B01D 53/46
Removing components of defined structure
B01D53/46 (Removing components of defined structure) appears on 7,944 US grants and 7,578 published applications in this corpus.
Search patents in B01D- Granted patents
- 7,944
- Published applications
- 7,578
- Assignees
- 3,503
- Inventors
- 16,892
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 149 | 0 |
| 1977 | 123 | 0 |
| 1978 | 122 | 0 |
| 1979 | 88 | 0 |
| 1980 | 114 | 0 |
| 1981 | 99 | 0 |
| 1982 | 84 | 0 |
| 1983 | 81 | 0 |
| 1984 | 80 | 0 |
| 1985 | 101 | 0 |
| 1986 | 98 | 0 |
| 1987 | 81 | 0 |
| 1988 | 96 | 0 |
| 1989 | 138 | 0 |
| 1990 | 116 | 0 |
| 1991 | 104 | 0 |
| 1992 | 119 | 0 |
| 1993 | 132 | 0 |
| 1994 | 125 | 0 |
| 1995 | 114 | 0 |
| 1996 | 136 | 0 |
| 1997 | 146 | 0 |
| 1998 | 113 | 0 |
| 1999 | 101 | 0 |
| 2000 | 108 | 0 |
| 2001 | 114 | 36 |
| 2002 | 104 | 107 |
| 2003 | 120 | 128 |
| 2004 | 72 | 153 |
| 2005 | 81 | 125 |
| 2006 | 67 | 146 |
| 2007 | 73 | 145 |
| 2008 | 80 | 171 |
| 2009 | 104 | 194 |
| 2010 | 148 | 289 |
| 2011 | 145 | 346 |
| 2012 | 188 | 342 |
| 2013 | 269 | 400 |
| 2014 | 309 | 426 |
| 2015 | 288 | 374 |
| 2016 | 279 | 321 |
| 2017 | 297 | 358 |
| 2018 | 281 | 390 |
| 2019 | 332 | 347 |
| 2020 | 318 | 325 |
| 2021 | 282 | 317 |
| 2022 | 268 | 352 |
| 2023 | 249 | 419 |
| 2024 | 258 | 475 |
| 2025 | 270 | 515 |
| 2026 | 180 | 377 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 53/48Sulfur compounds3,377
- B01D 53/62Carbon oxides1,958
- B01D 53/54Nitrogen compounds1,324
- B01D 53/68Halogens or halogen compounds937
- B01D 53/64Heavy metals or compounds thereof834
- B01D 53/72Organic compounds not provided for in groups b01d53/48 - b01d53/70553
- B01D 53/60Simultaneously removing sulfur oxides and nitrogen oxides465
- B01D 53/66Ozone52
Recent patents
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- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Absorbent for Capturing Carbon Dioxide8 Oct 2026US 2026/0307000 A1Panasia Co., Ltd.
- Amine compound, amine composition, carbon dioxide absorbent, method for recovering carbon dioxide, and carbon dioxide separation and recovery device8 Oct 2026US 2026/0307005 A1Mitsubishi Gas Chemical Company, Inc.
- Abatement of effluent containing ammonium chloride8 Oct 2026US 2026/0307006 A1APPLIED Materials.Inc.
- Co2 capture and hydrogen recovery from fuel cell anode off gas8 Oct 2026US 2026/0312104 A1Uop LLC
- Stackable solid sorbent layers for gas separation and method of making1 Oct 2026US 2026/0295498 A1Mosaic Materials, Inc.
Most cited
By later US patents
- Chemical vapor deposition hot-trap for unreacted precursor conversion and effluent removal440US 6,099,649 AAPPLIED Materials.Inc. · 2000
- Method for unreacted precursor conversion and effluent removal417US 6,402,806 B1APPLIED Materials.Inc. · 2002
- Thermal decomposition trap406US 5,114,683 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1992
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions401US 6,500,487 B1Advanced Technology Materials, Inc. · 2002
- Abatement of effluent from chemical vapor deposition processes using ligand exchange resistant metal-organic precursor solutions386US 6,833,024 B2Adanced Technology Materials, Inc. · 2004