Topic leaderboard
CPC C10N
Ranked by the PatentIndex Score — a 1–99 percentile within C10N · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C10N patents became public in the last 2 years — the current frontier
- 199Cyril A. Migdal35 patents · 1,150 citations
- 296Barbara Haviland Minor34 patents · 328 citations
- 392William R. S. Barton52 patents · 344 citations
- 488Ian Bell15 patents · 450 citations
- 583Mark C. Davies28 patents · 304 citations
- 679Kenneth D. Nelson27 patents · 272 citations
- 775Eric D. Morrison36 patents · 237 citations
- 871Peijun Jiang13 patents · 123 citations
- 967Helen T. Ryan14 patents · 186 citations
- 1063Robert G. Rowland22 patents · 216 citations
- 1158Hye Kyung Cho Timken7 patents · 115 citations
- 1254Jo Ann M. Canich15 patents · 101 citations
- 1350Daniel J. Saccomando31 patents · 96 citations
- 1446Stefan Seemeyer31 patents · 79 citations
- 1542Victor Fuk-Pong Man7 patents · 56 citations
- 1638Chad Thompson11 patents · 51 citations
- 1733Kevin J. Kelly9 patents · 103 citations
- 1829Jason Drew Gillen10 patents · 62 citations
- 1925Ronald A. Raedeke10 patents · 62 citations
- 2021Sheri H. Dahlke10 patents · 62 citations
- 2117William T. Bigbee, Jr.10 patents · 62 citations
- 2213Melvin Glenn Debord8 patents · 58 citations
- 238Naoya Fukumoto24 patents · 90 citations
- 244Katsumi Murofushi20 patents · 82 citations
- 251Daisuke Yagyu20 patents · 77 citations
Active· last 5 yrs
Sustained C10N output across the last 5 years
- 199Mark T. Devlin36 patents · 1,281 citations
- 296William R. Ruhe, Jr.39 patents · 1,559 citations
- 392William D. Abraham39 patents · 1,602 citations
- 488Vincent J. Gatto35 patents · 1,213 citations
- 583Paul E. Adams45 patents · 1,330 citations
- 679Cyril A. Migdal35 patents · 1,150 citations
- 775Raymond F. Watts48 patents · 1,636 citations
- 871Barbara Haviland Minor34 patents · 328 citations
- 967Jeffry G. Dietz18 patents · 557 citations
- 1063Abdullah Al-Yami35 patents · 109 citations
- 1158Vikrant Wagle32 patents · 108 citations
- 1254Hussain Albahrani28 patents · 100 citations
- 1350David J. Moreton22 patents · 443 citations
- 1446Douglas E. Deckman30 patents · 442 citations
- 1542Keith R. Gorda15 patents · 319 citations
- 1638Velliyur Nott Mallikarjuna Rao18 patents · 166 citations
- 1733Donald A. Oldiges8 patents · 398 citations
- 1829Paul R. Stevenson13 patents · 268 citations
- 1925William R. S. Barton52 patents · 344 citations
- 2021Ian Bell15 patents · 450 citations
- 2117Mark C. Davies28 patents · 304 citations
- 2213Frances E. Lockwood19 patents · 349 citations
- 238Thomas R. Forbus, Jr.13 patents · 545 citations
- 244Patrick E. Mosier52 patents · 326 citations
- 251Kazuo Tagawa27 patents · 925 citations
All-time canon
Career PatentIndex Score in C10N
- 199John M. King19 patents · 2,717 citations
- 296Louis Devries11 patents · 2,275 citations
- 392Kirk E. Davis23 patents · 3,317 citations
- 488Mark T. Devlin36 patents · 1,281 citations
- 583James J. Harrison26 patents · 1,486 citations
- 679Rolfe J. Hartley32 patents · 1,962 citations
- 775Theodore E. Nalesnik41 patents · 1,794 citations
- 871William R. Ruhe, Jr.39 patents · 1,559 citations
- 967William D. Abraham39 patents · 1,602 citations
- 1063Margaret M. Wu48 patents · 2,129 citations
- 1158Albert Rossi27 patents · 1,419 citations
- 1254Jacob Emert86 patents · 2,374 citations
- 1350Vincent J. Gatto35 patents · 1,213 citations
- 1446Robert H. Wollenberg38 patents · 1,838 citations
- 1542James P. Roski20 patents · 719 citations
- 1638John T. Loper42 patents · 747 citations
- 1733Antonio Gutierrez146 patents · 3,765 citations
- 1829Robert D. Lundberg104 patents · 2,710 citations
- 1925Virginia A. Carrick29 patents · 961 citations
- 2021Paul E. Adams45 patents · 1,330 citations
- 2117Charles Cozewith14 patents · 1,125 citations
- 2213Malcolm Waddoups23 patents · 1,119 citations
- 238Raymond H. Thomas27 patents · 1,081 citations
- 244Cyril A. Migdal35 patents · 1,150 citations
- 251Brent R. Dohner18 patents · 711 citations
Rising· last 2 yrs
The top-scoring C10N patents made public in the last 2 years
- 199US11998854B1✦ AILow-friction recreational slide system8 cites · 202480% earned
- 296US12043817B1✦ AILow viscosity lubricating fluid for an electric motor system3 cites · 202472% earned
- 392US12264279B1✦ AIHigh-temperature and high-salt resistant hyperbranched lubricant for water-based drilling 2 cites · 202576% earned
- 488US11926804B1Dispersant and detergent systems for improved motor oil performance3 cites · 202480% earned
- 583US11946011B1Stabilized medium chain triglyceride-based household lubricant and protective coating3 cites · 202472% earned
- 679US11958875B1Thiophosphoric acid products for antiwear additives2 cites · 202476% earned
- 775US12054688B1Antiwear system for improved copper corrosion2 cites · 202476% earned
- 871US12270005B2Lubricant containing polyphosphate additives2 cites · 202476% earned
- 967US12421462B2Lube base oil manufacturing process utilizing refined oil fraction of waste lubricant, and1 cites · 202567% earned
- 1063US12404474B1Environmentally stable solid lubricant coating1 cites · 202567% earned
- 1158US12281280B2Lubrication of transfer plates using an oil or oil in water emulsions1 cites · 202440% earned
- 1254US12281276B2Structured assembly lubricant1 cites · 202456% earned
- 1350US11884893B1Antiwear system for improved copper corrosion1 cites · 202467% earned
- 1446US12195689B1Lubricating compositions1 cites · 202567% earned
- 1542US11866672B1Lubricating oil composition1 cites · 202456% earned
- 1638US12300404B1System, composition and method of application of same for reducing the coefficient of fric0 cites · 20250% earned
- 1733US12234426B2Cleaning compositions employing extended chain anionic surfactants0 cites · 20240% earned
- 1829US12467010B2Dielectric fluids comprising natural bio-sourced oil with increased stability0 cites · 20240% earned
- 1925US12340829B2Lubricants and methods to determine dewetting thickness thereof0 cites · 20240% earned
- 2021US12441950B2Lubricant compositions and methods for using the same0 cites · 20240% earned
- 2117US12319877B2Circular economy for plastic waste to polypropylene and lubricating oil via refinery FCC a0 cites · 20240% earned
- 2213US12252658B2Durable surface coatings0 cites · 20240% earned
- 238US12286580B2Compositions0 cites · 20250% earned
- 244US12241561B2Hard and lubricious valve surfaces, material compositions and sequences of manufacturing0 cites · 20240% earned
- 251US12109511B2Systems and methods for removing moisture from a power transformer0 cites · 20240% earned
Active· last 5 yrs
The top-scoring C10N patents of the last 5 years
- 199US11359156B2✦ AIUV cure basecoatings for medical devices20 cites · 202185% earned
- 296US11473016B2✦ AICircular economy for plastic waste to polyethylene and lubricating oil via crude and isome16 cites · 202184% earned
- 392US11998854B1✦ AILow-friction recreational slide system8 cites · 202480% earned
- 488US11518945B2Circular economy for plastic waste to polypropylene and lubricating oil via refinery FCC a12 cites · 202179% earned
- 583US11326123B1Durable lubricating fluids for electric vehicles10 cites · 202287% earned
- 679US11739191B2Reactor for continuously treating polymeric material8 cites · 202171% earned
- 775US11261394B2Fluorine-containing ether compound, lubricant for magnetic recording media, and magnetic r12 cites · 202188% earned
- 871US11118134B2Triglyceride oil compositions8 cites · 202176% earned
- 967US11732170B2Stabilized heat transfer compositions, methods and systems5 cites · 202277% earned
- 1063US11572523B1Sulfurized additives with low levels of alkyl phenols5 cites · 202377% earned
- 1158US11639330B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic 9 cites · 202187% earned
- 1254US11414617B2Lubricants and methods to determine dewetting thickness thereof5 cites · 202269% earned
- 1350US11499110B2Catalytic upcycling of polyolefins into lubricants6 cites · 202278% earned
- 1446US12043817B1Low viscosity lubricating fluid for an electric motor system3 cites · 202472% earned
- 1542US12264279B1High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling 2 cites · 202576% earned
- 1638US11345872B2Sulfur-free, ashless, low phosphorus lubricant compositions with improved oxidation stabil5 cites · 202184% earned
- 1733US11926804B1Dispersant and detergent systems for improved motor oil performance3 cites · 202480% earned
- 1829US11655407B1Drop-in recycled refrigerant compositions having no net GWP replacing R-410A4 cites · 202382% earned
- 1925US11225624B2Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic 7 cites · 202186% earned
- 2021US11312919B2Lubrication of transfer plates using an oil or oil in water emulsions5 cites · 202163% earned
- 2117US11827862B2Durable surface coatings4 cites · 202270% earned
- 2213US11999920B2Cold flow additives for plastic-derived synthetic feedstock4 cites · 202275% earned
- 238US11639771B2Integrated system and method for automatic rejuvenation of turbine oil for improving equip4 cites · 202282% earned
- 244US11332686B2Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic r7 cites · 202186% earned
- 251US11946011B1Stabilized medium chain triglyceride-based household lubricant and protective coating3 cites · 202472% earned
All-time canon
The defining C10N patents of the whole record
- 199US4234435A✦ AINovel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant com1,870 cites · 198096% earned
- 296US8193129B2✦ AIRefrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fl779 cites · 201086% earned
- 392US4827064A✦ AIHigh viscosity index synthetic lubricant compositions559 cites · 198995% earned
- 488US4956122ALubricating composition550 cites · 199095% earned
- 583US4827073AProcess for manufacturing olefinic oligomers having lubricating properties480 cites · 198995% earned
- 679US6090989AIsoparaffinic lube basestock compositions392 cites · 200095% earned
- 775US4540753ANarrow MWD alpha-olefin copolymers373 cites · 198592% earned
- 871US4285822AProcess for preparing a sulfurized molybdenum-containing composition and lubricating oil c365 cites · 198194% earned
- 967US4755316ARefrigeration lubricants339 cites · 198894% earned
- 1063US5498809APolymers derived from ethylene and 1-butene for use in the preparation of lubricant disper338 cites · 199689% earned
- 1158US6107257AHighly grafted, multi-functional olefin copolymer VI modifiers338 cites · 200094% earned
- 1254US4612132AModified succinimides332 cites · 198694% earned
- 1350US4863623ANovel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition c325 cites · 198994% earned
- 1446US5068487AOlefin oligomerization with BF3 alcohol alkoxylate co-catalysts308 cites · 199194% earned
- 1542US3948800ADispersant compositions305 cites · 197694% earned
- 1638US4263152AProcess of preparing molybdenum complexes, the complexes so-produced and lubricants contai304 cites · 198194% earned
- 1733US5185099AVisco-elastic, isotropic materials based on water, fluorinate sufactants and fluorinated o296 cites · 199394% earned
- 1829US4259195AReaction product of acidic molybdenum compound with basic nitrogen compound and lubricants293 cites · 198194% earned
- 1925US4047533AAbsorbable surgical sutures coated with polyoxyethylene-polyoxypropylene copolymer lubrica288 cites · 197794% earned
- 2021US4265773AProcess of preparing molybdenum complexes, the complexes so-produced and lubricants contai284 cites · 198194% earned
- 2117US4450553AMultilayer information disc283 cites · 198494% earned
- 2213US4218330ALubricant279 cites · 198094% earned
- 238US4454059ANitrogenous dispersants, lubricants and concentrates containing said nitrogenous dispersan279 cites · 198494% earned
- 244US4889647AOrganic molybdenum complexes278 cites · 198994% earned
- 251US4283295AProcess for preparing a sulfurized molybdenum-containing composition and lubricating oil c277 cites · 198194% earned
Rising· last 2 yrs
Assignees whose newest C10N patents became public in the last 2 years — the current frontier
- 199LUBRIZOL CORP669 patents · 20,745 citations
- 296AFTON CHEMICAL CORP194 patents · 1,209 citations
- 392IDEMITSU KOSAN CO366 patents · 3,728 citations
- 488INFINEUM INT LTD138 patents · 1,616 citations
- 583SHELL OIL CO144 patents · 2,001 citations
- 679CHEVRON USA INC107 patents · 1,502 citations
- 775CHEVRON ORONITE CO107 patents · 932 citations
- 871NTN TOYO BEARING CO LTD43 patents · 650 citations
- 967DAIKIN IND LTD50 patents · 418 citations
- 1063NSK LTD36 patents · 592 citations
- 1158KYODO YUSHI53 patents · 445 citations
- 1254MITSUI CHEMICALS INC22 patents · 232 citations
- 1350SANYO CHEMICAL IND LTD23 patents · 271 citations
- 1446BASF SE98 patents · 203 citations
- 1542CHEMOURS CO FC LLC38 patents · 78 citations
- 1638CARGILL INC11 patents · 114 citations
- 1733ECOLAB USA INC44 patents · 128 citations
- 1829NOF CORP18 patents · 102 citations
- 1925NIPPON STEEL CORP11 patents · 86 citations
- 2021BOEING CO10 patents · 31 citations
- 2117MITSUBISHI HEAVY IND LTD8 patents · 29 citations
- 2213MORESCO CORP26 patents · 47 citations
- 238AGC INC13 patents · 31 citations
- 244DOW GLOBAL TECHNOLOGIES LLC48 patents · 45 citations
- 251ENCORE WIRE CORP9 patents · 12 citations
Active· last 5 yrs
Sustained C10N output across the last 5 years
- 199LUBRIZOL CORP669 patents · 20,745 citations
- 296AFTON CHEMICAL CORP194 patents · 1,209 citations
- 392EXXONMOBIL RES & ENG CO174 patents · 1,917 citations
- 488BECTON DICKINSON CO12 patents · 789 citations
- 583IDEMITSU KOSAN CO366 patents · 3,728 citations
- 679INFINEUM INT LTD138 patents · 1,616 citations
- 775SHELL OIL CO144 patents · 2,001 citations
- 871CHEVRON USA INC107 patents · 1,502 citations
- 967HONEYWELL INT INC43 patents · 740 citations
- 1063SAUDI ARABIAN OIL CO41 patents · 153 citations
- 1158CASTROL LTD39 patents · 606 citations
- 1254US AGRICULTURE12 patents · 416 citations
- 1350CHEVRON ORONITE CO107 patents · 932 citations
- 1446KAO CORP39 patents · 562 citations
- 1542NTN TOYO BEARING CO LTD43 patents · 650 citations
- 1638DAIKIN IND LTD50 patents · 418 citations
- 1733ETHICON INC11 patents · 492 citations
- 1829NSK LTD36 patents · 592 citations
- 1925KYODO YUSHI53 patents · 445 citations
- 2021MITSUI CHEMICALS INC22 patents · 232 citations
- 2117GEN ELECTRIC22 patents · 261 citations
- 2213ARKEMA FRANCE19 patents · 168 citations
- 238SANYO CHEMICAL IND LTD23 patents · 271 citations
- 244NISSAN MOTOR20 patents · 236 citations
- 251NCH CORP19 patents · 239 citations
All-time canon
All-time PatentIndex Score in C10N
- 199LUBRIZOL CORP669 patents · 20,745 citations
- 296MOBIL OIL CORP309 patents · 7,312 citations
- 392CHEVRON RES193 patents · 7,541 citations
- 488ETHYL CORP99 patents · 4,927 citations
- 583EXXON RESEARCH ENGINEERING CO317 patents · 8,790 citations
- 679EXXON CHEMICAL PATENTS INC320 patents · 9,311 citations
- 775TEXACO INC231 patents · 6,204 citations
- 871ETHYL PETROLEUM ADDITIVES INC49 patents · 2,213 citations
- 967AFTON CHEMICAL CORP194 patents · 1,209 citations
- 1063CHEVRON CHEM CO36 patents · 1,221 citations
- 1158DOW CHEMICAL CO70 patents · 2,054 citations
- 1254CHEVRON RES & TECH21 patents · 1,009 citations
- 1350DU PONT54 patents · 946 citations
- 1446ECOLAB INC45 patents · 2,489 citations
- 1542ROHM & HAAS42 patents · 1,289 citations
- 1638EXXONMOBIL RES & ENG CO174 patents · 1,917 citations
- 1733UNIROYAL CHEM CO INC16 patents · 1,049 citations
- 1829BECTON DICKINSON CO12 patents · 789 citations
- 1925AMOCO CORP40 patents · 1,635 citations
- 2021MINNESOTA MINING & MFG12 patents · 733 citations
- 2117IDEMITSU KOSAN CO366 patents · 3,728 citations
- 2213HENKEL CORP49 patents · 1,301 citations
- 238BREDSGUARD JAKOB7 patents · 228 citations
- 244INFINEUM INT LTD138 patents · 1,616 citations
- 251ASAHI DENKA KOGYO KK20 patents · 768 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth