C01B 17/803
Converters
Official title: {Converters}
C01B17/803 (Converters) appears on 38 US grants and 24 published applications in this corpus.
Search patents in C01B- Granted patents
- 38
- Published applications
- 24
- Assignees
- 25
- Inventors
- 81
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 6 |
| 2020 | 6 | 4 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing sulphuric acid19 May 2026US 12,630,424 B2Ocp SA
- Method for inter-bed cooling in wet gas sulfuric acid plants3 Jan 2023US 11,543,120 B2Haldor TopsøE A/S
- Layout for inter-bed cooling in sulfuric acid plants18 May 2021US 11,007,498 B2Haldor TopsøE A/S
- Method for production of sulfur and sulfuric acid20 Apr 2021US 10,981,788 B2Haldor TopsøE A/S
- Process and device for the preparation of sulfuric acid8 Dec 2020US 10,858,251 B2thyssenkrupp AG
- System and methods for improving a performance of a production plant7 May 2026US 2026/0124591 A1BASF SE
- Process and apparatus for preparing sulfur trioxide from sulfur dioxide24 Oct 2024US 2024/0351879 A1Messer Industries USA, Inc.
- Method For Manufacturing Sulphuric Acid21 Sep 2023US 2023/0294990 A1Ocp SA
- Method for production of sulfur and sulfuric acid8 Oct 2020US 2020/0317519 A1Haldor TopsøE A/S
- Process and device for the preparation of sulfuric acid17 Sep 2020US 2020/0290876 A1thyssenkrupp AG
Most cited
By later US patents
- Flue gas conditioning system24US 5,288,303 AWilhelm Environmental Technologies, Inc. · 1994
- Process for catalytic reaction of gases21US 5,366,708 AMonsanto Eviro-Chem Systems, Inc. · 1994
- In-duct flue gas conditioning system18US 5,240,470 AWilhelm Environmental Technologies, Inc. · 1993
- System and a method for producing aqueous sulphuric acid13US 10,465,339 B2Valmet Technologies Oy · 2019
- In-duct flue gas conditioning system12US 5,356,597 AWilhelm Environmental Technologies, Inc. · 1994