C02F 2103/18
From the purification of gaseous effluents
Official title: from the purification of gaseous effluents
C02F2103/18 (From the purification of gaseous effluents) appears on 465 US grants and 563 published applications in this corpus.
Search patents in C02F- Granted patents
- 465
- Published applications
- 563
- Assignees
- 365
- Inventors
- 1,278
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 9 | 7 |
| 2003 | 11 | 11 |
| 2004 | 3 | 13 |
| 2005 | 2 | 8 |
| 2006 | 9 | 8 |
| 2007 | 11 | 12 |
| 2008 | 6 | 15 |
| 2009 | 6 | 11 |
| 2010 | 11 | 10 |
| 2011 | 10 | 30 |
| 2012 | 17 | 21 |
| 2013 | 13 | 32 |
| 2014 | 18 | 24 |
| 2015 | 14 | 23 |
| 2016 | 16 | 37 |
| 2017 | 24 | 34 |
| 2018 | 24 | 46 |
| 2019 | 30 | 33 |
| 2020 | 39 | 31 |
| 2021 | 35 | 45 |
| 2022 | 30 | 20 |
| 2023 | 16 | 32 |
| 2024 | 15 | 27 |
| 2025 | 18 | 21 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Fluids, solids and heavy component removal from reclaimer process liquid streams18 Aug 2026US 12,708,872 B2Axens
- Method and system for fine particulate removal and processing from a coal combustion residual surface impoundment2 Jun 2026US 12,643,804 B2United Conveyor Corporation
- Method for preparing cuprous chloride by high-value utilization of chloride ion-containing wasterwater7 Apr 2026US 12,595,186 B2Jiangsu University of Technology
- System for preventing scaling, removing hydrogen peroxide residues and recycling water in a septic filling systems of laminated carton containers24 Mar 2026US 12,582,734 B2
- Method and System for Fine Particulate Removal and Processing from a Coal Combustion Residual Surface Impoundment24 Sep 2026US 2026/0285729 A1United Conveyor Corporation
- Method and system for cleaning polluted marine exhaust gas cleaning liquid20 Aug 2026US 2026/0242265 A1Alfa Laval Corporate AB
- System and method for process water and oxide coating recovery and distribution21 May 2026US 2026/0138904 A1Midrex Technologies, Inc.
- Comprehensive treatment system and treatment process for organic wastewater and tail gas of contaminated sites5 Mar 2026US 2026/0062332 A1Nanjing University
- Method and system for treating sulfur dioxide containing stream by catalytic oxidation and acid aqueous absorption12 Feb 2026US 2026/0042058 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Flue gas control system of coal combustion boiler and operating method thereof122US 8,071,060 B2Mitsubishi Heavy Industries, Ltd. · 2011
- Integrated water treatment and flue gas desulfurization process61US 7,037,434 B2ExxonMobil Upstream Research Company · 2006
- Desalination and concomitant carbon dioxide capture yielding liquid carbon dioxide55US 6,475,460 B1Marine Desalination Systems, L.L.C. · 2002
- UV photochemical option for closed cycle decomposition of hydrogen sulfide36US 7,220,391 B1University of Central Florida Research Foundation, Inc. · 2007
- Method and apparatus for pretreatment of wastewater streams by chemical oxidation33US 6,576,144 B1MPR Services, Inc. · 2003