B01D 2257/602
Mercury or mercury compounds
B01D2257/602 (Mercury or mercury compounds) appears on 862 US grants and 1,020 published applications in this corpus.
Search patents in B01D- Granted patents
- 862
- Published applications
- 1,020
- Assignees
- 419
- Inventors
- 1,496
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 12 |
| 2003 | 14 | 17 |
| 2004 | 6 | 17 |
| 2005 | 12 | 21 |
| 2006 | 16 | 29 |
| 2007 | 10 | 34 |
| 2008 | 20 | 44 |
| 2009 | 38 | 63 |
| 2010 | 50 | 89 |
| 2011 | 46 | 74 |
| 2012 | 64 | 68 |
| 2013 | 75 | 67 |
| 2014 | 65 | 72 |
| 2015 | 55 | 60 |
| 2016 | 45 | 68 |
| 2017 | 51 | 43 |
| 2018 | 46 | 69 |
| 2019 | 46 | 50 |
| 2020 | 46 | 25 |
| 2021 | 31 | 30 |
| 2022 | 29 | 21 |
| 2023 | 11 | 15 |
| 2024 | 20 | 10 |
| 2025 | 11 | 15 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Industrial air pollution removal system26 May 2026US 12,636,605 B2
- Method and system for controlling mercury emissions from coal-fired thermal processes26 May 2026US 12,636,611 B2ARQ Solutions (ES), INC.
- Apparatus and method for exhaust gas pollution reduction12 May 2026US 12,623,185 B2Mercury Capture Intellectual Property, LLC
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles6 Jan 2026US 12,515,165 B2Graymont (PA) Inc.
- Removal of mercury in a gas dehydration process using thermally stable chemical additives2 Dec 2025US 12,485,383 B2Chevron U.S.A.Inc.
- Method and device for separating a carbon dioxide-containing gas by partial condensation and/or distillation and/or solidification8 Oct 2026US 2026/0306989 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Apparatus and method for exhaust gas pollution reduction17 Sep 2026US 2026/0273462 A1Mercury Capture Intellectual Property, LLC
- Exhaust gas purification method and exhaust gas purification apparatus20 Aug 2026US 2026/0241339 A1Mitsubishi Heavy Industries, Ltd.
- Natural gas condensate processing9 Jul 2026US 2026/0193556 A1Nuovo Pignone Tecnologie Srl
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles2 Jul 2026US 2026/0183699 A1Graymont (PA) Inc.
Most cited
By later US patents
- Flue gas mercury control214US 8,080,088 B12011
- Sorbents and methods for the removal of mercury from combustion gases199US 6,953,494 B22005
- High capacity regenerable sorbent for removal of mercury from flue gas191US 6,719,828 B12004
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Mercury removal apparatus and method176US 5,409,522 AADA Technologies, Inc. · 1995