Y02W 30/40
Bio-organic fraction processing
Official title: Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Y02W30/40 (Bio-organic fraction processing) appears on 1,684 US grants and 1,732 published applications in this corpus.
Search patents in Y02W- Granted patents
- 1,684
- Published applications
- 1,732
- Assignees
- 1,178
- Inventors
- 3,653
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 17 | 0 |
| 1980 | 27 | 0 |
| 1981 | 15 | 0 |
| 1982 | 11 | 0 |
| 1983 | 19 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 12 | 0 |
| 1991 | 17 | 0 |
| 1992 | 28 | 0 |
| 1993 | 37 | 0 |
| 1994 | 29 | 0 |
| 1995 | 41 | 0 |
| 1996 | 45 | 0 |
| 1997 | 52 | 0 |
| 1998 | 47 | 0 |
| 1999 | 37 | 0 |
| 2000 | 37 | 0 |
| 2001 | 37 | 10 |
| 2002 | 52 | 44 |
| 2003 | 47 | 51 |
| 2004 | 28 | 58 |
| 2005 | 20 | 55 |
| 2006 | 31 | 51 |
| 2007 | 20 | 41 |
| 2008 | 25 | 60 |
| 2009 | 25 | 46 |
| 2010 | 39 | 83 |
| 2011 | 35 | 66 |
| 2012 | 39 | 66 |
| 2013 | 42 | 73 |
| 2014 | 57 | 84 |
| 2015 | 41 | 80 |
| 2016 | 66 | 86 |
| 2017 | 50 | 95 |
| 2018 | 51 | 86 |
| 2019 | 71 | 82 |
| 2020 | 64 | 86 |
| 2021 | 53 | 90 |
| 2022 | 43 | 71 |
| 2023 | 51 | 102 |
| 2024 | 45 | 77 |
| 2025 | 64 | 64 |
| 2026 | 16 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Freeze concentration for urine-based fertilizer production29 Sep 2026US 12,747,194 B2The Regents of the University of Michigan
- System and method for improved anaerobic digestion18 Aug 2026US 12,709,563 B2Topstone Ventures, LLC
- Food waste disposer11 Aug 2026US 12,702,986 B2Samsung Electronics Co., Ltd.
- Ecological release of elements and degradation of organics using heterotrophic microorganisms out of multiple carrier materials9 Jun 2026US 12,649,700 B2
- Pasture treatments for enhanced carbon sequestration and reduction in livestock-produced greenhouse gas emissions2 Jun 2026US 12,642,284 B2Locus Solutions Ipco, LLC
- Directional humification microfactory for agricultural waste composting and use thereof27 Aug 2026US 2026/0250215 A1Tianjin Normal University
- Biological degradation of low-rank coals6 Aug 2026US 2026/0226521 A1Tenfold Technologies, LLC
- Devices, systems, and methods for collecting leachate from a composting container30 Jul 2026US 2026/0217450 A1
- Methods for promoting plant health using free enzymes and microorganisms that overexpress enzymes30 Jul 2026US 2026/0217621 A1Spogen Biotech Inc.
- Methods for promoting plant health using free enzymes and microorganisms that overexpress enzymes30 Jul 2026US 2026/0217622 A1Spogen Biotech Inc.
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
- Degradable multilayer thermoplastic articles103US 5,108,807 AFirst Brands Corporation · 1992
- Fertilizer and method93US 4,743,287 A1988