C05F 3/00
Fertilisers from human or animal excrements
Official title: Fertilisers from human or animal excrements, e.g. manure
C05F3/00 (Fertilisers from human or animal excrements) appears on 585 US grants and 643 published applications in this corpus.
Search patents in C05F- Granted patents
- 585
- Published applications
- 643
- Assignees
- 464
- Inventors
- 1,360
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 2 |
| 2002 | 21 | 19 |
| 2003 | 13 | 24 |
| 2004 | 14 | 23 |
| 2005 | 10 | 20 |
| 2006 | 14 | 23 |
| 2007 | 7 | 17 |
| 2008 | 7 | 20 |
| 2009 | 8 | 17 |
| 2010 | 12 | 22 |
| 2011 | 14 | 17 |
| 2012 | 12 | 15 |
| 2013 | 12 | 14 |
| 2014 | 12 | 22 |
| 2015 | 13 | 25 |
| 2016 | 20 | 31 |
| 2017 | 17 | 18 |
| 2018 | 12 | 30 |
| 2019 | 21 | 39 |
| 2020 | 37 | 43 |
| 2021 | 21 | 34 |
| 2022 | 12 | 30 |
| 2023 | 27 | 43 |
| 2024 | 30 | 39 |
| 2025 | 27 | 35 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- Method for rapidly increasing organic matter in saline-alkali land by combining planting and breeding15 Sep 2026US 12,733,569 B1National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land
- Mitigation of ammonia, odor and greenhouse gases11 Aug 2026US 12,702,135 B2Aarhus Universitet
- Delivery of bioactive molecules in protective coatings of surface layers of organically enhanced inorganic fertilizers30 Jun 2026US 12,668,554 B2Profile Products L.L.C.
- System for producing agglomerated organic microbial fertilizer9 Jun 2026US 12,649,698 B2Earth Medicine LLC.
- 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
- Compositions and Methods for Coating of Nitrification Inhibitors with a Solution Containing a High Concentration of Urease Inhibitors and For Improved Retention of the Nitrogen Content of Soil Through the Administration of Liquid Delivery Formulations of (Aminomethylene)Phosphinic Acids and/or their Salts1 Oct 2026US 2026/0296987 A1Soilgenic Technologies, LLC
- A composition of polyhalite and manure and uses thereof27 Aug 2026US 2026/0250212 A1
- Shelf stable organic fertilizer and related method of manufacture13 Aug 2026US 2026/0234077 A1
- A Carbon-Fixing and Nitrogen-Retaining Bio-Organic Fertilizer and Its Preparation Method23 Jul 2026US 2026/0209137 A1Institute of Environment and Sustainable Development in Agriculture, CAAS
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Fertilizer and method93US 4,743,287 A1988
- Microbial culture liquors containing microorganisms differing in characteristics and living in symbiosis and metabolites thereof, carriers and adsorbents containing the active components of the culture liquors and utilization of the same88US 6,649,397 B1Orient Green Co., Ltd. · 2003
- Animal waste odor treatment85US 3,966,450 AFMC Corporation · 1976
- Pathogenic waste treatment81US 5,422,015 AHondo Chemical, Inc. · 1995