F23J 2215/30
Halogen
Official title: Halogen; Compounds thereof
F23J2215/30 (Halogen) appears on 127 US grants and 67 published applications in this corpus.
Search patents in F23J- Granted patents
- 127
- Published applications
- 67
- Assignees
- 97
- Inventors
- 281
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 4 |
| 2003 | 2 | 4 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 3 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 5 | 4 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 4 |
| 2019 | 4 | 4 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 4 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for controlling mercury emissions from coal-fired thermal processes26 May 2026US 12,636,611 B2ARQ Solutions (ES), INC.
- Industrial solid waste incinerator and flue gas treatment apparatus28 Apr 2026US 12,613,032 B2Zhejiang Weiming Environment Protection Co., Ltd.
- 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.
- Method and system for pyrolysis9 Dec 2025US 12,492,345 B2Royal Melbourne Institute of Technology
- Method for zero discharge treatment of desulfurization wastewater suitable for multiple working conditions9 Sep 2025US 12,409,414 B2Xi'an Boiler & Environmental Protection Engineering Co., Ltd.
- 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.
- System and Method for Pyrolysis26 Mar 2026US 2026/0085243 A1Royal Melbourne Institute of Technology
- Catalyst system for removing perfluorinated compounds and nitrous oxide30 Oct 2025US 2025/0332574 A1Ennopia
- Method for extracting carbon dioxide from flue gas27 Feb 2025US 2025/0065263 A1Nan Ya Plastics Corporation
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles7 Nov 2024US 2024/0367090 A1Graymont (PA) Inc.
Most cited
By later US patents
- System for treating and recovering energy from exhaust gases100US 4,126,000 A1978
- Adsorption powder for removing mercury from high temperature, high moisture gas streams86US 6,533,842 B1Merck & Co., Inc. · 2003
- Combustion optimization62US 6,712,606 B2Ecomb AB · 2004
- System for treating and recovering energy from exhaust gases55US 4,411,136 A1983
- System for solar energy collection and recovery47US 4,676,068 A1987