C02F 11/147
Using organic substances
Official title: using organic substances (C02F11/148 takes precedence)
C02F11/147 (Using organic substances) appears on 306 US grants and 374 published applications in this corpus.
Search patents in C02F- Granted patents
- 306
- Published applications
- 374
- Assignees
- 246
- Inventors
- 876
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 1 |
| 2003 | 6 | 13 |
| 2004 | 6 | 7 |
| 2005 | 8 | 11 |
| 2006 | 7 | 9 |
| 2007 | 4 | 9 |
| 2008 | 3 | 8 |
| 2009 | 13 | 15 |
| 2010 | 14 | 16 |
| 2011 | 6 | 8 |
| 2012 | 7 | 14 |
| 2013 | 3 | 7 |
| 2014 | 4 | 13 |
| 2015 | 5 | 21 |
| 2016 | 9 | 19 |
| 2017 | 14 | 20 |
| 2018 | 18 | 30 |
| 2019 | 13 | 25 |
| 2020 | 27 | 25 |
| 2021 | 18 | 22 |
| 2022 | 20 | 21 |
| 2023 | 11 | 14 |
| 2024 | 12 | 23 |
| 2025 | 16 | 14 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream8 Sep 2026US 12,729,146 B2Moleaer, Inc.
- Method and system for fine particulate removal and processing from a coal combustion residual surface impoundment2 Jun 2026US 12,643,804 B2United Conveyor Corporation
- Methods and compositions for processing sulfide ores21 Apr 2026US 12,605,719 B2Ecolab USA Inc.
- Drying composition to facilitate the transportation of salty sludge17 Mar 2026US 12,577,139 B2Aprotek
- Method of dewatering11 Nov 2025US 12,466,752 B2Synata Bio, Inc.
- Coagulant compositions and methods of use6 Aug 2026US 2026/0225932 A1Locus Solutions Ipco, LLC
- Optimization method and device based on integration of flocculation, vacuum and solidified sludge11 Jun 2026US 2026/0159420 A1Huzhou Vocational & Technical College
- System and method of using nanobubbles in a dewatering process for a liquid-solid stream28 May 2026US 2026/0145977 A1Moleaer, Inc.
- Method for liquid-solid separation2 Apr 2026US 2026/0091996 A1Kemira Oyj
- Slurry treatment apparatus12 Mar 2026US 2026/0070830 A1Vietti Slurrytec (Pty) Ltd
Most cited
By later US patents
- Continuous process for the reclamation of waste drilling fluids141US 4,482,459 ANewpark Waste Treatment Systems Inc. · 1984
- Methods of treating subterranean zones penetrated by well bores79US 6,767,867 B2Halliburton Energy Services.Inc. · 2004
- Apparatus for treating effluents71US 5,145,256 AEnvironmental Equipment Corporation · 1992
- Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials53US 4,655,932 A1987
- Sludge treatment system41US 5,428,906 APCL Environmental Inc. · 1995