C02F 2101/40
Containing sulfur
Official title: {containing sulfur}
C02F2101/40 (Containing sulfur) appears on 106 US grants and 159 published applications in this corpus.
Search patents in C02F- Granted patents
- 106
- Published applications
- 159
- Assignees
- 112
- Inventors
- 474
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 1 | 9 |
| 2013 | 1 | 3 |
| 2014 | 1 | 4 |
| 2015 | 6 | 6 |
| 2016 | 2 | 7 |
| 2017 | 10 | 15 |
| 2018 | 6 | 11 |
| 2019 | 8 | 15 |
| 2020 | 9 | 7 |
| 2021 | 5 | 18 |
| 2022 | 9 | 11 |
| 2023 | 12 | 14 |
| 2024 | 12 | 12 |
| 2025 | 18 | 10 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for reducing risks of composite pollutants in sewage1 Sep 2026US 12,722,985 B1Nanjing University
- High flux nanofiltration membrane2 Jun 2026US 12,643,075 B1King Fahd University of Petroleum and Minerals
- Use of a chlorine dioxide precursor for controlling ion metabolism of bacteria in cooling water systems5 May 2026US 12,617,701 B2Ecolab USA Inc.
- Zero liquid discharge water management system31 Mar 2026US 12,590,017 B2Saudi Arabian Oil Company
- Chemical compositions and methods of using same for remediating sulfur-containing compositions and other contaminants in fluids10 Feb 2026US 12,545,842 B2Gaps Technology, LLC.
- Method and system for treatment of pfas contaminated wastewater and water utilizing gas nanobubbles24 Sep 2026US 2026/0285708 A1Streamgo Water Solutions Inc.
- Method for reducing risks of composite pollutants in sewage3 Sep 2026US 2026/0257942 A1Nanjing University
- Water purification system20 Aug 2026US 2026/0242267 A1ZRO Waste Water, Inc.
- Carbonaceous materials for use in methods of manufacturing activated carbon30 Jul 2026US 2026/0216692 A1Arq IP Limited
- 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
- Process for reducing the sulfate concentration in a wastewater stream15US 9,085,477 B2Veolia Water Solutions & Technologies Support · 2015
- Water treatment for removing PFAS14US 11,780,746 B2The Water & Carbon Group Pty, Ltd. · 2023
- Water treatment13US 9,617,170 B2Kemira Oyj · 2017
- Thermal management system with sublimator and adsorbent bed11US 11,285,039 B2Hamilton Sundstrand Corporation · 2022
- Waste water treatment systems and methods9US 9,139,457 B2ANUE Water Technologies, Inc. · 2015