C01B 17/80
Apparatus
C01B17/80 (Apparatus) appears on 84 US grants and 62 published applications in this corpus.
Search patents in C01B- Granted patents
- 84
- Published applications
- 62
- Assignees
- 48
- Inventors
- 190
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 4 | 7 |
| 2015 | 4 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 7 |
| 2020 | 7 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 4 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 4 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing sulphuric acid19 May 2026US 12,630,424 B2Ocp SA
- Method for production of elemental sulfur and sulfuric acid10 Feb 2026US 12,545,580 B2Haldor TopsøE A/S
- Integrated ammonia and sulfuric acid production plant and process20 Jan 2026US 12,528,752 B2Chemetics Inc.
- Use of sulfur as alternative carbon-free fuel in ammonia primary reformer combustion zone, by coupling ammonia and sulfuric acid production facilities21 Oct 2025US 12,447,454 B1Saudi Arabian Mining Company (Ma'aden)
- Method for carbon dioxide capture and concentration by partitioned multistage circulation based on mass transfer-reaction regulation14 May 2024US 11,980,844 B2Zhejiang University
- Process for removing sulfur containing compounds from gas containing at least one sulfur containing compound10 Sep 2026US 2026/0264009 A1Sulzer Management AG
- Process and plant for a permanent storage of phosphogypsum14 May 2026US 2026/0132042 A1Metso Metals Oy
- System and methods for improving a performance of a production plant7 May 2026US 2026/0124591 A1BASF SE
- Corrosion resistant nozzle and lid for an adiabatic gas cooler9 Apr 2026US 2026/0097409 A1Cg Thermal, LLC
- Method and system for treating sulfur dioxide containing stream by catalytic oxidation and acid aqueous absorption12 Feb 2026US 2026/0042058 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Flue gas conditioning system24US 5,288,303 AWilhelm Environmental Technologies, Inc. · 1994
- Rotary tube reactor for the thermal treatment of material23US 4,353,874 ABayer Aktiengesellschaft · 1982
- Process for catalytic reaction of gases21US 5,366,708 AMonsanto Eviro-Chem Systems, Inc. · 1994
- Process for absorbing SO.sub.318US 3,950,493 AMetallgesellschaft Aktiengesellschaft · 1976
- In-duct flue gas conditioning system18US 5,240,470 AWilhelm Environmental Technologies, Inc. · 1993