C02F 2209/225
In the gas phase
Official title: in the gas phase
C02F2209/225 (In the gas phase) appears on 57 US grants and 74 published applications in this corpus.
Search patents in C02F- Granted patents
- 57
- Published applications
- 74
- Assignees
- 70
- Inventors
- 212
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 3 | 6 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 6 |
| 2021 | 1 | 2 |
| 2022 | 4 | 4 |
| 2023 | 3 | 10 |
| 2024 | 3 | 8 |
| 2025 | 7 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for wastewater treatment control through microorganism settling optimization6 Oct 2026US 12,753,099 B1
- Applying chemical oxygen demand and heating value diagnostics to enhance performance of a SCWO process5 May 2026US 12,617,705 B2374Water Inc.
- Process water distillation plant and method for operating a process water distillation plant28 Apr 2026US 12,611,614 B2KMU LOFT Cleanwater SE
- Process water distillation plant and method for operating a process water distillation plant21 Apr 2026US 12,605,647 B2KMU LOFT Cleanwater SE
- Process for water treatment using immersed gas transfer membranes17 Mar 2026US 12,577,137 B2Bl Technologies, Inc.
- Applying chemical oxygen demand and heating value diagnostics to enhance performance of a scwo process16 Jul 2026US 2026/0200782 A1374Water Inc.
- Floating apparatus for membrane biofilm reactor and process for water treatment25 Jun 2026US 2026/0176180 A1Bl Technologies, Inc.
- Saturated water generation device26 Mar 2026US 2026/0084992 A1Bubbletank Co., Ltd.
- Actively cooled screw feeder for gasification reactors19 Mar 2026US 2026/0078311 A1Aries Clean Technologies LLC
- Method for enhancing self-enrichment of anammox bacteria by symbiotic metabolism of nitrate-dependent denitrifying bacteria18 Dec 2025US 2025/0382209 A1Beijing University of Technology
Most cited
By later US patents
- Method and system of generating heat by biological decomposition of organic refuse53US 4,493,770 AUTB Umwelttechnik Buchs AG · 1985
- Process to improve the efficiency of a membrane filter activated sludge system51US 7,510,655 B2Siemens Water Technologies Corp. · 2009
- Biochemically enchanced thermophilic treatment process38US 6,036,862 A2000
- Biochemically enhanced thermophlic treatment process28US 6,660,164 B12003
- Method of controlling waste water purification plants using quality evaluation of measuring data20US 5,547,578 AI. Kruger Systems A/S · 1996