C02F 2101/322
Volatile compounds
Official title: {Volatile compounds, e.g. benzene}
C02F2101/322 (Volatile compounds) appears on 417 US grants and 556 published applications in this corpus.
Search patents in C02F- Granted patents
- 417
- Published applications
- 556
- Assignees
- 361
- Inventors
- 1,154
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 2 |
| 2002 | 13 | 7 |
| 2003 | 7 | 19 |
| 2004 | 7 | 8 |
| 2005 | 4 | 17 |
| 2006 | 12 | 9 |
| 2007 | 9 | 14 |
| 2008 | 5 | 19 |
| 2009 | 9 | 15 |
| 2010 | 11 | 17 |
| 2011 | 9 | 14 |
| 2012 | 8 | 15 |
| 2013 | 10 | 22 |
| 2014 | 12 | 30 |
| 2015 | 13 | 25 |
| 2016 | 21 | 31 |
| 2017 | 25 | 30 |
| 2018 | 32 | 33 |
| 2019 | 22 | 34 |
| 2020 | 36 | 32 |
| 2021 | 25 | 32 |
| 2022 | 18 | 32 |
| 2023 | 16 | 29 |
| 2024 | 23 | 27 |
| 2025 | 20 | 23 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wastewater processing system and apparatus8 Sep 2026US 12,729,138 B2Skagen Energy Services Inc.
- Fluids, solids and heavy component removal from reclaimer process liquid streams18 Aug 2026US 12,708,872 B2Axens
- System and method for removal of volatile hydrocarbons from a water stream4 Aug 2026US 12,698,219 B2ChartWater, LLC
- Carbonaceous material and method for producing same, and fluorine-containing organic compound removing material, water purification filter, and water purifier14 Jul 2026US 12,678,766 B2Kuraray Co., Ltd.
- System for co-generation of hydroelectric power and purified water, configured for the removal of microplastic particulates, volatile organic compounds (VOCs), heavy metals, and organic waste, for municipalities and the like23 Jun 2026US 12,662,404 B1Remedion LLC
- Integrated Method and Apparatus for Treatment of Produced Water24 Sep 2026US 2026/0285725 A1Tetra Technologies, Inc.
- Integrated Method and Apparatus for Treatment of Produced Water24 Sep 2026US 2026/0285726 A1Tetra Technologies, Inc.
- Water purification system20 Aug 2026US 2026/0242267 A1ZRO Waste Water, Inc.
- Carbon nanomaterial-based water purification system13 Aug 2026US 2026/0234031 A1King Fahd University of Petroleum and Minerals
- Improved method and system for treatment of pfas contaminated wastewater and water utilizing gas nanobubbles30 Jul 2026US 2026/0217568 A1StreanGo Water Solutions, Inc.
Most cited
By later US patents
- Diffuser/emulsifier124US 6,386,751 B1Diffusion Dynamics, Inc. · 2002
- Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant86US 5,779,912 ALynntech, Inc. · 1998
- Method and system to remotely monitor groundwater treatment79US 6,491,828 B1General Electric Company · 2002
- Electrolytic water purification process78US 5,531,865 A1996
- Process for removal of impurities from an oxidizer purge stream58US 7,291,270 B2Eastman Chemical Company · 2007