B01D 53/8603
Removing sulfur compounds
Official title: {Removing sulfur compounds}
B01D53/8603 (Removing sulfur compounds) appears on 677 US grants and 527 published applications in this corpus.
Search patents in B01D- Granted patents
- 677
- Published applications
- 527
- Assignees
- 391
- Inventors
- 1,478
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 20 | 0 |
| 1997 | 22 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 12 | 6 |
| 2002 | 4 | 19 |
| 2003 | 12 | 11 |
| 2004 | 6 | 21 |
| 2005 | 15 | 20 |
| 2006 | 7 | 16 |
| 2007 | 10 | 19 |
| 2008 | 18 | 16 |
| 2009 | 12 | 26 |
| 2010 | 22 | 29 |
| 2011 | 17 | 18 |
| 2012 | 10 | 19 |
| 2013 | 18 | 15 |
| 2014 | 20 | 24 |
| 2015 | 12 | 15 |
| 2016 | 14 | 23 |
| 2017 | 24 | 36 |
| 2018 | 29 | 33 |
| 2019 | 30 | 34 |
| 2020 | 28 | 21 |
| 2021 | 15 | 16 |
| 2022 | 15 | 19 |
| 2023 | 19 | 15 |
| 2024 | 13 | 25 |
| 2025 | 8 | 15 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of silica nanoparticles with triazine for H2S scavenging6 Oct 2026US 12,752,236 B2Nissan Chemical America Corporation
- Plasma treatment in sulfur recovery8 Sep 2026US 12,728,387 B2Saudi Arabian Oil Company
- Steel mill offgas separation and purification18 Aug 2026US 12,708,874 B2Air Products and Chemicals, Inc.
- Reactor system and method thereof for degassing sulfur14 Jul 2026US 12,679,728 B2Fluor Technologies Corporation
- Removal of sulfur compounds from gas12 May 2026US 12,623,904 B2Saudi Arabian Oil Company
- Reactor system and method thereof for degassing sulfur1 Oct 2026US 2026/0296887 A1Fluor Technologies Corporation
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Method for manufacturing combustion aid for addition before fossil fuel combustion and desulfurization catalyst27 Aug 2026US 2026/0250590 A1
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Sulfur poisoning-resistant catalyst for catalytic combustion, preparation method therefor, and use thereof30 Jul 2026US 2026/0216707 A1Guangdong University of Technology
Most cited
By later US patents
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- Method for using a regenerable catalyzed trap88US 5,792,436 AEngelhard Corporation · 1998
- Process for the regeneration of a catalyst plant and apparatus for performing the process74US 6,946,419 B2ALSTOM Technology Ltd · 2005
- Ion transport membranes with catalyzed mixed conducting porous layer73US 5,534,471 AAir Products and Chemicals, Inc. · 1996
- Process for the regeneration of a catalyst plant and apparatus for performing the process73US 7,611,681 B2ALSTOM Technology Ltd · 2009