Topic leaderboard
Protection against radiation & decontamination
Ranked by the PatentIndex Score — a 1–99 percentile within G21F · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest G21F patents became public in the last 2 years — the current frontier
- 199Stephen J. Agace49 patents · 590 citations
- 296Charles W. Pennington8 patents · 97 citations
- 392John D. Griffiths26 patents · 116 citations
- 488Gregory Gordon12 patents · 49 citations
- 583Pierre-Marie Lemer11 patents · 110 citations
- 679Uma S. Valeti8 patents · 31 citations
- 775Timothy Nicholas Milner7 patents · 81 citations
- 871Jonathan Yifat7 patents · 27 citations
- 967Bryan S. Petrofsky14 patents · 18 citations
- 1063Andrew Ubel4 patents · 12 citations
- 1158Roy H. Larsen4 patents · 7 citations
- 1254Paul Benson8 patents · 7 citations
- 1350Yossi Bar4 patents · 13 citations
- 1446Gideon Waterman6 patents · 9 citations
- 1542Meytal Baron6 patents · 9 citations
- 1638Oren Milstein7 patents · 9 citations
- 1733Tamar Nix6 patents · 9 citations
- 1829Michael Retter3 patents · 13 citations
- 1925Stephen Benjamin Maiman3 patents · 10 citations
- 2021Andrew M. Schimmoeller4 patents · 4 citations
- 2117Brian Cherundolo4 patents · 4 citations
- 2213Clif Moyers4 patents · 4 citations
- 238James Montague3 patents · 5 citations
- 244Payal Jain3 patents · 2 citations
- 251Michael Gertsenchtein3 patents · 5 citations
Active· last 5 yrs
Sustained G21F output across the last 5 years
- 199Robert D. Quinn9 patents · 418 citations
- 296Stephen J. Agace49 patents · 590 citations
- 392Elizabeth Muller10 patents · 119 citations
- 488Henry Crichlow22 patents · 197 citations
- 583Cheri A. Oquist10 patents · 82 citations
- 679Eric Landau9 patents · 82 citations
- 775Charles W. Pennington8 patents · 97 citations
- 871John D. Griffiths26 patents · 116 citations
- 967Gregory Gordon12 patents · 49 citations
- 1063Kazushige Ishida14 patents · 84 citations
- 1158Pierre-Marie Lemer11 patents · 110 citations
- 1254George C. Carver12 patents · 81 citations
- 1350Richard M. Springman8 patents · 56 citations
- 1446Uma S. Valeti8 patents · 31 citations
- 1542Timothy Nicholas Milner7 patents · 81 citations
- 1638Lawrence J. Ptasienski6 patents · 45 citations
- 1733Jonathan Yifat7 patents · 27 citations
- 1829Paul L. Frattini6 patents · 49 citations
- 1925Cristina U. Thomas5 patents · 29 citations
- 2021Mark S. Denton11 patents · 37 citations
- 2117Iulian Cioanta6 patents · 21 citations
- 2213Robert Elden4 patents · 57 citations
- 238Martin Balog6 patents · 19 citations
- 244Martin Walcher6 patents · 19 citations
- 251Juan C. Subiry5 patents · 26 citations
All-time canon
Career PatentIndex Score in G21F
- 199Don E. Reich8 patents · 737 citations
- 296Robert W. Allington28 patents · 1,205 citations
- 392Daniel G. Jameson27 patents · 1,184 citations
- 488Bing Bing Zhu6 patents · 673 citations
- 583Yoossef Tehrani10 patents · 506 citations
- 679Dale L. Clay20 patents · 849 citations
- 775Robin R. Winter17 patents · 758 citations
- 871Ian D. Mcinnes6 patents · 433 citations
- 967Monty Mong Chen Fu5 patents · 570 citations
- 1063Ernest E. Carter, Jr.7 patents · 419 citations
- 1158Robert D. Quinn9 patents · 418 citations
- 1254Robert A. Lehnert9 patents · 398 citations
- 1350Steven E. Sisley9 patents · 398 citations
- 1446Chien M. Wai8 patents · 547 citations
- 1542Dale A. Davison5 patents · 280 citations
- 1638Charles J. Temus8 patents · 389 citations
- 1733Ronald Demeo7 patents · 379 citations
- 1829James A. Goldstein9 patents · 342 citations
- 1925Henry L. Walters7 patents · 270 citations
- 2021Marshall Medoff29 patents · 170 citations
- 2117Thomas Craig Masterman30 patents · 170 citations
- 2213Robert Paradis27 patents · 158 citations
- 238Johna Leddy11 patents · 343 citations
- 244Sudath Amarasinghe11 patents · 343 citations
- 251Pedro B. Macedo16 patents · 599 citations
Rising· last 2 yrs
The top-scoring G21F patents made public in the last 2 years
- 199US11918057B1✦ AIUndergarment embodying an internal compartment to support and shield male genitalia from r5 cites · 202484% earned
- 296US12249437B2✦ AIProduction of highly purified 212PB3 cites · 202453% earned
- 392US12053311B2✦ AIRadiation shielding eye mask and method of use3 cites · 202480% earned
- 488US12176119B1Integrated rapid treatment system for nuclear medical radioactive wastewater and applicati2 cites · 202476% earned
- 583US12225701B1Electromagnetic and radiation shielding using nanoforests2 cites · 202576% earned
- 679US11978568B1Method for stabilizing neutralization slag of uranium associated zirconium and zirconia, a1 cites · 202467% earned
- 775US12051516B1Method of manufacturing advanced composites and coatings for radiation environment shieldi1 cites · 202456% earned
- 871US12315648B2Radiation shielding devices, systems, and methods0 cites · 20240% earned
- 967US12453813B2Radioisotope delivery system with multiple detectors to detect gamma and beta emissions0 cites · 20240% earned
- 1063US12569209B2Medical devices for diagnostic imaging0 cites · 20240% earned
- 1158US12433551B2Display device for reducing radiation exposure to medical personnel0 cites · 20240% earned
- 1254US12451263B1Nuclear gauge0 cites · 20250% earned
- 1350US12119126B2Radiation protection apparatus and materials therefor0 cites · 20240% earned
- 1446US12073953B2Material configuration enabling flexibility of a structure using rigid components0 cites · 20240% earned
- 1542US12051517B2Nuclear waste storage canisters and method of fabricating the same0 cites · 20240% earned
- 1638US12211628B2Radiation shielded enclosure for spent nuclear fuel cask0 cites · 20240% earned
- 1733US12217881B2Storage and transport cask for nuclear waste0 cites · 20240% earned
- 1829US12300399B2Storage system for radioactive nuclear waste with pressure surge protection0 cites · 20240% earned
- 1925US12017232B2Electro-ionic mask devices for improved protection from airborne biopathogens0 cites · 20240% earned
- 2021US12280542B2Photon propagation modified additive manufacturing compositions and methods of additive ma0 cites · 20240% earned
- 2117US12428177B2Systems and methods for producing a radioactive drug product using a dispensing unit0 cites · 20240% earned
- 2213US12376205B2Oven door for a vending machine0 cites · 20240% earned
- 238US12254998B2Method of making a mercury based compound, mercury based compound, methods of using the me0 cites · 20240% earned
- 244US12400768B2High-density subterranean storage system for nuclear fuel and radioactive waste0 cites · 20240% earned
- 251US12168148B2Neutron capture therapy system0 cites · 20240% earned
Active· last 5 yrs
The top-scoring G21F patents of the last 5 years
- 199US10954677B1✦ AIConnected moulding for use in smart building control51 cites · 202192% earned
- 296US11049626B1✦ AISafety scavenge screen assembly12 cites · 202182% earned
- 392US11826583B2✦ AINeutron capture therapy system9 cites · 202181% earned
- 488US11918057B1Undergarment embodying an internal compartment to support and shield male genitalia from r5 cites · 202484% earned
- 583US11373775B2Storage and transport cask for nuclear waste8 cites · 202176% earned
- 679US11135629B2Storing hazardous material in a subterranean formation6 cites · 202167% earned
- 775US11621096B2Radiation protection apparatus and materials therefor6 cites · 202271% earned
- 871US11610696B2Nuclear waste cask with impact protection, impact amelioration system for nuclear fuel sto6 cites · 202174% earned
- 967US11081249B2Nuclear waste cask with impact protection7 cites · 202186% earned
- 1063US11571723B1Mechanical dry waste excavating end effector7 cites · 202386% earned
- 1158US11222732B2Radiation shielding devices, systems, and methods6 cites · 202165% earned
- 1254US11576630B1Radiation shielding eye mask4 cites · 202375% earned
- 1350US11728060B1Separation apparatus for high-level nuclear waste4 cites · 202375% earned
- 1446US11844638B1Radiation shielding eye mask and method of use3 cites · 202380% earned
- 1542US12053311B2Radiation shielding eye mask and method of use3 cites · 202480% earned
- 1638US12176119B1Integrated rapid treatment system for nuclear medical radioactive wastewater and applicati2 cites · 202476% earned
- 1733US11521761B2Radiation shielded enclosure for spent nuclear fuel cask5 cites · 202172% earned
- 1829US11071673B2Human interface device for exoskeleton apparatus5 cites · 202172% earned
- 1925US11666290B2Radioabsorbent assemblies4 cites · 202161% earned
- 2021US11547375B2Radiation shielding apparatuses and applications thereof4 cites · 202167% earned
- 2117US11443862B2Storage system for radioactive nuclear waste with pressure surge protection4 cites · 202170% earned
- 2213US11879548B2Subassembly for double-door transfer system with simplified manufacture4 cites · 202182% earned
- 238US11726194B2Imaging apparatus not easily affected by radiation, and image display apparatus4 cites · 202182% earned
- 244US11273526B1Systems and methods for application of stress corrosion cracking resistant cold spray coat5 cites · 202284% earned
- 251US12125603B2Production of highly purified 212Pb4 cites · 202356% earned
All-time canon
The defining G21F patents of the whole record
- 199US4234449A✦ AIMethod of handling radioactive alkali metal waste496 cites · 198095% earned
- 296US6048379A✦ AIHigh density composite material464 cites · 200092% earned
- 392US3997638A✦ AIProduction of metal ion containing carbon fibers useful in electron shielding applications453 cites · 197695% earned
- 488US6265466B1Electromagnetic shielding composite comprising nanotubes414 cites · 200190% earned
- 583US6853303B2RFID system and method for ensuring personnel safety299 cites · 200494% earned
- 679US4428700AMethod for disposing of waste materials278 cites · 198494% earned
- 775US3993063AProtective shielding assembly for use in loading a hypodermic syringe with radioactive mat262 cites · 197691% earned
- 871US4625014ACell-delivery agent255 cites · 198694% earned
- 967US4789501AGlass microspheres253 cites · 198889% earned
- 1063US6058158AX-ray device for checking the contents of closed cargo carriers249 cites · 200094% earned
- 1158US4736826ARemotely controlled and/or powered mobile robot with cable management arrangement245 cites · 198894% earned
- 1254US4938233ARadiation shield214 cites · 199094% earned
- 1350US5927351ADrawing station system for radioactive material204 cites · 199994% earned
- 1446US5519931AContainer and method for transporting a syringe containing radioactive material200 cites · 199682% earned
- 1542US4891165ADevice and method for encapsulating radioactive materials200 cites · 199094% earned
- 1638US6325538B1Radiation field isolator apparatus200 cites · 200194% earned
- 1733US4194040AArticle of fibrillated polytetrafluoroethylene containing high volumes of particulate mate199 cites · 198094% earned
- 1829US4581538ARadiation shield193 cites · 198694% earned
- 1925US6002063AApparatus and method for subterranean injection of slurried wastes179 cites · 199994% earned
- 2021US4540490AApparatus for filtration of a suspension166 cites · 198594% earned
- 2117US5968854AEMI shielding fabric and fabric articles made therefrom165 cites · 199994% earned
- 2213US7118693B2Conformal coatings comprising carbon nanotubes163 cites · 200490% earned
- 238US5103504ATextile fabric shielding electromagnetic radiation, and clothing made thereof157 cites · 199294% earned
- 244US5879110AMethods for encapsulating buried waste in situ with molten wax155 cites · 199984% earned
- 251US5302369AMicrospheres for radiation therapy154 cites · 199488% earned
Rising· last 2 yrs
Assignees whose newest G21F patents became public in the last 2 years — the current frontier
- 199DEEP ISOLATION INC29 patents · 189 citations
- 296HOLTEC INTERNATIONAL85 patents · 295 citations
- 392RADUX DEVICES LLC12 patents · 49 citations
- 488BRACCO DIAGNOSTICS INC17 patents · 68 citations
- 583EGG MEDICAL INC8 patents · 31 citations
- 679RADIACTION LTD7 patents · 27 citations
- 775TERRAPOWER LLC6 patents · 42 citations
- 871Sciencons AS5 patents · 7 citations
- 967ENERGYSOLUTIONS LLC8 patents · 13 citations
- 1063SCHLUMBERGER TECHNOLOGY CORP8 patents · 31 citations
- 1158LEMER PAX6 patents · 26 citations
- 1254STEMRAD LTD7 patents · 9 citations
- 1350TRIAD NAT SECURITY LLC6 patents · 14 citations
- 1446L LIVERMORE NAT SECURITY LLC8 patents · 7 citations
- 1542TROXLER ELECTRONIC LAB INC5 patents · 21 citations
- 1638NEUBORON THERAPY SYSTEM LTD4 patents · 12 citations
- 1733MAICO MGMT LLC3 patents · 10 citations
- 1829BWXT ADVANCED TECH LLC4 patents · 8 citations
- 1925CURIUM US LLC8 patents · 7 citations
- 2021IMAGE INSIGHT INC5 patents · 0 citations
- 2117JUBILANT DRAXIMAGE INC6 patents · 5 citations
- 2213BAYER HEALTHCARE LLC2 patents · 7 citations
- 238AUTOMATED RETAIL TECH LLC3 patents · 2 citations
- 244UNIV TSINGHUA6 patents · 2 citations
- 251IP LIBERTY VISION CORP2 patents · 6 citations
Active· last 5 yrs
Sustained G21F output across the last 5 years
- 199COMMISSARIAT ENERGIE ATOMIQUE155 patents · 1,566 citations
- 296BATTELLE MEMORIAL INSTITUTE14 patents · 308 citations
- 392MITSUBISHI HEAVY IND LTD30 patents · 478 citations
- 488DEEP ISOLATION INC29 patents · 189 citations
- 583HOLTEC INTERNATIONAL85 patents · 295 citations
- 679TOSHIBA KK31 patents · 279 citations
- 775FRAMATOME SA21 patents · 227 citations
- 871KOREA ATOMIC ENERGY RES42 patents · 212 citations
- 967HOLTEC INT INC16 patents · 104 citations
- 1063LOCKHEED CORP11 patents · 67 citations
- 1158RADUX DEVICES LLC12 patents · 49 citations
- 1254BRACCO DIAGNOSTICS INC17 patents · 68 citations
- 1350STUDSVIK INC7 patents · 114 citations
- 1446ELECTRICITE DE FRANCE9 patents · 88 citations
- 1542EGG MEDICAL INC8 patents · 31 citations
- 1638MAVIG GMBH11 patents · 51 citations
- 1733GETINGE LA CALHENE11 patents · 50 citations
- 1829NAC INT INC11 patents · 47 citations
- 1925CRICHLOW HENRY17 patents · 71 citations
- 2021UNIV TEXAS7 patents · 81 citations
- 2117RADIACTION LTD7 patents · 27 citations
- 2213WESTINGHOUSE ELECTRIC CO LLC27 patents · 46 citations
- 238NASA10 patents · 114 citations
- 244TERRAPOWER LLC6 patents · 42 citations
- 251SANUWAVE INC6 patents · 21 citations
All-time canon
All-time PatentIndex Score in G21F
- 199SYNCOR INT CORP6 patents · 814 citations
- 296US ENERGY166 patents · 3,564 citations
- 392ISCO INC30 patents · 1,275 citations
- 488IDAHO RES FOUND7 patents · 534 citations
- 583UNIV MISSOURI6 patents · 605 citations
- 679WESTINGHOUSE ELECTRIC CORP140 patents · 3,103 citations
- 775SIEMENS MEDICAL SYSTEMS INC8 patents · 514 citations
- 871PACIFIC NUCLEAR SYST INC5 patents · 303 citations
- 967MERIDIAN RES & DEV5 patents · 337 citations
- 1063WIEDERAUFARBEITUNG VON KERNBRE74 patents · 1,087 citations
- 1158XYLECO INC30 patents · 170 citations
- 1254UNION CARBIDE CORP5 patents · 437 citations
- 1350JGC CORP9 patents · 417 citations
- 1446UNIV IOWA RES FOUND11 patents · 343 citations
- 1542US ARMY39 patents · 733 citations
- 1638GEN ELECTRIC27 patents · 520 citations
- 1733HOLTEC INTERNATIONAL INC25 patents · 601 citations
- 1829KERNFORSCHUNGSANLAGE JUELICH26 patents · 521 citations
- 1925COMMISSARIAT ENERGIE ATOMIQUE155 patents · 1,566 citations
- 2021ASS UNIVERSITIES INC5 patents · 297 citations
- 2117UNIV CHICAGO6 patents · 352 citations
- 2213MALLINCKRODT INC13 patents · 356 citations
- 238HITACHI LTD78 patents · 1,325 citations
- 244MOBIL OIL CORP13 patents · 381 citations
- 251SYNCOR INTERNAT CORP4 patents · 400 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth