Topic leaderboard
Phosphatic fertilisers
Ranked by the PatentIndex Score — a 1–99 percentile within C05B · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C05B patents became public in the last 2 years — the current frontier
- 199Deborah L. Miller16 patents · 156 citations
- 296John C. Miller16 patents · 156 citations
- 392Gary David Mcknight17 patents · 65 citations
- 488Randall Linwood Rayborn17 patents · 65 citations
- 583Michael Mclaughlin12 patents · 40 citations
- 679Jozefien Degryse11 patents · 24 citations
- 775Roslyn Baird11 patents · 24 citations
- 871Rodrigo Coqui Da Silva11 patents · 24 citations
- 967Timothy G. Holt11 patents · 31 citations
- 1063Michael Frodyma5 patents · 11 citations
- 1158Keith D. Cochran7 patents · 14 citations
- 1254Guizhe Zhao5 patents · 3 citations
- 1350Yaqing Liu5 patents · 3 citations
- 1446Jerri Light3 patents · 2 citations
- 1542Yang Xiang4 patents · 3 citations
- 1638James Taylor Pursell, Jr.3 patents · 3 citations
- 1733Daniel E. Rardon2 patents · 2 citations
- 1829Raju Khatiwada2 patents · 2 citations
- 1925Trevor Morgan2 patents · 3 citations
- 2021Hani Saber Sayed Saudy2 patents · 2 citations
- 2117Hossam El-Din Saad El-Beltagi2 patents · 2 citations
- 2213Khaled Mohamed Amen Ramadan2 patents · 2 citations
- 238Sameh Ahmed Rizk2 patents · 2 citations
- 244Cu Van Bui1 patents · 2 citations
- 251Thanh Le1 patents · 2 citations
Active· last 5 yrs
Sustained C05B output across the last 5 years
- 199Kari Priest11 patents · 134 citations
- 296Shelagh Jean Steckler11 patents · 134 citations
- 392Garry Lawrence Hnatowich8 patents · 123 citations
- 488Mary Leggett8 patents · 123 citations
- 583Han Suk Kim14 patents · 156 citations
- 679Richard Wilson Belcher15 patents · 156 citations
- 775Ranko Panayotov Bontchev9 patents · 116 citations
- 871Deborah L. Miller16 patents · 156 citations
- 967John C. Miller16 patents · 156 citations
- 1063Gary David Mcknight17 patents · 65 citations
- 1158Randall Linwood Rayborn17 patents · 65 citations
- 1254Brian Buege9 patents · 82 citations
- 1350Juliette Mackay6 patents · 61 citations
- 1446Michael Mclaughlin12 patents · 40 citations
- 1542Ronald A. Sills5 patents · 48 citations
- 1638Rajashekharam Malyala5 patents · 51 citations
- 1733Vern Traxler5 patents · 51 citations
- 1829Jozefien Degryse11 patents · 24 citations
- 1925Roslyn Baird11 patents · 24 citations
- 2021Rodrigo Coqui Da Silva11 patents · 24 citations
- 2117Krish Shanmuga8 patents · 18 citations
- 2213Timothy G. Holt11 patents · 31 citations
- 238Andre Gomes5 patents · 13 citations
- 244Hong Liu5 patents · 13 citations
- 251Jiamin Wu5 patents · 13 citations
All-time canon
Career PatentIndex Score in C05B
- 199Carol J. Lovatt15 patents · 229 citations
- 296Jeffrey C. Burnham15 patents · 266 citations
- 392John Gaunt8 patents · 356 citations
- 488David Shearer6 patents · 351 citations
- 583John B. Taylor6 patents · 202 citations
- 679Kari Priest11 patents · 134 citations
- 775Shelagh Jean Steckler11 patents · 134 citations
- 871Garry Lawrence Hnatowich8 patents · 123 citations
- 967Mary Leggett8 patents · 123 citations
- 1063Gary L. Dahms7 patents · 120 citations
- 1158John Larry Sanders19 patents · 124 citations
- 1254Han Suk Kim14 patents · 156 citations
- 1350Richard Wilson Belcher15 patents · 156 citations
- 1446James C. Barber16 patents · 252 citations
- 1542Brian S. Appel4 patents · 158 citations
- 1638William F. Lange4 patents · 158 citations
- 1733George Vernon Cordner Peacocke5 patents · 301 citations
- 1829Ranko Panayotov Bontchev9 patents · 116 citations
- 1925James P. Carr5 patents · 76 citations
- 2021Donald C. Young10 patents · 148 citations
- 2117Stephen I. Sallay5 patents · 95 citations
- 2213Deborah L. Miller16 patents · 156 citations
- 238John C. Miller16 patents · 156 citations
- 244Gary David Mcknight17 patents · 65 citations
- 251Randall Linwood Rayborn17 patents · 65 citations
Rising· last 2 yrs
The top-scoring C05B patents made public in the last 2 years
- 199US12221395B1✦ AIMethod of increasing irrigation water and fertilizer delivery to soil using formic acid an3 cites · 202580% earned
- 296US11864561B1✦ AIMultipurpose fertilizer composition having anti-insect properties, water-retaining, and ca2 cites · 202476% earned
- 392US12006272B1✦ AINitrogen activator stabilizer for reducing and protecting nitrogen fertilizer1 cites · 202467% earned
- 488US11999669B1Nitrogen activator stabilizer for reducing and protecting nitrogen fertilizer1 cites · 202467% earned
- 583US11965258B1Sulfur dioxide depolarized electrolysis and electrolyzer therefore1 cites · 202456% earned
- 679US12037299B1Method for preparing small-molecule organic water-soluble fertilizer using biomass and its1 cites · 202467% earned
- 775US12171223B2Non-aqueous organo liquid delivery systems containing dispersed poly (organic acids) that 0 cites · 20240% earned
- 871US12030826B2Efficiency of man-made and/or natural organic based animal manure fertilizers by liberatin0 cites · 20240% earned
- 967US12195408B2Compositions for increasing nitrogen sources life span in plant growth mediums and methods0 cites · 20240% earned
- 1063US12258300B2Reaction methods for producing nitrogenous phosphoryl compounds that are in situ fluid com0 cites · 20250% earned
- 1158US12459875B2Use of phosphate-solubilizing microorganisms and lipo-chitooligosaccharides for enhancing 0 cites · 20240% earned
- 1254US12325673B2Hydrophobic coatings to improve the physical quality parameters of fertilizers0 cites · 20240% earned
- 1350US12264114B2Rock fines as carriers of plant nutrients0 cites · 20240% earned
- 1446US12338190B2Desensitized fertilizer compositions and methods of making same0 cites · 20240% earned
- 1542US12466774B2Methods of increasing irrigation water and fertilizer delivery to soil using formic acid a0 cites · 20250% earned
- 1638US11970426B1Enhanced nitrogen and phosphate fertilizer recovery by ferric chloride from sewage sludge 0 cites · 20240% earned
- 1733US12428355B2Integrated-preparation and application methods of urea-formaldehyde (UF)-based multi-nutri0 cites · 20250% earned
- 1829US12473202B1Two-step method to produce monocalcium phosphates from lime softening water plant residual0 cites · 20250% earned
- 1925US12497340B1Method for recovering phosphorus based on cyclic hydrothermal carbonization of wetland pla0 cites · 20250% earned
- 2021US12365638B2High-nutrient and high-activity chemical fertilizer-biological compound fertilizer, and pr0 cites · 20250% earned
- 2117US12246996B2Recycling reduced-carbon materials0 cites · 20240% earned
- 2213US12365636B2Microbial protectant in high-nutrient and high-activity chemical fertilizer-biological com0 cites · 20250% earned
- 238US12532908B2High-yield integrated production method for cigar wrappers0 cites · 20250% earned
- 244US12533719B2Method for manufacturing useful products containing carbonized solids by treating organic 0 cites · 20240% earned
- 251US12297424B2Pseudomonas fluorescens N1 and use thereof0 cites · 20240% earned
Active· last 5 yrs
The top-scoring C05B patents of the last 5 years
- 199US11426350B1✦ AIReducing the environmental impact of farming using biochar19 cites · 202281% earned
- 296US11834784B2✦ AIMethod for preparing unbleached biomechanical pulp and fully utilizing by-products by trea6 cites · 202285% earned
- 392US11747771B2✦ AIInference server and environment controller for inferring one or more commands for control6 cites · 202178% earned
- 488US12221395B1Method of increasing irrigation water and fertilizer delivery to soil using formic acid an3 cites · 202580% earned
- 583US11312666B2Mineral solubilizing microorganism infused biochars5 cites · 202177% earned
- 679US12098109B2Reaction methods for producing nitrogenous phosphoryl compounds that are in situ fluid com3 cites · 202367% earned
- 775US11390570B1Humic acid-supplemented fertilizers, macronutrients, and micronutrients5 cites · 202284% earned
- 871US11864561B1Multipurpose fertilizer composition having anti-insect properties, water-retaining, and ca2 cites · 202476% earned
- 967US12365637B2Compacted muriate of potash fertilizers containing micronutrients and methods of making sa2 cites · 202255% earned
- 1063US11987536B2Rock fines as carriers of plant nutrients2 cites · 202361% earned
- 1158US11124461B2Fertilizer3 cites · 202172% earned
- 1254US11999669B1Nitrogen activator stabilizer for reducing and protecting nitrogen fertilizer1 cites · 202467% earned
- 1350US12006272B1Nitrogen activator stabilizer for reducing and protecting nitrogen fertilizer1 cites · 202467% earned
- 1446US10981841B1Stabilized ammonium humate coating for fertilizer granules3 cites · 202172% earned
- 1542US11414357B2Crop nutrition and fortification composition3 cites · 202180% earned
- 1638US11866382B2Efficiency of man-made and/or natural organic based animal manure fertilizers by liberatin2 cites · 202155% earned
- 1733US11986217B2Apparatus for extraction of at least one element from a cavity and a pressure limitation a1 cites · 202350% earned
- 1829US11965258B1Sulfur dioxide depolarized electrolysis and electrolyzer therefore1 cites · 202456% earned
- 1925US12037299B1Method for preparing small-molecule organic water-soluble fertilizer using biomass and its1 cites · 202467% earned
- 2021US11396484B1Fertilizer and weed barrier2 cites · 202276% earned
- 2117US11465946B2Crop nutrition and fortification composition2 cites · 202176% earned
- 2213US12351533B2Methods for promoting plant health using free enzymes and microorganisms that overexpress 1 cites · 202334% earned
- 238US11117840B1Process for making a semi-soluble granule comprising rock phosphate and humic acid2 cites · 202176% earned
- 244US11814329B2Hydrophobic coatings to improve the physical quality parameters of fertilizers1 cites · 202150% earned
- 251US11267766B2Liquid fertilizer applicators and methods of forming liquid fertilizer concentrate1 cites · 202156% earned
All-time canon
The defining C05B patents of the whole record
- 199US8361186B1✦ AIBiochar218 cites · 201386% earned
- 296US5026417A✦ AIMethods and compositions for increasing the amounts of phosphorus and/or micronutrients av212 cites · 199194% earned
- 392US6228806B1✦ AIBiochemical fertilizer composition111 cites · 200193% earned
- 488US4634533AMethod of converting brines to useful products101 cites · 198793% earned
- 583US4124405AProcess for solidifying aqueous wastes and products thereof90 cites · 197893% earned
- 679US5162600AMethod of treating lead contaminated soil74 cites · 199293% earned
- 775US5514200AFormulation of phosphorus fertilizer for plants73 cites · 199678% earned
- 871US8747797B2Biochar71 cites · 201383% earned
- 967US5603744AProcess for establishing optimum soil conditions by naturally forming tilth68 cites · 199792% earned
- 1063US8080186B1Fire mitigation and moderating agents67 cites · 201192% earned
- 1158US7585652B2Recovery of inorganic salt during processing of lignocellulosic feedstocks66 cites · 200586% earned
- 1254US4407786AGlass composition63 cites · 198392% earned
- 1350US4069034ASuspension fertilizers and method of producing same60 cites · 197892% earned
- 1446US4134750AGranular ammonium phosphate sulfate and urea-ammonium phosphate sulfate using a common pip60 cites · 197992% earned
- 1542US5433766ASlow-release fertilizer59 cites · 199592% earned
- 1638US4214888AFoliar fertilization method and composition59 cites · 198092% earned
- 1733US7476296B2Apparatus and process for converting a mixture of organic materials into hydrocarbons and 58 cites · 200482% earned
- 1829US4315763AHigh analysis liquid fertilizers58 cites · 198292% earned
- 1925US6432155B1Compositions containing phosphate and xanthan gum variants56 cites · 200292% earned
- 2021US5571303ASulfur-based fertilizer and process for production thereof56 cites · 199692% earned
- 2117US4025329AParticulate urea-formaldehyde fertilizer composition and process55 cites · 197792% earned
- 2213US4154593AProcess for granulating ammonium phosphate containing fertilizers54 cites · 197992% earned
- 238US3961932AProcess for coating granular fertilizers with chelated micronutrients54 cites · 197692% earned
- 244US5720793ACalcium agent for plants54 cites · 199892% earned
- 251US5730856AMethod for treating waste liquid with electrolytic oxidation and apparatus for carrying ou53 cites · 199892% earned
Rising· last 2 yrs
Assignees whose newest C05B patents became public in the last 2 years — the current frontier
- 199MILLER JOHN C15 patents · 156 citations
- 295MOSAIC CO18 patents · 63 citations
- 391NOVOZYMES BIOAG AS6 patents · 45 citations
- 486SOILGENIC TECH LLC10 patents · 5 citations
- 582UNIV NORTH CHINA5 patents · 3 citations
- 677SPECIALTY GRANULES INVEST LLC2 patents · 2 citations
- 773UNIV KING FAISAL3 patents · 2 citations
- 868LE THANH DUC1 patents · 2 citations
- 964DEFUSE TECH LLC2 patents · 0 citations
- 1059PEREGRINE HYDROGEN INC1 patents · 1 citations
- 1155LIU WENZHI1 patents · 1 citations
- 1250PHOSPHOLUTIONS INC2 patents · 0 citations
- 1345SHANDONG ACAD AGRICULTURAL SCIENCES2 patents · 0 citations
- 1441DEERPOINT GROUP INC1 patents · 0 citations
- 1536HAINAN BETTER ECO LEISURE AGRICULTURE TECHANOLOGY CO LTD1 patents · 0 citations
- 1632MATHEWS ALEXANDER P1 patents · 0 citations
- 1727MATSUI CONSULTING CO LTD1 patents · 0 citations
- 1823ORGANILOCK INC1 patents · 0 citations
- 1918SHANXI BOYU BIOTECHNOLOGY CO LTD1 patents · 0 citations
- 2014SpectronRx1 patents · 0 citations
- 219THG LLC1 patents · 0 citations
- 225TOBACCO RES INSTITUTE OF HUBEI PROVINCE1 patents · 0 citations
- 231UNIV TIANJIN1 patents · 0 citations
Active· last 5 yrs
Sustained C05B output across the last 5 years
- 199MILLER JOHN C15 patents · 156 citations
- 296MOSAIC CO18 patents · 63 citations
- 392CARBON TECH HOLDINGS LLC7 patents · 45 citations
- 488NOVOZYMES BIOAG AS6 patents · 45 citations
- 583RHODIA OPERATIONS10 patents · 22 citations
- 679NOVOZYMES BIOLOGICALS LTD5 patents · 12 citations
- 775SPOGEN BIOTECH INC3 patents · 12 citations
- 871NIHA CORP5 patents · 9 citations
- 967SOILGENIC TECH LLC10 patents · 5 citations
- 1063FERTILIZERS & CHEMICALS LTD3 patents · 30 citations
- 1158HELIAE DEV LLC3 patents · 13 citations
- 1254SMARTFLOW TECH INC3 patents · 15 citations
- 1350EASYMINING SWEDEN AB5 patents · 7 citations
- 1446RADICAL PLASTICS INC3 patents · 14 citations
- 1542DISTECH CONTROLS INC2 patents · 15 citations
- 1638COMPASS MINERALS MANITOBA INC5 patents · 6 citations
- 1733FLUID ENERGY GROUP LTD4 patents · 7 citations
- 1829ORGANOCAT LLC3 patents · 8 citations
- 1925YARA INT ASA8 patents · 7 citations
- 2021BFP MAN LLC4 patents · 2 citations
- 2117UNIV IOWA STATE RES FOUND INC3 patents · 8 citations
- 2213THE ANDERSONS INC4 patents · 6 citations
- 238UNIV NORTH CHINA5 patents · 3 citations
- 244MERRITT KEVIN2 patents · 6 citations
- 251CALIFORNIA INST OF TECHN2 patents · 5 citations
All-time canon
All-time PatentIndex Score in C05B
- 199UNIV CALIFORNIA13 patents · 218 citations
- 296TENNESSEE VALLEY AUTHORITY30 patents · 468 citations
- 392VITAG CORP6 patents · 121 citations
- 488BURNHAM JEFFREY C7 patents · 128 citations
- 583BARBER JAMES C ASS16 patents · 252 citations
- 679COOL PLANET ENERGY SYSTEMS INC8 patents · 111 citations
- 775FULL CIRCLE BIOCHAR INC5 patents · 280 citations
- 871UNION OIL CO9 patents · 144 citations
- 967SALLAY STEPHEN I5 patents · 95 citations
- 1063MILLER JOHN C15 patents · 156 citations
- 1158PENNZOIL CO10 patents · 114 citations
- 1254WORLD SOURCE ENTPR LLC6 patents · 49 citations
- 1350CWT LLC AB3 patents · 143 citations
- 1446MOSAIC CO18 patents · 63 citations
- 1542CARBON TECH HOLDINGS LLC7 patents · 45 citations
- 1638YAMASHITA THOMAS T5 patents · 29 citations
- 1733KOCH AGRONOMIC SERVICES LLC6 patents · 50 citations
- 1829VARADACHARI CHANDRIKA5 patents · 41 citations
- 1925NOVOZYMES BIOAG AS6 patents · 45 citations
- 2021FOLIAR NUTRIENTS INC3 patents · 104 citations
- 2117SIMPLOT CO J R4 patents · 62 citations
- 2213MICROBES INC3 patents · 61 citations
- 238RHODIA OPERATIONS10 patents · 22 citations
- 244NOVOZYMES BIOLOGICALS LTD5 patents · 12 citations
- 251INT STANDARD ELECTRIC CORP3 patents · 98 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth