Y02W 10/20
Sludge processing
Y02W10/20 (Sludge processing) appears on 252 US grants and 308 published applications in this corpus.
Search patents in Y02W- Granted patents
- 252
- Published applications
- 308
- Assignees
- 211
- Inventors
- 610
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 5 |
| 2003 | 4 | 6 |
| 2004 | 8 | 9 |
| 2005 | 6 | 9 |
| 2006 | 6 | 10 |
| 2007 | 10 | 8 |
| 2008 | 8 | 21 |
| 2009 | 11 | 16 |
| 2010 | 11 | 20 |
| 2011 | 15 | 17 |
| 2012 | 8 | 16 |
| 2013 | 10 | 14 |
| 2014 | 6 | 12 |
| 2015 | 13 | 11 |
| 2016 | 5 | 31 |
| 2017 | 16 | 12 |
| 2018 | 9 | 10 |
| 2019 | 10 | 12 |
| 2020 | 11 | 10 |
| 2021 | 9 | 24 |
| 2022 | 15 | 12 |
| 2023 | 10 | 11 |
| 2024 | 8 | 6 |
| 2025 | 8 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wastewater treatment systems and methods21 Apr 2026US 12,606,473 B2Arizona Board of Regents on behalf of Arizona State University
- Process and system for producing biofuels with reduced carbon intensity3 Mar 2026US 12,565,632 B2Iogen Corporation
- Method for treating waters, sediments and/or sludges24 Feb 2026US 12,559,400 B2OASE GmbH
- System and method for multi-functional slurry processing11 Nov 2025US 12,467,687 B2Sedron Technologies, LLC
- Waste treatment system and waste treatment method4 Nov 2025US 12,459,018 B2Mitsubishi Heavy Industries, Ltd.
- Apparatus for disposing of organic or sewage sludge waste12 Feb 2026US 2026/0042059 A1
- System and method for multi-functional slurry processing12 Feb 2026US 2026/0043609 A1Sedron Technologies, LLC
- Method for treating high-concentration fermentation by-products generated in amino acid fermentation process17 Jul 2025US 2025/0230082 A1Cj Cheiljedang Corporation
- Methods for biological processing of hydrocarbon-containing substances and system for ealization thereof12 Jun 2025US 2025/0188359 A1McFinney, LLC
- System and method for multi-functional slurry processing12 Dec 2024US 2024/0409441 A1Sedron Technologies, LLC
Most cited
By later US patents
- Anaerobic digester system158US 6,299,774 B12001
- Continuous counter-current organosolv processing of lignocellulosic feedstocks95US 7,465,791 B1Lignol Innovations Ltd. · 2008
- Organic slurry treatment process70US 6,692,642 B2International Waste Management Systems · 2004
- Integrated anaerobic digester system68US 6,569,332 B22003
- Process for separate treatment and disposal of mixtures of solid and liquid, organic wastes66US 5,593,590 ATechnoagrar Consulting AG · 1997