B01D 53/1481
Removing sulfur dioxide or sulfur trioxide
Official title: {Removing sulfur dioxide or sulfur trioxide}
B01D53/1481 (Removing sulfur dioxide or sulfur trioxide) appears on 291 US grants and 322 published applications in this corpus.
Search patents in B01D- Granted patents
- 291
- Published applications
- 322
- Assignees
- 189
- Inventors
- 682
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 5 |
| 2011 | 2 | 11 |
| 2012 | 2 | 11 |
| 2013 | 10 | 11 |
| 2014 | 9 | 19 |
| 2015 | 9 | 15 |
| 2016 | 10 | 23 |
| 2017 | 22 | 21 |
| 2018 | 28 | 29 |
| 2019 | 17 | 31 |
| 2020 | 29 | 32 |
| 2021 | 29 | 18 |
| 2022 | 31 | 27 |
| 2023 | 18 | 20 |
| 2024 | 10 | 12 |
| 2025 | 7 | 16 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for producing carbonate salts22 Sep 2026US 12,741,880 B2Nanomist Technologies Co., Ltd.
- Manufacturing method of chemical adsorbent for removing harmful gases, and apparatus thereof15 Sep 2026US 12,734,501 B2GTScien Co., Ltd.
- Plant and method for carrying out an endothermic chemical process and for separating carbon dioxide from flue gas produced in the process28 Jul 2026US 12,691,411 B2L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes
- Apparatus for reducing greenhouse gas emission in vessel and vessel including the same14 Jul 2026US 12,678,736 B2Daewoo Shipbuilding & Marine Engineering Co., Ltd.
- Scrubber for washing exhaust fumes generated by internal combustion engines26 May 2026US 12,636,609 B2Ecospray Technologies S.r.l.
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Carbon Sequestration Material Production Methods Using a Heat-Activated Solid Mineral Source of Alkalinity and Systems for Practicing the Same20 Aug 2026US 2026/0241328 A1Blue Planet Systems Corporation
- Method and system for cleaning polluted marine exhaust gas cleaning liquid20 Aug 2026US 2026/0242265 A1Alfa Laval Corporate AB
- Apparatus and method for pollutant removal6 Aug 2026US 2026/0225029 A1Daphne Solutions SA
- System and method for biomass growth and processing6 Aug 2026US 2026/0226396 A1Brisa International, LLC
Most cited
By later US patents
- Removal and recovery of sulphur dioxide from gas streams66US 5,019,361 AUnion Carbide Canada Limited · 1991
- Heavy marine fuel oil composition57US 10,308,884 B2Magēmā Technology LLC · 2019
- Process and device for treating high sulfur heavy marine fuel oil for use as feedstock in a subsequent refinery unit57US 10,533,141 B2Mag{tilde over (e)}mã Technology LLC · 2020
- Multi-stage device and process for production of a low sulfur heavy marine fuel oil56US 10,563,133 B2Magēmā Technology LLC · 2020
- Heavy marine fuel oil composition56US 10,876,053 B2Mag{tilde over (e)}mã Technology LLC · 2020