Topic leaderboard
Weapons without explosive propellant charge
Ranked by the PatentIndex Score — a 1–99 percentile within F41B · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F41B patents became public in the last 2 years — the current frontier
- 199William M. Gardner, Jr.25 patents · 1,629 citations
- 296John R. Rice18 patents · 1,116 citations
- 392Michael J. Shaffer83 patents · 1,401 citations
- 488Richard L. Bednar78 patents · 1,394 citations
- 583Patrick W. Smith8 patents · 1,853 citations
- 679Mathew A. Mcpherson155 patents · 2,464 citations
- 775Craig Thomas Yehle45 patents · 1,382 citations
- 871James J. Kempf60 patents · 1,755 citations
- 967Paul Trpkovski34 patents · 516 citations
- 1063Chu-Wei Chang19 patents · 521 citations
- 1158Brian Sullivan12 patents · 447 citations
- 1254Marc T. Rentz30 patents · 565 citations
- 1350Bahram Khoshnood25 patents · 409 citations
- 1446David A. Barnett30 patents · 337 citations
- 1542Gary Smith22 patents · 257 citations
- 1638Jeffrey A. Ozanne32 patents · 228 citations
- 1733Mark J. Hayes27 patents · 191 citations
- 1829Nathaniel E. Grace19 patents · 267 citations
- 1925Jui-Fu Tseng18 patents · 207 citations
- 2021Eric Vankeulen14 patents · 142 citations
- 2117Daniel A. Summers26 patents · 148 citations
- 2213Nicholas C. Obteshka13 patents · 162 citations
- 238Kevin D. Strother6 patents · 132 citations
- 244Matthew Peter Haas14 patents · 154 citations
- 251Francis See Chong Chia28 patents · 188 citations
Active· last 5 yrs
Sustained F41B output across the last 5 years
- 199William M. Gardner, Jr.25 patents · 1,629 citations
- 296John R. Rice18 patents · 1,116 citations
- 392Michael J. Shaffer83 patents · 1,401 citations
- 488Richard L. Bednar78 patents · 1,394 citations
- 583Patrick W. Smith8 patents · 1,853 citations
- 679Mathew A. Mcpherson155 patents · 2,464 citations
- 775Magne H. Nerheim21 patents · 528 citations
- 871Craig Thomas Yehle45 patents · 1,382 citations
- 967James J. Kempf60 patents · 1,755 citations
- 1063Kevin Hansen11 patents · 440 citations
- 1158Paul Trpkovski34 patents · 516 citations
- 1254Chu-Wei Chang19 patents · 521 citations
- 1350Henry M. Gallops, Jr.21 patents · 715 citations
- 1446Jerrold M. Dobbins17 patents · 588 citations
- 1542Brian Sullivan12 patents · 447 citations
- 1638Kevin L. Parsons37 patents · 950 citations
- 1733Benjamin D. Blosser8 patents · 276 citations
- 1829Milan Cerovic12 patents · 249 citations
- 1925Rex E. Isenhower35 patents · 825 citations
- 2021Jacob A. Hout30 patents · 519 citations
- 2117Marc T. Rentz30 patents · 565 citations
- 2213Bahram Khoshnood25 patents · 409 citations
- 238Gregory E. Summers28 patents · 602 citations
- 244David A. Barnett30 patents · 337 citations
- 251Keith Bartels16 patents · 208 citations
All-time canon
Career PatentIndex Score in F41B
- 199Stephen John Lilley5 patents · 1,766 citations
- 296David R. Theobald8 patents · 1,824 citations
- 392Hugh F. Taylor8 patents · 1,824 citations
- 488William M. Gardner, Jr.25 patents · 1,629 citations
- 583David L. Smith7 patents · 621 citations
- 679Adam Gardner7 patents · 612 citations
- 775Raymond S. Gaston6 patents · 612 citations
- 871John R. Rice18 patents · 1,116 citations
- 967Nicholas John Marks11 patents · 1,031 citations
- 1063James T. Christopher22 patents · 790 citations
- 1158William J. Bednar11 patents · 1,015 citations
- 1254Michael J. Shaffer83 patents · 1,401 citations
- 1350Richard L. Bednar78 patents · 1,394 citations
- 1446Thomas G. Kotsiopoulos8 patents · 912 citations
- 1542Craig J. Carlson4 patents · 1,611 citations
- 1638David I. Rosen4 patents · 1,611 citations
- 1733Thomas R. Johnson4 patents · 1,611 citations
- 1829Patrick W. Smith8 patents · 1,853 citations
- 1925Aldo Perrone8 patents · 880 citations
- 2021Mathew A. Mcpherson155 patents · 2,464 citations
- 2117Danial Jones18 patents · 795 citations
- 2213Magne H. Nerheim21 patents · 528 citations
- 238Kenneth Farrell5 patents · 630 citations
- 244Rex F. Darlington35 patents · 1,514 citations
- 251Craig Thomas Yehle45 patents · 1,382 citations
Rising· last 2 yrs
The top-scoring F41B patents made public in the last 2 years
- 199US12053711B1✦ AIDevices and kits for propelling string and methods of use thereof9 cites · 202477% earned
- 296US12025402B1✦ AIBowstring carrier traverse9 cites · 202487% earned
- 392US12130112B1✦ AIArchery bow with limb spacing adjustment6 cites · 202478% earned
- 488US12111132B2Narrow crossbow with large power stroke7 cites · 202458% earned
- 583US12222182B2Archery bow with pass through cabling7 cites · 202467% earned
- 679US12018909B1Crossbow having a halo-type cable hub7 cites · 202486% earned
- 775US12247803B1Crossbow with inertia brake cocking device7 cites · 202586% earned
- 871US11946720B1String-loading apparatus for a crossbow7 cites · 202486% earned
- 967US11892265B1Anti dry fire trigger device9 cites · 202487% earned
- 1063US12215954B1Cranking mechanism7 cites · 202586% earned
- 1158US12379180B1Crossbow with de-cocking crank mechanism having sprockets5 cites · 202584% earned
- 1254US12264893B2Tubular archery bow riser4 cites · 202475% earned
- 1350US11933576B1Hopper with light source for charging paintballs4 cites · 202482% earned
- 1446US11892266B1Toy electric water pistol4 cites · 202482% earned
- 1542US11940242B1Handheld thumb trigger archery release5 cites · 202484% earned
- 1638US11953286B1Rapid fire toy launch apparatus5 cites · 202484% earned
- 1733US12241715B2String shooting device2 cites · 202455% earned
- 1829US12044509B1Projectile entangling device, cartridge and method3 cites · 202472% earned
- 1925US12085356B2Archery release and related method of use3 cites · 202480% earned
- 2021US12135189B2Archery bow sight3 cites · 202480% earned
- 2117US12487049B2String-unloading apparatus of a crossbow2 cites · 202576% earned
- 2213US12098901B2Gas-powered gun2 cites · 202476% earned
- 238US12462078B1Modeling simulation and multi-field coupling analysis method and system for electromagneti1 cites · 202567% earned
- 244US12259210B1Actuated flywheel projectile launcher3 cites · 202580% earned
- 251US12493328B1Phone case to hold a concealed defense system1 cites · 202567% earned
Active· last 5 yrs
The top-scoring F41B patents of the last 5 years
- 199US11473871B1✦ AILiquid replenishing mechanism and water gun26 cites · 202290% earned
- 296US11015892B1✦ AIAnti-dry-fire mechanism for a crossbow37 cites · 202191% earned
- 392US11371795B1✦ AIProjectile launching device with self-timing and without cam lean27 cites · 202291% earned
- 488US11112205B1Projectile launching device with self-timing and without cam lean26 cites · 202190% earned
- 583US11022398B1Projectile launching device with self-timing and without cam lean31 cites · 202191% earned
- 679US11378350B1Projectile launching device with self-timing and without cam lean24 cites · 202290% earned
- 775US12053711B1Devices and kits for propelling string and methods of use thereof9 cites · 202477% earned
- 871US11635274B2Pulley projectile launcher27 cites · 202191% earned
- 967US12025402B1Bowstring carrier traverse9 cites · 202487% earned
- 1063US10948257B1Crossbow with built in cranking mechanism29 cites · 202191% earned
- 1158US11131524B1Crossbow with integral cocking and a moving latch23 cites · 202190% earned
- 1254US10969192B1Crossbow with crossing cable system23 cites · 202190% earned
- 1350US11067357B1String pulling mechanism of crossbow23 cites · 202190% earned
- 1446US11221191B2Crossbow with winch19 cites · 202175% earned
- 1542US10989492B1Archery cam shaft with integrated cable track22 cites · 202190% earned
- 1638US11156429B1Crossbow with integral cocking worm gear driven spool21 cites · 202190% earned
- 1733US11512921B1Crossbow14 cites · 202289% earned
- 1829US11499792B1Projectile launching device with self-timing and without cam lean17 cites · 202289% earned
- 1925US11725899B2Compact projectile launcher13 cites · 202283% earned
- 2021US11002505B1De-cock mechanism for a crossbow19 cites · 202175% earned
- 2117US11268781B1Crossbow with integral cocking worm gear driven spool19 cites · 202290% earned
- 2213US10900738B1Crank cocking device for a crossbow22 cites · 202185% earned
- 238US11946718B2Crossbow with spiral wound cam system12 cites · 202379% earned
- 244US11226168B2Airgun magazine15 cites · 202180% earned
- 251US12130112B1Archery bow with limb spacing adjustment6 cites · 202478% earned
All-time canon
The defining F41B patents of the whole record
- 199US6636412B2✦ AIHand-held stun gun for incapacitating a human target1,654 cites · 200396% earned
- 296US8739033B2✦ AIDevices using tactile feedback to deliver silent status information1,221 cites · 200890% earned
- 392US7337774B2✦ AIProjectile firing device using liquified gas propellant1,040 cites · 200595% earned
- 488US5599302AMedical injection system and method, gas spring thereof and launching device using gas spr943 cites · 199789% earned
- 583US5876995ABioluminescent novelty items449 cites · 199988% earned
- 679US5613483AGas powered gun383 cites · 199794% earned
- 775US4518384AMultiple medicament cartridge clip and medicament discharging device therefor328 cites · 198594% earned
- 871US4819609AAutomatic feed marking pellet gun297 cites · 198994% earned
- 967US5727538AElectronically actuated marking pellet projector297 cites · 199894% earned
- 1063US4936282AGas powered gun292 cites · 199094% earned
- 1158US6003504APaint ball gun274 cites · 199991% earned
- 1254US5280778ASemi-automatic firing compressed gas gun272 cites · 199494% earned
- 1350US5846233ACoupling device for medical injection system261 cites · 199887% earned
- 1446US5891085ANozzle assembly with lost motion connection for medical injector assembly242 cites · 199987% earned
- 1542US5063905APneumatic gun229 cites · 199194% earned
- 1638US5282454AJam-free bulk loader for a paintball gun225 cites · 199494% earned
- 1733US5816232APaintball loader having active feed mechanism221 cites · 199894% earned
- 1829US5967133APneumatically operated projectile launching device202 cites · 199994% earned
- 1925US6035843APneumatically operated projectile launching device200 cites · 200083% earned
- 2021US6349711B1Low pressure electrically operated pneumatic paintball gun195 cites · 200294% earned
- 2117US4770153APneumatic weapon with pressure reduction valves195 cites · 198894% earned
- 2213US5368006ADual-feed single-cam compound bow190 cites · 199494% earned
- 238US5462042ASemiautomatic paint ball gun189 cites · 199594% earned
- 244US5881707APneumatically operated projectile launching device188 cites · 199983% earned
- 251US6074360AElectromagnetic transdermal injection device and methods related thereto184 cites · 200094% earned
Rising· last 2 yrs
Assignees whose newest F41B patents became public in the last 2 years — the current frontier
- 199BEAR ARCHERY INC58 patents · 1,244 citations
- 296KEMPF JAMES J39 patents · 1,282 citations
- 392HASBRO INC62 patents · 1,282 citations
- 488MCP IP LLC138 patents · 1,137 citations
- 583CROSMAN CORP68 patents · 735 citations
- 679RAVIN CROSSBOWS LLC57 patents · 780 citations
- 775US NAVY41 patents · 672 citations
- 871HUNTERS MFG COMPANY INC49 patents · 441 citations
- 967BARNETT OUTDOORS LLC27 patents · 279 citations
- 1063KHOSHNOOD BAHRAM15 patents · 270 citations
- 1158HOYT ARCHERY INC26 patents · 186 citations
- 1254EASEBON SERVICES LTD31 patents · 238 citations
- 1350BOEING CO15 patents · 153 citations
- 1446GRACE ENG CORP19 patents · 121 citations
- 1542COMBIS SPORT ENTPR CO LTD15 patents · 125 citations
- 1638SULLIVAN BRIAN6 patents · 223 citations
- 1733LIU CHI CHANG24 patents · 133 citations
- 1829MAN KUNG ENTPR CO LTD10 patents · 82 citations
- 1925HONEYWELL FEDERAL MFG & TECH LLC11 patents · 61 citations
- 2021WEI HO-SHENG20 patents · 101 citations
- 2117FEDERAL BUREAU OF INVESTIG7 patents · 45 citations
- 2213GUAY GUAY TRADING CO LTD22 patents · 65 citations
- 238UMAREX GMBH & CO KG4 patents · 121 citations
- 244BUZZ BEE TOYS INC5 patents · 63 citations
- 251ZIPSTRING LLC6 patents · 25 citations
Active· last 5 yrs
Sustained F41B output across the last 5 years
- 199BEAR ARCHERY INC58 patents · 1,244 citations
- 296PREC SHOOTING EQUIPMENT INC18 patents · 692 citations
- 392KEMPF JAMES J39 patents · 1,282 citations
- 488HASBRO INC62 patents · 1,282 citations
- 583MCP IP LLC138 patents · 1,137 citations
- 679CROSMAN CORP68 patents · 735 citations
- 775RAVIN CROSSBOWS LLC57 patents · 780 citations
- 871US NAVY41 patents · 672 citations
- 967SUMMERS GREGORY E32 patents · 518 citations
- 1063HUNTERS MFG COMPANY INC49 patents · 441 citations
- 1158BARNETT OUTDOORS LLC27 patents · 279 citations
- 1254KHOSHNOOD BAHRAM15 patents · 270 citations
- 1350HOYT ARCHERY INC26 patents · 186 citations
- 1446EASEBON SERVICES LTD31 patents · 238 citations
- 1542ARCHERY INNOVATORS6 patents · 139 citations
- 1638HUANG DORGE O18 patents · 217 citations
- 1733BOEING CO15 patents · 153 citations
- 1829ARCHERY INNOVATORS LLC7 patents · 120 citations
- 1925SUMMERS DANIEL A14 patents · 83 citations
- 2021GRACE ENG CORP19 patents · 121 citations
- 2117BOWTECH INC13 patents · 152 citations
- 2213EXCALIBUR CROSSBOW INC8 patents · 139 citations
- 238COMBIS SPORT ENTPR CO LTD15 patents · 125 citations
- 244SULLIVAN BRIAN6 patents · 223 citations
- 251STRESS ENG SERVICES INC10 patents · 77 citations
All-time canon
All-time PatentIndex Score in F41B
- 199SMART PARTS INC35 patents · 2,401 citations
- 296TASER INTERNATIONAL INC15 patents · 2,086 citations
- 392NPF LTD12 patents · 807 citations
- 488MEDI JECT CORP4 patents · 1,611 citations
- 583BRASS EAGLE INC6 patents · 680 citations
- 679BEAR ARCHERY INC58 patents · 1,244 citations
- 775NAT PAINTBALL SUPPLY INC9 patents · 472 citations
- 871HUNTER S MFG COMPANY INC27 patents · 545 citations
- 967PREC SHOOTING EQUIPMENT INC18 patents · 692 citations
- 1063KEMPF JAMES J39 patents · 1,282 citations
- 1158MCPHERSON MATHEW A30 patents · 850 citations
- 1254BEDNAR RICHARD L16 patents · 442 citations
- 1350DARLINGTON REX F25 patents · 965 citations
- 1446BOZEK JOHN W9 patents · 544 citations
- 1542BROWNING16 patents · 744 citations
- 1638KIDDE RECREATION PROD INC8 patents · 509 citations
- 1733HASBRO INC62 patents · 1,282 citations
- 1829ANDERSON JEFFREY R8 patents · 446 citations
- 1925MCP IP LLC138 patents · 1,137 citations
- 2021EXTREME TECHNOLOGIES INC6 patents · 390 citations
- 2117GT DEVICES10 patents · 500 citations
- 2213JOHNSON LONNIE G8 patents · 362 citations
- 238CROSMAN CORP68 patents · 735 citations
- 244RAVIN CROSSBOWS LLC57 patents · 780 citations
- 251TIPPMANN PNEUMATICS INC5 patents · 376 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth