C05F 17/40
Treatment of liquids or slurries
C05F17/40 (Treatment of liquids or slurries) appears on 235 US grants and 293 published applications in this corpus.
Search patents in C05F- Granted patents
- 235
- Published applications
- 293
- Assignees
- 190
- Inventors
- 574
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 6 |
| 2003 | 6 | 4 |
| 2004 | 4 | 11 |
| 2005 | 5 | 8 |
| 2006 | 5 | 9 |
| 2007 | 4 | 13 |
| 2008 | 7 | 7 |
| 2009 | 3 | 9 |
| 2010 | 12 | 17 |
| 2011 | 6 | 8 |
| 2012 | 7 | 15 |
| 2013 | 9 | 8 |
| 2014 | 6 | 12 |
| 2015 | 7 | 11 |
| 2016 | 10 | 10 |
| 2017 | 9 | 12 |
| 2018 | 6 | 4 |
| 2019 | 8 | 13 |
| 2020 | 6 | 14 |
| 2021 | 5 | 19 |
| 2022 | 14 | 22 |
| 2023 | 8 | 21 |
| 2024 | 10 | 21 |
| 2025 | 10 | 12 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for biological processing of hydrocarbon-containing substances and system for realization thereof28 Jul 2026US 12,692,444 B2CarbonadeUSA, Corp.
- Method for treating human or animal urine and uses of the transformed urine obtained in particular as fertiliser26 May 2026US 12,637,372 B2Toopi Organics
- Processes and systems for producing ammonia products and/or calcium carbonate products12 May 2026US 12,623,978 B2M.A.R.G., LLC
- Natural organic nano-fertilizers and their process of production24 Feb 2026US 12,559,439 B2
- Water and energy recovery system17 Feb 2026US 12,552,695 B2LIXIL Corporation
- Shelf stable organic fertilizer and related method of manufacture13 Aug 2026US 2026/0234077 A1
- Method for achieving a nutrient saline solution for plants in cultivated fields11 Jun 2026US 2026/0159455 A1
- Water and Energy Recovery System28 May 2026US 2026/0145976 A1LIXIL Corporation
- Process for capturing carbon dioxide using bio-digester slurry leading to manure quality improvement7 May 2026US 2026/0124572 A1Indian Oil Corporation Limited
- Soil enhancing compositions based on crustacean by-products and process for obtaining said compositions5 Mar 2026US 2026/0062360 A1
Most cited
By later US patents
- Anaerobic digester system158US 6,299,774 B12001
- Process to stabilize bioorganic, raw or treated wastewater sludge89US 5,417,861 AN-Viro International Corporation · 1995
- Wastewater energy recycling method81US 4,159,944 A1979
- High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material79US 4,162,153 AAir Products and Chemicals, Inc. · 1979
- Process to stabilize wastewater sludge75US 5,275,733 AN-Viro Energy Systems Ltd. · 1994