Topic leaderboard
Processes for treating wood, cork or bamboo
Ranked by the PatentIndex Score — a 1–99 percentile within B27K · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B27K patents became public in the last 2 years — the current frontier
- 199John Horton10 patents · 83 citations
- 296Kenneth Allen Cutler5 patents · 6 citations
- 392Paul D. Senior3 patents · 29 citations
- 488Peter Tham8 patents · 0 citations
- 583Wayne B. Sherman3 patents · 3 citations
- 679Bobak Ha'Eri4 patents · 0 citations
- 775Ronald W. Clawson, Jr.4 patents · 0 citations
- 871Min Kuang2 patents · 1 citations
- 967Brian W. Beakler3 patents · 0 citations
- 1063Justin Bohn3 patents · 0 citations
- 1158Luke P. Marra3 patents · 0 citations
- 1254Travis E. Bjorkman3 patents · 0 citations
- 1350Eva Wallstrom1 patents · 2 citations
- 1446Zhichao Lou3 patents · 0 citations
- 1542Eun Seob Kim2 patents · 0 citations
- 1638Guen Woo Park2 patents · 0 citations
- 1733Toshinori Hattori2 patents · 0 citations
- 1829Jack G. Winterowd2 patents · 0 citations
- 1925ARDUINO JIM P1 patents · 0 citations
- 2021COWLES HAROLD R1 patents · 0 citations
- 2117OTWELL LAWRENCE P1 patents · 0 citations
- 2213PROUT STEPHEN DOUGLAS1 patents · 0 citations
- 238SNIADY ADAM KRZYSZTOF1 patents · 0 citations
- 244TUTIN KIM KRISTINE1 patents · 0 citations
- 251Allan Bradshaw1 patents · 0 citations
Active· last 5 yrs
Sustained B27K output across the last 5 years
- 199John Horton10 patents · 83 citations
- 296Jianwei Song7 patents · 19 citations
- 392Guy Helsing5 patents · 37 citations
- 488Timothée Boitouzet5 patents · 18 citations
- 583Norbert Kalwa11 patents · 14 citations
- 679Carsten Mai5 patents · 17 citations
- 775Mingwei Zhu4 patents · 11 citations
- 871Nariaki Asano4 patents · 15 citations
- 967Theodorus Gerardus Marinus Maria Kappen9 patents · 6 citations
- 1063Gerhard Lugert3 patents · 24 citations
- 1158Kenneth Allen Cutler5 patents · 6 citations
- 1254Paul D. Senior3 patents · 29 citations
- 1350Ziqiang Lu3 patents · 10 citations
- 1446Daniel Brimhall4 patents · 5 citations
- 1542David M. Laganella3 patents · 21 citations
- 1638Amy Gong3 patents · 9 citations
- 1733Chaoji Chen3 patents · 8 citations
- 1829Michael E. Peterschmidt3 patents · 11 citations
- 1925Jari Kukkonen4 patents · 8 citations
- 2021Hisashi Miyafuji2 patents · 37 citations
- 2117Timo Nissinen4 patents · 6 citations
- 2213Bernardus Jozef Maria Pol6 patents · 2 citations
- 238Peter Tham8 patents · 0 citations
- 244Tian Li2 patents · 5 citations
- 251Andreas Gier4 patents · 3 citations
All-time canon
Career PatentIndex Score in B27K
- 199Reimer Goettsche22 patents · 851 citations
- 296Leigh E. Walker19 patents · 687 citations
- 392Robert M. Leach19 patents · 338 citations
- 488Alex Raymond Albert Valcke8 patents · 284 citations
- 583Wendelin Hettler6 patents · 275 citations
- 679Hans-Norbert Marx13 patents · 325 citations
- 775Darrel D. Nicholas7 patents · 245 citations
- 871Tor P. Schultz6 patents · 221 citations
- 967Marshall Medoff6 patents · 140 citations
- 1063Hans A. Ward8 patents · 218 citations
- 1158Hans-Volker Borck7 patents · 204 citations
- 1254Roger M. Rowell8 patents · 207 citations
- 1350Stephen Conboy8 patents · 185 citations
- 1446Robert A. Slimak8 patents · 140 citations
- 1542Allan H. Dietrich6 patents · 122 citations
- 1638Stanley D. Galyon6 patents · 122 citations
- 1733Vincent R. Palmere6 patents · 122 citations
- 1829Michael H. West11 patents · 200 citations
- 1925Hans-Ulrich Buschhaus6 patents · 146 citations
- 2021Franz Kunisch5 patents · 203 citations
- 2117Heinrich Schrage5 patents · 203 citations
- 2213Janet Brown4 patents · 214 citations
- 238Judith A. Cornfield4 patents · 214 citations
- 244Neil Ryan4 patents · 214 citations
- 251Wolfgang Reuther5 patents · 223 citations
Rising· last 2 yrs
The top-scoring B27K patents made public in the last 2 years
- 199US12491658B1✦ AIWood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a metho1 cites · 202544% earned
- 296US12486408B2✦ AIUse of biocidal aerogel compositions in on-shore paints, coatings and sealants2 cites · 202467% earned
- 391US12279615B2✦ AIWood preservative and method for producing same0 cites · 20240% earned
- 487US12441023B2Densified wood including process for preparation0 cites · 20240% earned
- 583US12471594B2Wood treatment solutions containing fungicides and tertiary alkanolamines and related meth0 cites · 20240% earned
- 678US12257738B2Bonding wood or other plant products using ultrasound energy0 cites · 20240% earned
- 774US12569804B2Methods and systems for recovering terpene compositions from wood drying exhaust0 cites · 20240% earned
- 870US12220835B2Bridge for use with woodworking clamps and method of use0 cites · 20240% earned
- 965US12350707B2Purgeable injection apparatus for spill-free replenishment of embedded foundation preserva0 cites · 20240% earned
- 1061US12122065B2Truncating the distribution of modulus properties in natural populations of wood0 cites · 20240% earned
- 1157US12414624B2Method of manufacturing bamboo toothbrush and bamboo toothbrush manufactured thereby0 cites · 20240% earned
- 1252US12194656B2Method for manufacturing a cap for plugging a bottle comprising cork sheets glued on the t0 cites · 20240% earned
- 1348US12460091B2Board material processing composition, board material laminate, and method for manufacturi0 cites · 20240% earned
- 1443US12251852B2Spalted wood products and devices, systems, compositions, and methods for production0 cites · 20240% earned
- 1539US12459159B2Method for producing colored wood0 cites · 20240% earned
- 1635US12312501B2Methods and bonding agents for forming simulated tropical hardwood panel0 cites · 20240% earned
- 1730US12138822B2Method and device for preparing magnetic bamboo wood0 cites · 20240% earned
- 1826US12515371B2Conductive flexible transparent wood film, preparation method thereof and electronic devic0 cites · 20240% earned
- 1922US12495893B2Method for manufacturing bamboo toothbrush and bamboo toothbrush produced thereby0 cites · 20240% earned
- 2017US12508737B2Wood composites and processes to modify same using stable, low pH aqueous silicate suspens0 cites · 20250% earned
- 2113US12257737B2Ecological slope anti-corrosion timber pile, and treatment device and treatment method the0 cites · 20250% earned
- 229US12472658B1Method for the modification of wood materials to improve mechanical properties, water resi0 cites · 20250% earned
- 234US12600056B2Combined process of hydrolysis and esterification of wood0 cites · 2024
- 241US12606955B2Treatment vessel having reduced outlet end diameter0 cites · 2024
Active· last 5 yrs
The top-scoring B27K patents of the last 5 years
- 199US12491658B1✦ AIWood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a metho1 cites · 202544% earned
- 296US11807782B2✦ AIFire retardant-treated wood products with durable coating protection4 cites · 202175% earned
- 392US11707861B1✦ AIBridge for use with woodworking clamps and method of use3 cites · 202367% earned
- 488US12168727B2Transparent wood composite, systems and method of fabrication3 cites · 202267% earned
- 583US11930817B2Wood preservatives5 cites · 202184% earned
- 679US12221576B2Flame-retardant and latent hardener composition, a method for making flame-retarded wood a5 cites · 202184% earned
- 775US11193270B2Multilayer noncombustible wood5 cites · 202184% earned
- 871US11554514B2Strong and tough structural wood materials, and methods for fabricating and use thereof3 cites · 202263% earned
- 967US11656756B2Touch detection device with touch interface made of composite material2 cites · 202261% earned
- 1063US12054945B2Method of manufacturing OSB with extruded polymer bands2 cites · 202367% earned
- 1158US12486408B2Use of biocidal aerogel compositions in on-shore paints, coatings and sealants2 cites · 202467% earned
- 1254US11639010B2Electron beam treatment for invasive pests2 cites · 202176% earned
- 1350US11679526B2Method and system for a continuous wood modification heat process2 cites · 202176% earned
- 1446US12138823B2Fireproof water-resistant wood chip material and method of its production2 cites · 202276% earned
- 1542US11806666B2Methods and systems for recovering terpene compositions from wood drying exhaust2 cites · 202158% earned
- 1638US11623995B2Impregnate with antistatic properties1 cites · 202256% earned
- 1733US12280518B2Wood template-supported phase change composite for thermal energy applications1 cites · 202367% earned
- 1829US11358302B1Mulch coloring1 cites · 202267% earned
- 1925US11370145B2Systems and methods for drying wood products1 cites · 202156% earned
- 2021US11897162B2Piezoresistive sensor material and preparation method and use thereof1 cites · 202167% earned
- 2117US11280186B2Methods and devices for evaluating the contents of materials1 cites · 202146% earned
- 2213US11882833B2Wood preservative and method for producing same0 cites · 20220% earned
- 238US11498240B2Densified wood including process for preparation0 cites · 20210% earned
- 244US12471594B2Wood treatment solutions containing fungicides and tertiary alkanolamines and related meth0 cites · 20240% earned
- 251US11453142B2Methods for enhancing the preservation of cellulosic materials and cellulosic materials pr0 cites · 20210% earned
All-time canon
The defining B27K patents of the whole record
- 199US6620349B1✦ AIFire retardant compositions and methods for preserving wood products285 cites · 200394% earned
- 296US5695551A✦ AIWater repellent composition198 cites · 199794% earned
- 392US4568088A✦ AIGolf club head176 cites · 198694% earned
- 488US5114032APlug for sealing preservative in wood160 cites · 199294% earned
- 583US5186947AWood preservative based on polymeric nitrogen compounds and metal-fixing acids143 cites · 199393% earned
- 679US5869138AMethod for forming pattern on a synthetic wood board135 cites · 199990% earned
- 775US3968276AProcess for the preservation of wood131 cites · 197693% earned
- 871US6274199B1Wood treatment process122 cites · 200193% earned
- 967US3986268AProcess and apparatus for seasoning wood110 cites · 197693% earned
- 1063US5874025ATimber preservative containing a copper compound110 cites · 199993% earned
- 1158US5049383AAqueous biocidal cationic dispersions of polymers and their use as fungicidal, bactericida108 cites · 199193% earned
- 1254US5714507ASynergistic compositions containing metconazole and another triazole106 cites · 199889% earned
- 1350US5990043AAnti-fouling compositions106 cites · 199993% earned
- 1446US5536305ALow leaching compositions for wood99 cites · 199689% earned
- 1542US5833741AWaterproofing and preservative compositons for wood95 cites · 199893% earned
- 1638US5438034AQuaternary ammonium carbonate compositions and preparation thereof93 cites · 199587% earned
- 1733US4622248APreservative composition for wood93 cites · 198693% earned
- 1829US5635217AWood preservatives92 cites · 199787% earned
- 1925US5527384APreservatives for wood and other cellulosic materials92 cites · 199687% earned
- 2021US5462589ASynergistic wood preservative compositions92 cites · 199589% earned
- 2117US6352583B1Wood preservative for subsequent application90 cites · 200293% earned
- 2213US5370919AFluorochemical water- and oil-repellant treating compositions87 cites · 199493% earned
- 238US4737491AWood preservative87 cites · 198893% earned
- 244US6521288B2Compositions and methods for wood preservation86 cites · 200289% earned
- 251US6541038B1Method for treating wood with a metal-containing treating agent and wood treated thereby84 cites · 200393% earned
Rising· last 2 yrs
Assignees whose newest B27K patents became public in the last 2 years — the current frontier
- 199KOP COAT INC11 patents · 217 citations
- 294KOPPERS PERFORMANCE CHEMICALS INC19 patents · 26 citations
- 389BAKELITE CHEMICALS LLC3 patents · 2 citations
- 483WOODPECKERS LLC3 patents · 3 citations
- 578HAERI BOBAK4 patents · 0 citations
- 672AHF LLC3 patents · 0 citations
- 767AEROGEL APS2 patents · 2 citations
- 861UNIV NANJING FORESTRY4 patents · 0 citations
- 956PROJECT NOAH INC3 patents · 0 citations
- 1050M&H TECHNICAL RES INSTITUTE CO LTD2 patents · 0 citations
- 1144DIAM BOUCHAGE2 patents · 0 citations
- 1239COPPER CARE WOOD PRESERVATIVES INC1 patents · 0 citations
- 1333INVENTWOOD INC1 patents · 0 citations
- 1428Vermont Wildwoods1 patents · 0 citations
- 1522GREENE REV LLC1 patents · 0 citations
- 1617NGUYEN LIEM DUY1 patents · 0 citations
- 1711PANASONIC IP MAN CO LTD1 patents · 0 citations
- 186T2EARTH HOLDINGS LLC1 patents · 0 citations
- 191UNIV HARBIN NORMAL1 patents · 0 citations
Active· last 5 yrs
Sustained B27K output across the last 5 years
- 199KOP COAT INC11 patents · 217 citations
- 296US AGRICULTURE8 patents · 82 citations
- 392KOPPERS PERFORMANCE CHEMICALS INC19 patents · 26 citations
- 488UNIV MARYLAND9 patents · 19 citations
- 583SMITH MICHAEL4 patents · 30 citations
- 679SWISS KRONO Tec AG7 patents · 11 citations
- 775LU ZIQIANG3 patents · 10 citations
- 871SAS WOODOO3 patents · 7 citations
- 967TITAN WOOD LTD6 patents · 4 citations
- 1063TRICOYA TECH LTD10 patents · 4 citations
- 1158LOUISIANA PACIFIC CORP3 patents · 5 citations
- 1254DOW GLOBAL TECHNOLOGIES LLC16 patents · 3 citations
- 1350SMARTFUME CO2 patents · 11 citations
- 1446NUTRITION & BIOSCIENCES USA 2 LLC5 patents · 5 citations
- 1542STORA ENSO OYJ6 patents · 3 citations
- 1638AMERICAN CHEMET CORP3 patents · 2 citations
- 1733BAKELITE CHEMICALS LLC3 patents · 2 citations
- 1829WOODPECKERS LLC3 patents · 3 citations
- 1925WELLS FARGO BANK NA2 patents · 9 citations
- 2021HAERI BOBAK4 patents · 0 citations
- 2117ARXADA LLC3 patents · 2 citations
- 2213BOND DISTRIBUTING LTD3 patents · 2 citations
- 238MORIWATAKARA CO LTD2 patents · 5 citations
- 244AHF LLC3 patents · 0 citations
- 251FLOORING TECHNOLOGIES LTD3 patents · 1 citations
All-time canon
All-time PatentIndex Score in B27K
- 199WOLMAN GMBH DR18 patents · 731 citations
- 296LONZA AG23 patents · 763 citations
- 392BAYER AG16 patents · 464 citations
- 488HICKSON INT PLC5 patents · 239 citations
- 583JANSSEN PHARMACEUTICA NV10 patents · 288 citations
- 679MOONEY CHEMICALS10 patents · 318 citations
- 775KOP COAT INC11 patents · 217 citations
- 871DOW CHEMICAL CO18 patents · 298 citations
- 967DOW CORNING15 patents · 312 citations
- 1063PPG INDUSTRIES INC6 patents · 199 citations
- 1158OSMOSE INC7 patents · 162 citations
- 1254NISUS CORP7 patents · 122 citations
- 1350WOODHOLDINGS ENVIRONMENTAL INC5 patents · 97 citations
- 1446RUETGERSWERKE AG5 patents · 162 citations
- 1542OSMOSE WOOD PRESERVING CO5 patents · 210 citations
- 1638BASF AG17 patents · 228 citations
- 1733ROHM & HAAS12 patents · 187 citations
- 1829M FIRE SUPPRESSION INC5 patents · 137 citations
- 1925COMMW SCIENT IND RES ORG6 patents · 148 citations
- 2021CANADIAN PATENTS DEV6 patents · 141 citations
- 2117KOPPERS CO INC13 patents · 178 citations
- 2213SHINETSU CHEMICAL CO6 patents · 120 citations
- 238WACKER CHEMIE GMBH6 patents · 146 citations
- 244TRIANGLE PACIFIC CORP5 patents · 127 citations
- 251CHEMICAL SPECIALTIES INC4 patents · 188 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth