B01D 53/86
Catalytic processes
B01D53/86 (Catalytic processes) appears on 5,264 US grants and 5,026 published applications in this corpus.
Search patents in B01D- Granted patents
- 5,264
- Published applications
- 5,026
- Assignees
- 2,415
- Inventors
- 12,309
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 54 | 0 |
| 1977 | 65 | 0 |
| 1978 | 58 | 0 |
| 1979 | 35 | 0 |
| 1980 | 42 | 0 |
| 1981 | 51 | 0 |
| 1982 | 35 | 0 |
| 1983 | 36 | 0 |
| 1984 | 36 | 0 |
| 1985 | 24 | 0 |
| 1986 | 34 | 0 |
| 1987 | 33 | 0 |
| 1988 | 62 | 0 |
| 1989 | 67 | 0 |
| 1990 | 75 | 0 |
| 1991 | 61 | 0 |
| 1992 | 81 | 0 |
| 1993 | 88 | 0 |
| 1994 | 79 | 0 |
| 1995 | 79 | 0 |
| 1996 | 93 | 0 |
| 1997 | 81 | 0 |
| 1998 | 118 | 0 |
| 1999 | 96 | 0 |
| 2000 | 129 | 0 |
| 2001 | 117 | 49 |
| 2002 | 105 | 138 |
| 2003 | 128 | 181 |
| 2004 | 107 | 226 |
| 2005 | 99 | 195 |
| 2006 | 86 | 177 |
| 2007 | 87 | 159 |
| 2008 | 117 | 160 |
| 2009 | 115 | 220 |
| 2010 | 177 | 238 |
| 2011 | 147 | 198 |
| 2012 | 133 | 176 |
| 2013 | 171 | 176 |
| 2014 | 155 | 213 |
| 2015 | 173 | 223 |
| 2016 | 130 | 184 |
| 2017 | 163 | 213 |
| 2018 | 158 | 237 |
| 2019 | 202 | 239 |
| 2020 | 191 | 237 |
| 2021 | 178 | 223 |
| 2022 | 161 | 226 |
| 2023 | 180 | 228 |
| 2024 | 139 | 203 |
| 2025 | 133 | 169 |
| 2026 | 100 | 138 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 53/8621Removing nitrogen compounds1,715
- B01D 53/88Handling or mounting catalysts807
- B01D 53/8603Removing sulfur compounds677
- B01D 53/864Removing carbon monoxide or hydrocarbons592
- B01D 53/90Injecting reactants509
- B01D 53/8668Removing organic compounds not provided for in b01d53/8603 - b01d53/8665487
- B01D 53/8671Removing components of defined structure not provided for in b01d53/8603 - b01d53/8668453
- B01D 53/8659Removing halogens or halogen compounds253
All 15 subgroupsShow fewer
- B01D 53/8696Controlling the catalytic process227
- B01D 53/8678Removing components of undefined structure203
- B01D 53/8643Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides201
- B01D 53/869Multiple step processes128
- B01D 53/8665Removing heavy metals or compounds thereof118
- B01D 53/8637Simultaneously removing sulfur oxides and nitrogen oxides107
- B01D 53/8693After-treatment of removed components20
Recent patents
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- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Photocatalytic air treatment29 Sep 2026US 12,746,509 B2Dyson Technology Limited
- Photocatalyst filter and electronic device comprising same15 Sep 2026US 12,734,266 B2Samsung Electronics Co., Ltd.
- Filter for air purification and manufacturing method thereof15 Sep 2026US 12,734,512 B2Hyundai Motor Company
- Gas turbine engine fuel system8 Oct 2026US 2026/0306970 A1General Electric Company
- Catalytic reactor and system for purification of carbon dioxide streams and methods of using the same8 Oct 2026US 2026/0307007 A1Oxy Low Carbon Ventures, LLC
- Air Treatment System8 Oct 2026US 2026/0307008 A1Universiteit Antwerpen
- Method for producing fe-doped beta zeolite catalyst monoliths8 Oct 2026US 2026/0307064 A1BASF SE
- Control systems and methods for exhaust pollution mitigation1 Oct 2026US 2026/0295519 A1ECC TEC MSJ Incorporated
Most cited
By later US patents
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- Substoichiometric combustion of low heating value gases292US 4,363,361 AGulf Research & Development Company · 1982
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- Composition of synthetic porous crystalline material, its synthesis183US 5,102,643 AMobil Oil Corporation · 1992
- Thermally enhanced compact reformer179US 5,858,314 AZtek Corporation · 1999