B01D 53/68
Halogens or halogen compounds
B01D53/68 (Halogens or halogen compounds) appears on 937 US grants and 727 published applications in this corpus.
Search patents in B01D- Granted patents
- 937
- Published applications
- 727
- Assignees
- 607
- Inventors
- 2,446
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 23 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 11 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 19 | 0 |
| 1989 | 20 | 0 |
| 1990 | 18 | 0 |
| 1991 | 13 | 0 |
| 1992 | 21 | 0 |
| 1993 | 19 | 0 |
| 1994 | 18 | 0 |
| 1995 | 21 | 0 |
| 1996 | 25 | 0 |
| 1997 | 28 | 0 |
| 1998 | 19 | 0 |
| 1999 | 24 | 0 |
| 2000 | 28 | 0 |
| 2001 | 26 | 10 |
| 2002 | 27 | 36 |
| 2003 | 31 | 30 |
| 2004 | 16 | 33 |
| 2005 | 20 | 19 |
| 2006 | 15 | 17 |
| 2007 | 17 | 28 |
| 2008 | 8 | 17 |
| 2009 | 9 | 31 |
| 2010 | 17 | 28 |
| 2011 | 17 | 17 |
| 2012 | 15 | 23 |
| 2013 | 13 | 28 |
| 2014 | 17 | 36 |
| 2015 | 21 | 28 |
| 2016 | 29 | 40 |
| 2017 | 22 | 25 |
| 2018 | 24 | 41 |
| 2019 | 32 | 33 |
| 2020 | 26 | 33 |
| 2021 | 20 | 20 |
| 2022 | 23 | 31 |
| 2023 | 19 | 31 |
| 2024 | 20 | 30 |
| 2025 | 19 | 35 |
| 2026 | 14 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Catalyst for decomposing perfluorinated compounds and method of manufacturing the catalyst16 Jun 2026US 12,654,155 B2Korea Advanced Institute of Science and Technology
- Method of elimination of poly- and perfluoroalkyl substances (PFAS) in a wastewater biosolids gasification process using a thermal oxidizer and hydrated lime injection9 Jun 2026US 12,649,885 B2Aries Clean Technologies LLC
- Thermo-chemical transformation of wet food waste with plastics, biodegradable packaging, and fluorinated compounds in a multi-annular concentric feed rotary kiln system2 Jun 2026US 12,644,061 B1Simple Approach Systems, Inc.
- Industrial solid waste incinerator and flue gas treatment apparatus28 Apr 2026US 12,613,032 B2Zhejiang Weiming Environment Protection Co., Ltd.
- Abatement of effluent containing ammonium chloride8 Oct 2026US 2026/0307006 A1APPLIED Materials.Inc.
- System for processing gas and method for processing gas using the same17 Sep 2026US 2026/0273460 A1Research & Business Foundation Sungkyunkwan University
- Method for removing pfas comprised in waste10 Sep 2026US 2026/0263857 A1Sarp Industries
- Pulse flow reactors and systems or uses thereof27 Aug 2026US 2026/0249124 A1ThermoChem Recovery International, Inc.
- Method for obtaining a synthesis gas from waste products via a gasification reaction in conjunction with a reforming reaction with thermal energy recirculation27 Aug 2026US 2026/0250587 A1Cyclize GmbH
Most cited
By later US patents
- Thermal decomposition trap406US 5,114,683 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- Apparatus for decomposition of chemical compounds385US 5,720,927 AMotorola, Inc. · 1998
- Fluorine abatement using steam injection in oxidation treatment of semiconductor manufacturing effluent gases210US 6,423,284 B1Advanced Technology Materials, Inc. · 2002
- Process for removal or mercury vapor and/or vapor of noxious organic compounds and/or nitrogen oxides from flue gas from an incinerator plant206US 4,889,698 AA/S Niro Atomizer · 1989