C01B 17/16
Hydrogen sulfides
C01B17/16 (Hydrogen sulfides) appears on 284 US grants and 205 published applications in this corpus.
Search patents in C01B- Granted patents
- 284
- Published applications
- 205
- Assignees
- 179
- Inventors
- 640
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 3 | 5 |
| 2008 | 3 | 8 |
| 2009 | 6 | 12 |
| 2010 | 11 | 14 |
| 2011 | 10 | 7 |
| 2012 | 3 | 13 |
| 2013 | 12 | 7 |
| 2014 | 12 | 5 |
| 2015 | 5 | 23 |
| 2016 | 7 | 9 |
| 2017 | 16 | 13 |
| 2018 | 12 | 14 |
| 2019 | 11 | 11 |
| 2020 | 13 | 6 |
| 2021 | 8 | 7 |
| 2022 | 8 | 10 |
| 2023 | 3 | 7 |
| 2024 | 3 | 13 |
| 2025 | 7 | 9 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst medium comprising hollow microspheres22 Sep 2026US 12,741,267 B2Axens
- Producing hydrogen from hydrogen sulfide1 Sep 2026US 12,722,970 B2Saudi Arabian Oil Company
- Desulfurization of carbon dioxide-containing gases14 Apr 2026US 12,599,868 B2Air Products and Chemicals, Inc.
- System and method of generating hydrogen gas24 Feb 2026US 12,559,401 B2Rtx Bbn Technologies, Inc.
- Hydrogen sulfide dissociation using reactive sulfur species4 Nov 2025US 12,459,816 B2Saudi Arabian Oil Company
- Sulfine-Based Compounds for Generating Hydrogen Persulfide10 Sep 2026US 2026/0265055 A1Brown University
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Hydrogen Sulfide Delivery Device4 Jun 2026US 2026/0151605 A1Exhalix LLC
- Apparatus for mass-producing lithium sulfide26 Feb 2026US 2026/0054244 A1Lake Technology Limited
- Hydrogen sulfide dissociation using reactive sulfur species5 Feb 2026US 2026/0035245 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009
- Distillative separations of gas mixtures containing methane, carbon dioxide and other components129US 4,462,814 AKoch Process Systems, Inc. · 1984
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Process for sulfur removal and recovery from a power generation plant using physical solvent75US 5,240,476 AAir Products and Chemicals, Inc. · 1993
- Powders providing controlled sustained release of a gas64US 5,965,264 ABernard Technologies, Inc. · 1999