C05C 11/00
Nitrogenous fertilisers: other nitrogenous fertilisers
Official title: Other nitrogenous fertilisers
C05C11/00 (Nitrogenous fertilisers: other nitrogenous fertilisers) appears on 296 US grants and 382 published applications in this corpus.
Search patents in C05C- Granted patents
- 296
- Published applications
- 382
- Assignees
- 222
- Inventors
- 733
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 4 |
| 2011 | 4 | 6 |
| 2012 | 2 | 6 |
| 2013 | 8 | 14 |
| 2014 | 10 | 20 |
| 2015 | 8 | 22 |
| 2016 | 19 | 25 |
| 2017 | 14 | 35 |
| 2018 | 20 | 32 |
| 2019 | 24 | 40 |
| 2020 | 24 | 27 |
| 2021 | 31 | 35 |
| 2022 | 15 | 18 |
| 2023 | 15 | 25 |
| 2024 | 20 | 20 |
| 2025 | 18 | 24 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Emulsion in water for preventing and treating yellow shoot of citrus fruit tree, preparation method and application method22 Sep 2026US 12,741,915 B2Zhuhai Runnong Science and Technology Co. Ltd
- Nutrient compositions26 May 2026US 12,635,624 B2OMS Investments, Inc.
- Processes and systems for producing ammonia products and/or calcium carbonate products12 May 2026US 12,623,978 B2M.A.R.G., LLC
- Nitrification inhibitors to improve fertilizer efficiency12 May 2026US 12,623,979 B2Soilgenic Technologies, LLC
- Compositions comprising renewable polyaspartic acid and related methods31 Mar 2026US 12,590,268 B1Lygos, Inc.
- Compositions and Methods for Agri-Inputs and Uses Thereof8 Oct 2026US 2026/0308077 A1Tidal Vision Products
- Use of a composition of trichoderma and lignin fraction as a booster of nitrogen fertilizers13 Aug 2026US 2026/0234076 A1Green Innovation GmbH
- Autonomous device for in-field conversion of biomass into biochar9 Jul 2026US 2026/0193148 A1Applied Carbon, Inc.
- Methods and compositions for improving plant traits9 Jul 2026US 2026/0193150 A1Pivot Bio, Inc.
- Use of a primer and a biofertilizer to enhance nitrogen fixation and/or root colonization4 Jun 2026US 2026/0152450 A1Kula Bio, Inc.
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Metal amino acid chelate77US 5,504,055 AJH Biotech, Inc. · 1996
- Biochar67US 8,747,797 B2Full Circle Biochar, Inc. · 2014
- Biochar compositions and methods of use thereof61US 9,725,371 B2Full Circle Biochar, Inc. · 2017
- Method and apparatus for home production and application of nitrogen fertilizer56US 4,010,897 ACharles F. Kettering Foundation · 1977