight240 cites · 198694% earned
- 1925US7344268B2Long-range, handheld illumination system233 cites · 200591% earned
- 2021US4733337AMiniature flashlight231 cites · 198894% earned
- 2117US6452217B1High power LED lamp structure using phase change cooling enhancements for LED lighting pro225 cites · 200294% earned
- 2213US6290368B1Portable reading light device224 cites · 200194% earned
- 238US6474837B1Lighting device with beam altering mechanism incorporating a plurality of light souces222 cites · 200291% earned
- 244US5622423AHand-carried traffic control light217 cites · 199794% earned
- 251US5036442AIlluminated wand215 cites · 199194% earned
Rising· last 2 yrs
Assignees whose newest F21L patents became public in the last 2 years — the current frontier
- 199STREAMLIGHT INC121 patents · 3,065 citations
- 296SUREFIRE LLC28 patents · 979 citations
- 392PELICAN PRODUCTS INC21 patents · 688 citations
- 488BLACK & DECKER INC27 patents · 489 citations
- 583MILWAUKEE ELECTRIC TOOL CORP108 patents · 519 citations
- 679LUMINAID LAB LLC20 patents · 130 citations
- 775PROMIER PRODUCTS INC23 patents · 80 citations
- 871FUSE LLC10 patents · 29 citations
- 967SELEVAN JAMES R8 patents · 59 citations
- 1063WALTER R TUCKER ENTPR LTD16 patents · 63 citations
- 1158LB MARKETING INC15 patents · 58 citations
- 1254ENERGIZER BRANDS LLC10 patents · 64 citations
- 1350ARCHANGEL DEVICE LLC10 patents · 41 citations
- 1446ALLIANCE SPORTS GROUP LP19 patents · 40 citations
- 1542FIRST LIGHT USA LLC9 patents · 41 citations
- 1638INFINITY X1 LLC11 patents · 24 citations
- 1733NITE IZE INC9 patents · 30 citations
- 1829L&L CANDLE COMPANY LLC6 patents · 11 citations
- 1925LEARN CLIFTON4 patents · 18 citations
- 2021OWL GUN LIGHTS INC4 patents · 8 citations
- 2117LSI SOLUTIONS INC4 patents · 10 citations
- 2213BRIGGS & STRATTON LLC6 patents · 8 citations
- 238NINGBO FUTAI ELECTRIC LTD11 patents · 8 citations
- 244MA ZHUN AN4 patents · 9 citations
- 251TSENG SHEN-KO5 patents · 10 citations
Active· last 5 yrs
Sustained F21L output across the last 5 years
- 199STREAMLIGHT INC121 patents · 3,065 citations
- 296MAG INSTR INC136 patents · 4,134 citations
- 392SUREFIRE LLC28 patents · 979 citations
- 488DESIGNS FOR VISION18 patents · 583 citations
- 583PELICAN PRODUCTS INC21 patents · 688 citations
- 679BLACK & DECKER INC27 patents · 489 citations
- 775MILWAUKEE ELECTRIC TOOL CORP108 patents · 519 citations
- 871EMISSIVE ENERGY CORP15 patents · 153 citations
- 967INTEGRA LIFESCIENCES CORP14 patents · 117 citations
- 1063LUMINAID LAB LLC20 patents · 130 citations
- 1158MPOWERD INC15 patents · 158 citations
- 1254ZEDEL23 patents · 172 citations
- 1350LIGHT & MOTION IND6 patents · 148 citations
- 1446LEE WEN-SUNG8 patents · 113 citations
- 1542MISHAN E & SONS INC10 patents · 112 citations
- 1638PROMIER PRODUCTS INC23 patents · 80 citations
- 1733RIVERPOINT MEDICAL LLC9 patents · 84 citations
- 1829FUSE LLC10 patents · 29 citations
- 1925SELEVAN JAMES R8 patents · 59 citations
- 2021UV INNOVATORS LLC5 patents · 71 citations
- 2117WALTER R TUCKER ENTPR LTD16 patents · 63 citations
- 2213Acera LLC8 patents · 24 citations
- 238TTP HOLDINGS LLC6 patents · 67 citations
- 244LB MARKETING INC15 patents · 58 citations
- 251ENERGIZER BRANDS LLC10 patents · 64 citations
All-time canon
All-time PatentIndex Score in F21L
- 199MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 patents · 987 citations
- 296STREAMLIGHT INC121 patents · 3,065 citations
- 392MAG INSTR INC136 patents · 4,134 citations
- 488EVEREADY BATTERY INC56 patents · 2,557 citations
- 583ARMAMENT SYSTEMS & PROCEDURES32 patents · 1,140 citations
- 679PPT VISION INC4 patents · 1,385 citations
- 775MCDERMOTT KEVIN10 patents · 1,006 citations
- 871XENONICS INC6 patents · 531 citations
- 967BAYCO PRODUCTS LTD19 patents · 672 citations
- 1063SUREFIRE LLC28 patents · 979 citations
- 1158RAY O VAC CORP10 patents · 652 citations
- 1254DESIGNS FOR VISION18 patents · 583 citations
- 1350GEN MFG INC5 patents · 479 citations
- 1446MAGLICA ANTHONY10 patents · 594 citations
- 1542GALLI ROBERT D13 patents · 494 citations
- 1638LUMATEC IND INC9 patents · 451 citations
- 1733PELICAN PRODUCTS INC21 patents · 688 citations
- 1829BLACK & DECKER INC27 patents · 489 citations
- 1925PITTWAY CORP7 patents · 365 citations
- 2021MILWAUKEE ELECTRIC TOOL CORP108 patents · 519 citations
- 2117COLEMAN CO30 patents · 717 citations
- 2213GAMMACHE RICHARD J9 patents · 401 citations
- 238UKE ALAN K11 patents · 408 citations
- 244BRASSCORP LTD9 patents · 316 citations
- 251ALERT SAFETY LITE PRODUCTS CO11 patents · 414 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth