Topic leaderboard
Chemical cleaning or de-greasing of metals
Ranked by the PatentIndex Score — a 1–99 percentile within C23G · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C23G patents became public in the last 2 years — the current frontier
- 199Bernard Patrick Bewlay6 patents · 70 citations
- 296Nicole Jessica Tibbetts6 patents · 70 citations
- 392Evan Jarrett Dolley6 patents · 65 citations
- 488Peter Joseph Yancey5 patents · 11 citations
- 583Denise Anne Anderson3 patents · 27 citations
- 679Eric John Telfeyan3 patents · 27 citations
- 775Frank Wagenbaugh3 patents · 27 citations
- 871Nathan David Mclean3 patents · 27 citations
- 967Nicholas Mcgaha3 patents · 6 citations
- 1063Shawn Kerry Mcgann3 patents · 6 citations
- 1158Shinji Namba3 patents · 5 citations
- 1254Kosei Tsuji6 patents · 0 citations
- 1350Ryusuke Nakatsuka6 patents · 0 citations
- 1446Masashi Yoshikawa4 patents · 0 citations
- 1542Alice Dumont1 patents · 1 citations
- 1638Clément Philippot1 patents · 1 citations
- 1733Deborah Herry1 patents · 1 citations
- 1829Martin Beauvais1 patents · 1 citations
- 1925Makoto Watanabe3 patents · 0 citations
- 2021Masahiro Suemune2 patents · 0 citations
- 2117Takahiro Yagi2 patents · 0 citations
- 2213DALTON JAMES C2 patents · 0 citations
- 238LANGER BENEDIKT1 patents · 0 citations
- 244MERTENS TOBIAS1 patents · 0 citations
- 251Aad Alief Rasyidi Baking1 patents · 0 citations
Active· last 5 yrs
Sustained C23G output across the last 5 years
- 199William A. Wojtczak17 patents · 276 citations
- 296Emil A. Kneer13 patents · 77 citations
- 392Liming Zhang8 patents · 127 citations
- 488Thomas Dory10 patents · 34 citations
- 583Bing Du9 patents · 32 citations
- 679Tomonori Takahashi10 patents · 32 citations
- 775Bernard Patrick Bewlay6 patents · 70 citations
- 871Nicole Jessica Tibbetts6 patents · 70 citations
- 967Evan Jarrett Dolley6 patents · 65 citations
- 1063Clay Purdy15 patents · 24 citations
- 1158Markus Weissenberger14 patents · 22 citations
- 1254Peter Joseph Yancey5 patents · 11 citations
- 1350Masaaki Tsuzaki6 patents · 25 citations
- 1446Erik C. Olson5 patents · 14 citations
- 1542Allan Stanfield4 patents · 21 citations
- 1638Joseph Wayne Deskin4 patents · 21 citations
- 1733Jon Loshinsky4 patents · 21 citations
- 1829Preston Cray Smith4 patents · 21 citations
- 1925Ronnie Dwaine Phelps4 patents · 21 citations
- 2021Chiyu Zhu5 patents · 19 citations
- 2117Marko Tuominen5 patents · 19 citations
- 2213Suvi Haukka5 patents · 19 citations
- 238Tom E. Blomberg5 patents · 19 citations
- 244Varun Sharma5 patents · 19 citations
- 251Takashi Tanaka4 patents · 36 citations
All-time canon
Career PatentIndex Score in C23G
- 199Wai Mun Lee28 patents · 1,263 citations
- 296Minoru Inada17 patents · 815 citations
- 392Yasutaka Imajo17 patents · 815 citations
- 488Kimiaki Kabuki14 patents · 687 citations
- 583Nobuhiro Saitoh14 patents · 687 citations
- 679Noriaki Yagi14 patents · 687 citations
- 775Akitsugu Kurita8 patents · 508 citations
- 871Takayuki Oguni8 patents · 508 citations
- 967Yoshiaki Takezawa8 patents · 508 citations
- 1063David Jackson8 patents · 981 citations
- 1158Robert J. Small11 patents · 827 citations
- 1254John G. Owens27 patents · 786 citations
- 1350Richard M. Flynn28 patents · 745 citations
- 1446Dean S. Milbrath13 patents · 454 citations
- 1542Hideto Yanome13 patents · 430 citations
- 1638Daniel R. Vitcak15 patents · 409 citations
- 1733Abid N. Merchant36 patents · 1,113 citations
- 1829Mohamed Emam Labib7 patents · 345 citations
- 1925James B. Mcclain8 patents · 455 citations
- 2021James Deyoung7 patents · 430 citations
- 2117Rajiv R. Singh23 patents · 390 citations
- 2213Diane Hymes11 patents · 322 citations
- 238George G. I. Moore10 patents · 220 citations
- 244Irl E. Ward8 patents · 436 citations
- 251Barbara Haviland Minor37 patents · 489 citations
Rising· last 2 yrs
The top-scoring C23G patents made public in the last 2 years
- 199US12187986B2✦ AICleaning solution and methods of cleaning a turbine engine1 cites · 202450% earned
- 296US12385121B2✦ AICoated steel sheet and high strength press hardened steel part and method of manufacturing1 cites · 202456% earned
- 392US12334301B2✦ AIPlasma source and method for removing materials from substrates utilizing pressure waves0 cites · 20240% earned
- 488US12006965B1Connector for non-cylindrical composite tubing0 cites · 20240% earned
- 583US12584228B2Preparation for pre-treating surfaces by chemically converting oxide layers of titanium or0 cites · 20240% earned
- 679US12555709B2Grain-oriented electrical steel sheet0 cites · 20240% earned
- 775US12325929B2Method for smoothing surface of copper foil and copper foil obtained0 cites · 20240% earned
- 871US12448690B2Treatment method after plating with Sn or Sn alloy0 cites · 20240% earned
- 967US12371800B2Pickling apparatus and pickling method0 cites · 20240% earned
- 1063US12305247B2Stainless steel sheet and methods for manufacturing the same0 cites · 20240% earned
- 1158US12354778B2Grain-oriented electrical steel sheet and method for producing same0 cites · 20240% earned
- 1254US12571110B2Metal sulfide scale dissolver for oilfield application0 cites · 20250% earned
- 1350US12344941B2Automatic descaling system for high-pressure reactor of laterite nickel ore0 cites · 20250% earned
- 1446US12553139B2Fluoride ion cleaning systems0 cites · 20240% earned
- 1542US12529146B2Pretreatment method of aluminum alloy coil0 cites · 20240% earned
- 1638US12546015B2Fluoride ion cleaning systems and methods including post-retort fluid stream processing0 cites · 20240% earned
- 1733US12331409B2Fuel cell separator manufacturing method0 cites · 20240% earned
- 1829US12503789B2Die-casting metal part-polymer resin composite and method for preparing same0 cites · 20240% earned
- 1925US12534790B2Hot dip galvannealed steel sheet0 cites · 20240% earned
- 2021US12234561B2Method for the cleaning and/or anti-corrosion pretreatment of a plurality of components co0 cites · 20240% earned
- 2117US12545984B2Surface modification of a zinc-based metal coating in a hot-dip coating process0 cites · 20240% earned
- 2213US12359321B2Stripper composition and cleaning method0 cites · 20240% earned
- 238US12410357B2Use of percitric acid in oil- and gas-field operations0 cites · 20240% earned
- 244US12590351B2Production method for non-oriented silicon steel and non-oriented silicon steel0 cites · 20240% earned
- 251US12116659B2Preparation method of large-scale die blank for vacuum isothermal forging0 cites · 20240% earned
Active· last 5 yrs
The top-scoring C23G patents of the last 5 years
- 199US11254585B2✦ AIMethod for treating pickling acid residue16 cites · 202189% earned
- 296US11795671B2✦ AIFaucet fitting8 cites · 202186% earned
- 392US11802342B2✦ AIMethods for wet atomic layer etching of ruthenium6 cites · 202385% earned
- 488US11623175B1Apparatus for trapping of reaction by-product having self regenerating function for used i5 cites · 202384% earned
- 583US11077474B1Method of cleaning pipeline6 cites · 202178% earned
- 679US11810756B2Plasma source and method for removing materials from substrates utilizing pressure waves4 cites · 202162% earned
- 775US11618933B2Coated steel member, coated steel sheet, and methods for manufacturing same3 cites · 202272% earned
- 871US11492679B2Hot-rolled steel sheet and method for manufacturing same4 cites · 202182% earned
- 967US11370000B2System for and method of by-product removal from a metal substrate2 cites · 202158% earned
- 1063US12138670B2Substrate treating apparatus and substrate treating method2 cites · 202276% earned
- 1158US12187986B2Cleaning solution and methods of cleaning a turbine engine1 cites · 202450% earned
- 1254US11946113B2Method for producing grain oriented electrical steel sheet2 cites · 202276% earned
- 1350US12018344B2High-strength steel sheet and method for manufacturing same2 cites · 202276% earned
- 1446US11781227B2Composition useful in metal sulfide scale removal2 cites · 202176% earned
- 1542US12049688B2Austenitic stainless steel having excellent electrical conductivity, and method for manufa2 cites · 202176% earned
- 1638US11643699B2Ferritic stainless steel sheet and production method thereof, and ferritic stainless membe2 cites · 202176% earned
- 1733US11640899B2Atomic layer etching processes1 cites · 202242% earned
- 1829US11584900B2Method for removing one or more of: coating, corrosion, salt from a surface1 cites · 202250% earned
- 1925US12385121B2Coated steel sheet and high strength press hardened steel part and method of manufacturing1 cites · 202456% earned
- 2021US11739429B2Methods for refurbishing aerospace components1 cites · 202267% earned
- 2117US12139690B2Simplified method for pretreating metal substrates for cold forming and reactive lubricant1 cites · 202256% earned
- 2213US11530714B1Connector for non-cylindrical composite tubing1 cites · 202250% earned
- 238US11286547B2Ferritic stainless steel having excellent salt corrosion resistance1 cites · 202167% earned
- 244US11384319B2Cleaner composition, cleaning aerosol, and method for cleaning contaminated part1 cites · 202167% earned
- 251US11654516B2Aluminium multilayer brazing sheet for fluxfree brazing1 cites · 202167% earned
All-time canon
The defining C23G patents of the whole record
- 199US5100660A✦ AIThickened acidic aqueous compositions using cross-linked dialkylaminoacrylic microparticle429 cites · 199295% earned
- 296US5013366A✦ AICleaning process using phase shifting of dense phase gases353 cites · 199194% earned
- 392US5669979A✦ AIPhotoreactive surface processing307 cites · 199794% earned
- 488US5981454APost clean treatment composition comprising an organic acid and hydroxylamine272 cites · 199991% earned
- 583US5334332ACleaning compositions for removing etching residue and method of using247 cites · 199482% earned
- 679US5417768AMethod of cleaning workpiece with solvent and then with liquid carbon dioxide242 cites · 199594% earned
- 775US4786352AApparatus for in-situ chamber cleaning229 cites · 198894% earned
- 871US5269881APlasma processing apparatus and plasma cleaning method220 cites · 199394% earned
- 967US5876453AImplant surface preparation214 cites · 199986% earned
- 1063US5948702ASelective removal of TixNy207 cites · 199994% earned
- 1158US6465403B1Silicate-containing alkaline compositions for cleaning microelectronic substrates194 cites · 200291% earned
- 1254US5083030ADouble-sided radiation-assisted processing apparatus186 cites · 199294% earned
- 1350US5603338AImplant surface preparation utilizing acid treatment181 cites · 199785% earned
- 1446US7052553B1Wet cleaning of electrostatic chucks174 cites · 200694% earned
- 1542US5811383AHigh water content, low viscosity, oil continuous microemulsions and emulsions, and their 171 cites · 199890% earned
- 1638US5253969AFeeding system for strip material, particularly in treatment plants for metal strips169 cites · 199390% earned
- 1733US5399060AFeeding system for strip material, particularly in treatment plants for metal strip166 cites · 199590% earned
- 1829US6156661APost clean treatment164 cites · 200090% earned
- 1925US5972424ARepair of gas turbine engine component coated with a thermal barrier coating158 cites · 199994% earned
- 2021US5385937ANitrosation of homocysteine as a method for treating homocysteinemia156 cites · 199594% earned
- 2117US6858571B2Pentafluoropropene-based compositions150 cites · 200490% earned
- 2213US5938854AMethod and apparatus for cleaning surfaces with a glow discharge plasma at one atmosphere 147 cites · 199994% earned
- 238US5236602ADense fluid photochemical process for liquid substrate treatment146 cites · 199388% earned
- 244US5509431APrecision cleaning vessel142 cites · 199693% earned
- 251US5837958AMethods and apparatus for treating the surface of a workpiece by plasma discharge140 cites · 199893% earned
Rising· last 2 yrs
Assignees whose newest C23G patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC62 patents · 1,333 citations
- 295US NAVY10 patents · 128 citations
- 390NIPPON STEEL CORP51 patents · 84 citations
- 485JFE STEEL CORP41 patents · 30 citations
- 580TOYOTA MOTOR CO LTD6 patents · 42 citations
- 675ARCELORMITTAL13 patents · 5 citations
- 770ATMOSPHERIC PLASMA SOLUTIONS INC2 patents · 4 citations
- 865HALLIBURTON ENERGY SERVICES INC4 patents · 3 citations
- 960HENKEL AG & CO KGAA12 patents · 0 citations
- 1055PRIMETALS TECH JAPAN LTD7 patents · 0 citations
- 1150PLASTAL CO LTD2 patents · 1 citations
- 1245THYSSENKRUPP STEEL EUROPE AG3 patents · 0 citations
- 1340INSTITUTE OF RES OF IRON AND STEEL JIANGSU PROVINCE/SHA STEEL CO LTD CN2 patents · 0 citations
- 1435AIRBUS OPERATIONS GMBH1 patents · 0 citations
- 1530BEIJING RESEARCH INSTITUTE OF MECHANICAL&ELECTRICAL TECH CO LTD CAM1 patents · 0 citations
- 1625CHEN JUN1 patents · 0 citations
- 1720ELECTRONIC SOLUTIONS TECH TAIWAN LTD1 patents · 0 citations
- 1815ISHIHARA CHEMICAL CO LTD1 patents · 0 citations
- 1910NAN YA PLASTICS CORP1 patents · 0 citations
- 205PT QMB NEW ENERGY MAT1 patents · 0 citations
- 211SECURE SPECIALTY CHEMICALS CORP1 patents · 0 citations
Active· last 5 yrs
Sustained C23G output across the last 5 years
- 199APPLIED MATERIALS INC29 patents · 713 citations
- 296UNITED TECHNOLOGIES CORP19 patents · 738 citations
- 392GEN ELECTRIC62 patents · 1,333 citations
- 488BOEING CO17 patents · 300 citations
- 583ECOLAB USA INC16 patents · 98 citations
- 679CANON KK10 patents · 113 citations
- 775US NAVY10 patents · 128 citations
- 871KAO CORP10 patents · 121 citations
- 967FUJIFILM ELECTRONIC MAT USA INC10 patents · 34 citations
- 1063NIPPON STEEL CORP51 patents · 84 citations
- 1158KOBE STEEL LTD14 patents · 94 citations
- 1254MITSUBISHI GAS CHEMICAL CO9 patents · 129 citations
- 1350TOKYO ELECTRON LTD16 patents · 58 citations
- 1446FLUID ENERGY GROUP LTD13 patents · 24 citations
- 1542ENTEGRIS INC6 patents · 32 citations
- 1638JFE STEEL CORP41 patents · 30 citations
- 1733MITSUBISHI HEAVY IND LTD6 patents · 35 citations
- 1829TOYOTA MOTOR CO LTD6 patents · 42 citations
- 1925TEXAS NAMEPLATE COMPANY INC4 patents · 21 citations
- 2021RAYTHEON CO3 patents · 112 citations
- 2117ASM IP HOLDING BV5 patents · 19 citations
- 2213CHEMETALL GMBH12 patents · 39 citations
- 238RIDDLES DEHI & CHEMICAL SERVICES CO INC5 patents · 12 citations
- 244ATOTECH DEUTSCHLAND GMBH5 patents · 30 citations
- 251CRISOLTEQ LTD2 patents · 33 citations
All-time canon
All-time PatentIndex Score in C23G
- 199EKC TECHNOLOGY INC31 patents · 1,832 citations
- 296HUGHES AIRCRAFT CO9 patents · 953 citations
- 392TOSHIBA KK16 patents · 476 citations
- 488APPLIED MATERIALS INC29 patents · 713 citations
- 583DOW CHEMICAL CO41 patents · 1,033 citations
- 679MINNESOTA MINING & MFG11 patents · 454 citations
- 775UNITED TECHNOLOGIES CORP19 patents · 738 citations
- 871DU PONT91 patents · 1,957 citations
- 967LAM RES CORP22 patents · 603 citations
- 1063TOSHIBA SILICONE6 patents · 360 citations
- 1158GEN ELECTRIC62 patents · 1,333 citations
- 1254PRINCETON TRADE & TECH INC6 patents · 336 citations
- 1350MICELL TECHNOLOGIES INC8 patents · 455 citations
- 1446ADVANCED TECH MATERIALS13 patents · 437 citations
- 1542HONEYWELL INT INC27 patents · 439 citations
- 16383M INNOVATIVE PROPERTIES CO29 patents · 489 citations
- 1733HALLIBURTON CO16 patents · 605 citations
- 1829ASHLAND INC17 patents · 607 citations
- 1925BAXTER INT7 patents · 338 citations
- 2021AMCHEM PROD25 patents · 802 citations
- 2117CHURCH & DWIGHT CO INC32 patents · 725 citations
- 2213HENKEL KGAA30 patents · 735 citations
- 238SOLVAY21 patents · 358 citations
- 244AIR LIQUIDE7 patents · 262 citations
- 251IBIDEN CO LTD7 patents · 147 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth