C05B 17/00
Phosphatic fertilisers: other phosphatic fertilisers
Official title: Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
C05B17/00 (Phosphatic fertilisers: other phosphatic fertilisers) appears on 493 US grants and 616 published applications in this corpus.
Search patents in C05B- Granted patents
- 493
- Published applications
- 616
- Assignees
- 372
- Inventors
- 1,115
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 2 |
| 2004 | 2 | 9 |
| 2005 | 0 | 5 |
| 2006 | 1 | 8 |
| 2007 | 1 | 3 |
| 2008 | 2 | 6 |
| 2009 | 4 | 7 |
| 2010 | 3 | 10 |
| 2011 | 5 | 20 |
| 2012 | 15 | 10 |
| 2013 | 23 | 27 |
| 2014 | 17 | 47 |
| 2015 | 32 | 50 |
| 2016 | 41 | 77 |
| 2017 | 30 | 70 |
| 2018 | 51 | 48 |
| 2019 | 53 | 48 |
| 2020 | 43 | 28 |
| 2021 | 23 | 26 |
| 2022 | 22 | 25 |
| 2023 | 11 | 24 |
| 2024 | 22 | 24 |
| 2025 | 16 | 23 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of increasing irrigation water and fertilizer delivery to soil using formic acid and formate salts, making a formate salt from carbon dioxide, and generating a carbon credit21 Jul 2026US 12,686,652 B2Deerpoint Group, Inc.
- Acidified fertilizer granules19 May 2026US 12,630,485 B2Sabic Agri-Nutrients Company
- Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar14 Apr 2026US 12,599,151 B2Talipot Cool Extract (IP), LLC
- Coherent dispersible granules and methods for forming coherent dispersible granules3 Mar 2026US 12,565,456 B2Phospholution Inc.
- Incorporation of biological agents in fertilizers17 Feb 2026US 12,552,726 B2The Mosaic Company
- 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
- Water insoluble polyphosphate fertilizers1 Oct 2026US 2026/0296985 A1
- Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar10 Sep 2026US 2026/0262683 A1Talipot Cool Extract (IP), LLC
- Granular Biocomposite Ecologic Fertiliser Based On Chicken Manure10 Sep 2026US 2026/0265158 A1Gradinaru Rares S.R.L.
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Biochar67US 8,747,797 B2Full Circle Biochar, Inc. · 2014
- Biochar compositions and methods of use thereof61US 9,725,371 B2Full Circle Biochar, Inc. · 2017
- Glass composition55US 4,407,786 AInternational Standard Electric Corporation · 1983
- High analysis liquid fertilizers51US 4,315,763 AStoller Enterprises, Inc. · 1982