C05F 9/04
Biological compost
C05F9/04 (Biological compost) appears on 119 US grants and 164 published applications in this corpus.
Search patents in C05F- Granted patents
- 119
- Published applications
- 164
- Assignees
- 106
- Inventors
- 322
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 4 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 5 |
| 2013 | 9 | 7 |
| 2014 | 3 | 8 |
| 2015 | 3 | 7 |
| 2016 | 7 | 14 |
| 2017 | 6 | 14 |
| 2018 | 6 | 9 |
| 2019 | 6 | 7 |
| 2020 | 8 | 7 |
| 2021 | 6 | 10 |
| 2022 | 5 | 7 |
| 2023 | 7 | 14 |
| 2024 | 9 | 14 |
| 2025 | 5 | 12 |
| 2026 | 2 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, system and method for automated food waste processing1 Sep 2026US 12,723,008 B2Ecotone Renewables PBC
- Apparatus, system and method for automated food waste processing19 May 2026US 12,630,482 B2Ecotone Renewables PBC
- Compositions for increasing nitrogen sources life span in plant growth mediums and methods of making7 Oct 2025US 12,435,011 B2Soilgenic Technologies, LLC
- Biodegradable composite and product containing biodegradable composite23 Sep 2025US 12,420,319 B2
- Soil composition including biochar, compost, and bark fines29 Jul 2025US 12,371,391 B2Rosy Soil PBC
- 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 fertiliser composition based on a biotised, sewage sludge pyrolysis product20 Aug 2026US 2026/0242304 A1Groown S.R.O.
- Shelf stable organic fertilizer and related method of manufacture13 Aug 2026US 2026/0234077 A1
- Fermented material comprising stalk particles of monocotyledonous flowering plants, and its production method9 Jul 2026US 2026/0193598 A1Cormo AG
- Method for processing organic waste4 Jun 2026US 2026/0152451 A1Mars, Incorporated
Most cited
By later US patents
- Hybrid bio-thermal gasification71US 4,289,625 AInstitute of Gas Technology · 1981
- Disposable fermenter and fermentation method55US 5,565,015 A1996
- Method for reducing the carbon footprint of a conversion process51US 9,260,666 B2Cool Planet Energy Systems, Inc. · 2016
- Method for producing negative carbon fuel49US 8,430,937 B2Cool Planet Biofuels, Inc. · 2013
- Method for producing negative carbon fuel48US 8,568,493 B2Cool Planet Energy Systems, Inc. · 2013