C02F 2209/26
H2s
C02F2209/26 (H2s) appears on 58 US grants and 73 published applications in this corpus.
Search patents in C02F- Granted patents
- 58
- Published applications
- 73
- Assignees
- 38
- Inventors
- 104
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 4 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 3 |
| 2016 | 4 | 5 |
| 2017 | 6 | 7 |
| 2018 | 3 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 4 |
| 2021 | 2 | 7 |
| 2022 | 10 | 5 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 3 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Prevention of silica fouling in geothermal brine3 Mar 2026US 12,565,434 B2International Battery Metals, Ltd.
- Autonomous chemical dosing system and methods of use thereof20 Jan 2026US 12,528,714 B2Evoqua Water Technologies LLC
- Utilization of biogas scrubber in anaerobic membrane bioreactor systems18 Nov 2025US 12,472,465 B2Evoqua Water Technologies Canada Ltd.
- Method for wastewater treatment22 Jul 2025US 12,365,614 B2Inland Environmental Resources, Inc.
- Systems and methods for managing filtration media beds in gas and liquid filtration apparatus27 May 2025US 12,312,548 B2Pure Air Filtration, LLC
- Prevention of silica fouling in geothermal brine9 Jul 2026US 2026/0193115 A1International Battery Metals, Ltd.
- Compositions and method for wastewater treatment30 Apr 2026US 2026/0116784 A1Inland Environmental Resources, Inc.
- Autonomous chemical dosing system and methods of use thereof16 Apr 2026US 2026/0103401 A1Evoqua Water Technologies LLC
- Method for wastewater treatment19 Feb 2026US 2026/0049018 A1Inland Environmental Resources, Inc.
- Prevention of silica fouling in geothermal brine6 Nov 2025US 2025/0340465 A1International Battery Metals, Ltd.
Most cited
By later US patents
- Biochemically enchanced thermophilic treatment process38US 6,036,862 A2000
- Biochemically enhanced thermophlic treatment process28US 6,660,164 B12003
- Dissimilatory sulfate reduction as a process to promote denitrification in marine recirculating aquaculture systems21US 7,462,284 B2University of Maryland Biotechnology Institute · 2008
- Method and system for removing hydrogen sulfide from sour oil and sour water21US 9,028,679 B2Anschutz Exploration Corporation · 2015
- Compositions, methods, and systems for managing total sulfide16US 7,846,408 B12010