C05D 9/00
Inorganic fertilisers not covered by subclasses c05b, c05c: other inorganic fertilisers
Official title: Other inorganic fertilisers
C05D9/00 (Inorganic fertilisers not covered by subclasses c05b, c05c: other inorganic fertilisers) appears on 1,038 US grants and 1,351 published applications in this corpus.
Search patents in C05D- Granted patents
- 1,038
- Published applications
- 1,351
- Assignees
- 794
- Inventors
- 2,535
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 6 | 0 |
| 2001 | 18 | 3 |
| 2002 | 13 | 26 |
| 2003 | 20 | 23 |
| 2004 | 8 | 22 |
| 2005 | 11 | 21 |
| 2006 | 3 | 22 |
| 2007 | 8 | 22 |
| 2008 | 11 | 35 |
| 2009 | 9 | 22 |
| 2010 | 10 | 30 |
| 2011 | 22 | 33 |
| 2012 | 23 | 44 |
| 2013 | 21 | 39 |
| 2014 | 32 | 63 |
| 2015 | 47 | 70 |
| 2016 | 44 | 83 |
| 2017 | 43 | 88 |
| 2018 | 64 | 73 |
| 2019 | 70 | 69 |
| 2020 | 71 | 91 |
| 2021 | 60 | 94 |
| 2022 | 44 | 98 |
| 2023 | 36 | 78 |
| 2024 | 55 | 79 |
| 2025 | 52 | 59 |
| 2026 | 40 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nitrogen fertilizer compositions based on polyphosphate caged structure6 Oct 2026US 12,753,128 B2Agtec Innovations, Inc.
- System and method for the control of biomass conversion systems22 Sep 2026US 12,741,262 B2Takachar Limited
- Method for producing sulphur-containing potash granules18 Aug 2026US 12,709,546 B2K+S Aktiengesellschaft
- Fertilising and/or soil conditioning composition intended for culture substrates and/or culture solutions18 Aug 2026US 12,709,584 B2Agro Innovation International
- 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.
- 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
- Increasing carbon storage capacity and pollutant remediation in soils using applied hydrogel methods1 Oct 2026US 2026/0296986 A1University of Washington
- Marine glass fertilizer composition based on converter slag1 Oct 2026US 2026/0296988 A1LG Electronics Inc.
- Iodophor formulation and method of making and using thereof24 Sep 2026US 2026/0283157 A1
- Stable micronutrient complex for use in agricultural applications24 Sep 2026US 2026/0285776 A1WinField Solutions, LLC
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Water absorbing hydrogels and methods of making and use thereof94US 7,342,058 B2Geohumus International GmbH & Co. KG · 2008
- Process to stabilize bioorganic, raw or treated wastewater sludge89US 5,417,861 AN-Viro International Corporation · 1995
- Disposable absorbent articles containing particulate, free-flowing, insoluble swellable polymers87US 4,058,124 AUnion Carbide Corporation · 1977
- Water absorbing hydrogels and methods of making and use thereof76US 7,652,080 B2Geohumus International Verwaltungs GmbH & Co. KG · 2010