C05
Fertilisers
Official title: Fertilisers; manufacture thereof
C05 (Fertilisers) appears on 6,474 US grants and 6,740 published applications in this corpus.
Search patents in C05- Granted patents
- 6,474
- Published applications
- 6,740
- Assignees
- 3,675
- Inventors
- 13,576
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 104 | 0 |
| 1977 | 105 | 0 |
| 1978 | 87 | 0 |
| 1979 | 79 | 0 |
| 1980 | 89 | 0 |
| 1981 | 85 | 0 |
| 1982 | 78 | 0 |
| 1983 | 72 | 0 |
| 1984 | 66 | 0 |
| 1985 | 93 | 0 |
| 1986 | 62 | 0 |
| 1987 | 56 | 0 |
| 1988 | 53 | 0 |
| 1989 | 69 | 0 |
| 1990 | 60 | 0 |
| 1991 | 88 | 0 |
| 1992 | 106 | 0 |
| 1993 | 103 | 0 |
| 1994 | 100 | 0 |
| 1995 | 138 | 0 |
| 1996 | 123 | 0 |
| 1997 | 138 | 0 |
| 1998 | 141 | 0 |
| 1999 | 121 | 0 |
| 2000 | 93 | 0 |
| 2001 | 134 | 21 |
| 2002 | 154 | 137 |
| 2003 | 117 | 171 |
| 2004 | 86 | 170 |
| 2005 | 73 | 155 |
| 2006 | 65 | 161 |
| 2007 | 54 | 144 |
| 2008 | 55 | 186 |
| 2009 | 68 | 163 |
| 2010 | 114 | 197 |
| 2011 | 121 | 203 |
| 2012 | 136 | 221 |
| 2013 | 148 | 228 |
| 2014 | 165 | 306 |
| 2015 | 213 | 322 |
| 2016 | 221 | 355 |
| 2017 | 176 | 352 |
| 2018 | 224 | 350 |
| 2019 | 264 | 355 |
| 2020 | 279 | 392 |
| 2021 | 249 | 402 |
| 2022 | 214 | 393 |
| 2023 | 208 | 373 |
| 2024 | 227 | 411 |
| 2025 | 238 | 337 |
| 2026 | 162 | 235 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
Recent patents
- Nitrogen fertilizer compositions based on polyphosphate caged structure6 Oct 2026US 12,753,128 B2Agtec Innovations, Inc.
- Method for producing a soil conditioning agent6 Oct 2026US 12,753,129 B2CCm Technologies Limited
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- Herbicide compositions and methods for formulating and using the same22 Sep 2026US 12,740,562 B2
- System and method for the control of biomass conversion systems22 Sep 2026US 12,741,262 B2Takachar Limited
- Method for reducing nitrogen and phosphorus emission in strawberry cultivation to mitigate continuous cropping obstacles in greenhouse8 Oct 2026US 2026/0305524 A1Shandong Academy of Agricultural Sciences
- Mineral phosphate ash based fertilizer containing magnesium, produced from sewage sludge ash, and process for the production thereof8 Oct 2026US 2026/0308076 A1
- Compositions and Methods for Agri-Inputs and Uses Thereof8 Oct 2026US 2026/0308077 A1Tidal Vision Products
- Oxidized cellulosic materials and method of manufacturing same8 Oct 2026US 2026/0308078 A1The Research Foundation for The State University of New York
- Natural organic reduction system8 Oct 2026US 2026/0308079 A1Earth Funeral Group, Inc.
Most cited
By later US patents
- Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system1,012US 5,056,109 AQUALCOMM Incorporated · 1991
- Use of automotive diagnostics console to diagnose vehicle225US 7,376,497 B2Innova Electronics Corporation · 2008
- Viscoelastic surfactant fluids and related methods of use217US 6,258,859 B1Rhodia Inc. · 2001
- Thermoplastic Elastomers175US 5,665,822 ALandec Corporation · 1997
- Viscoelastic surfactant fluids and related methods of use173US 6,703,352 B2Schlumberger Technology Corporation · 2004