C05F 17/00
Preparation of fertilisers characterised by biological or biochemical treatment steps
Official title: Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
C05F17/00 (Preparation of fertilisers characterised by biological or biochemical treatment steps) appears on 1,285 US grants and 1,362 published applications in this corpus.
Search patents in C05F- Granted patents
- 1,285
- Published applications
- 1,362
- Assignees
- 926
- Inventors
- 2,963
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 14 | 0 |
| 1980 | 21 | 0 |
| 1981 | 11 | 0 |
| 1982 | 10 | 0 |
| 1983 | 16 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 12 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 24 | 0 |
| 1993 | 31 | 0 |
| 1994 | 21 | 0 |
| 1995 | 32 | 0 |
| 1996 | 39 | 0 |
| 1997 | 40 | 0 |
| 1998 | 42 | 0 |
| 1999 | 27 | 0 |
| 2000 | 27 | 0 |
| 2001 | 31 | 7 |
| 2002 | 41 | 34 |
| 2003 | 35 | 36 |
| 2004 | 21 | 46 |
| 2005 | 16 | 40 |
| 2006 | 25 | 35 |
| 2007 | 14 | 32 |
| 2008 | 17 | 48 |
| 2009 | 18 | 35 |
| 2010 | 29 | 55 |
| 2011 | 26 | 44 |
| 2012 | 25 | 50 |
| 2013 | 30 | 54 |
| 2014 | 37 | 59 |
| 2015 | 31 | 57 |
| 2016 | 45 | 54 |
| 2017 | 30 | 65 |
| 2018 | 33 | 53 |
| 2019 | 51 | 65 |
| 2020 | 48 | 70 |
| 2021 | 42 | 67 |
| 2022 | 43 | 63 |
| 2023 | 37 | 76 |
| 2024 | 39 | 90 |
| 2025 | 47 | 77 |
| 2026 | 24 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C05F 17/90Apparatus therefor750
- C05F 17/40Treatment of liquids or slurries235
- C05F 17/50Treatments combining two or more different biological or biochemical treatments195
- C05F 17/20Preparation of fertilisers characterised by biological or biochemical treatment steps: using specific181
- C05F 17/10Addition or removal of substances other than water or air to or161
- C05F 17/60Heating or cooling during the treatment100
- C05F 17/80Separation, elimination or disposal of harmful substances during the treatment92
- C05F 17/05Treatments involving invertebrates85
Recent patents
- Systems, methods, and apparatus for converting a biosolid to an enhanced cylindrical class A fertilizer8 Sep 2026US 12,729,167 B2Mb-Holding GmbH & Co. KG
- Apparatus, system and method for automated food waste processing1 Sep 2026US 12,723,008 B2Ecotone Renewables PBC
- System and method for improved anaerobic digestion18 Aug 2026US 12,709,563 B2Topstone Ventures, LLC
- Identification of soil bacteria-enriching agents and methods of use thereof18 Aug 2026US 12,709,585 B2California Institute of Technology
- Apparatus for organic waste treatment11 Aug 2026US 12,702,984 B2
- Natural organic reduction system8 Oct 2026US 2026/0308079 A1Earth Funeral Group, Inc.
- Algae fertilizer composition and method of using the same24 Sep 2026US 2026/0285777 A1Aarksee Holding Co W.L.L
- A Device And A Method For Composting Using Larvae24 Sep 2026US 2026/0285778 A1Samabio OY
- A Compact Composter Assembly24 Sep 2026US 2026/0285779 A1
- Cultivating method for promoting productivity of crop27 Aug 2026US 2026/0250214 A1
Most cited
By later US patents
- Use of automotive diagnostics console to diagnose vehicle225US 7,376,497 B2Innova Electronics Corporation · 2008
- Anaerobic digester system158US 6,299,774 B12001
- Container for compost decomposition113US 3,951,294 A1976
- Process to stabilize bioorganic, raw or treated wastewater sludge89US 5,417,861 AN-Viro International Corporation · 1995
- 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