B01D 53/58
Ammonia
B01D53/58 (Ammonia) appears on 281 US grants and 291 published applications in this corpus.
Search patents in B01D- Granted patents
- 281
- Published applications
- 291
- Assignees
- 213
- Inventors
- 728
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 3 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 7 | 7 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 5 | 10 |
| 2011 | 5 | 17 |
| 2012 | 14 | 21 |
| 2013 | 7 | 14 |
| 2014 | 10 | 17 |
| 2015 | 20 | 14 |
| 2016 | 15 | 14 |
| 2017 | 12 | 16 |
| 2018 | 8 | 17 |
| 2019 | 19 | 21 |
| 2020 | 20 | 12 |
| 2021 | 10 | 15 |
| 2022 | 19 | 16 |
| 2023 | 8 | 19 |
| 2024 | 11 | 17 |
| 2025 | 17 | 8 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Method and device for removing ammonia from exhaust air from a livestock stable4 Aug 2026US 12,697,583 B2
- Exhaust gas scrubber with energy integration14 Apr 2026US 12,599,871 B2thyssenkrupp AG
- Process for producing fertilizer from a biogas stream24 Mar 2026US 12,583,801 B2ThioSolv, LLC
- Methods and equipment for treatment of odorous gas streams13 Jan 2026US 12,521,675 B2
- Apparatus and method for pollutant removal6 Aug 2026US 2026/0225029 A1Daphne Solutions SA
- Ammonia slip mitigation systems and methods30 Jul 2026US 2026/0217576 A1CPV Power Holdings, LP
- Apparatus for the abatement of pollutants in confined spaces using microorganisms and their abatement process16 Apr 2026US 2026/0102737 A1
- Contaminated air treatment29 Jan 2026US 2026/0027519 A1I/O Electrical & Mechanical Limited
- Methods for Absorbing a Targeted Compound from a Gas Stream for Subsequent Processing or Use8 Jan 2026US 2026/0008007 A1
Most cited
By later US patents
- Surgery plume filter device and method of filtering123US 5,522,808 AEnviroSurgical, Inc. · 1996
- Process for sorption of hazardous waste products from exhaust gas streams96US 5,320,817 ANovapure Corporation · 1994
- Elimination of odors from waste material74US 4,405,354 AUniscope, Inc. · 1983
- Process for decontaminating syngas52US 8,007,688 B2Southern Research Institute · 2011
- Surgery plume filter device50US 5,288,469 AEnviroSurgical, Inc. · 1994