B01D 53/02
Separation of gases or vapours: by adsorption
Official title: by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)}
B01D53/02 (Separation of gases or vapours: by adsorption) appears on 9,624 US grants and 10,099 published applications in this corpus.
Search patents in B01D- Granted patents
- 9,624
- Published applications
- 10,099
- Assignees
- 3,776
- Inventors
- 19,591
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 59 | 0 |
| 1977 | 73 | 0 |
| 1978 | 53 | 0 |
| 1979 | 42 | 0 |
| 1980 | 52 | 0 |
| 1981 | 72 | 0 |
| 1982 | 69 | 0 |
| 1983 | 59 | 0 |
| 1984 | 67 | 0 |
| 1985 | 90 | 0 |
| 1986 | 53 | 0 |
| 1987 | 67 | 0 |
| 1988 | 93 | 0 |
| 1989 | 86 | 0 |
| 1990 | 76 | 0 |
| 1991 | 71 | 0 |
| 1992 | 101 | 0 |
| 1993 | 101 | 0 |
| 1994 | 103 | 0 |
| 1995 | 103 | 0 |
| 1996 | 124 | 0 |
| 1997 | 133 | 0 |
| 1998 | 161 | 0 |
| 1999 | 217 | 0 |
| 2000 | 193 | 0 |
| 2001 | 173 | 57 |
| 2002 | 222 | 196 |
| 2003 | 218 | 226 |
| 2004 | 169 | 229 |
| 2005 | 134 | 252 |
| 2006 | 137 | 231 |
| 2007 | 134 | 210 |
| 2008 | 142 | 265 |
| 2009 | 163 | 259 |
| 2010 | 229 | 322 |
| 2011 | 171 | 316 |
| 2012 | 232 | 322 |
| 2013 | 304 | 387 |
| 2014 | 299 | 371 |
| 2015 | 316 | 415 |
| 2016 | 324 | 446 |
| 2017 | 381 | 499 |
| 2018 | 395 | 540 |
| 2019 | 442 | 546 |
| 2020 | 413 | 496 |
| 2021 | 378 | 527 |
| 2022 | 398 | 544 |
| 2023 | 432 | 581 |
| 2024 | 399 | 616 |
| 2025 | 429 | 684 |
| 2026 | 272 | 562 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Filter unit with a filter block, a damping layer and a housing, and process of manufacturing such a filter unit6 Oct 2026US 12,752,136 B2Dräger Safety AG & Co. KGaA
- Contactor assembly and sorbent cartridge having sorbent bed for contactor assembly6 Oct 2026US 12,752,232 B2Mosaic Materials, Inc.
- Adsorbent bed with increased hydrothermal stability6 Oct 2026US 12,752,233 B2BASF SE
- System and method for direct air capture of water and CO26 Oct 2026US 12,752,234 B2Battelle Memorial Institute
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- Automotive air filters with hydrocarbon-absorbing media8 Oct 2026US 2026/0306983 A1
- Method and device for separating a carbon dioxide-containing gas by partial condensation and/or distillation and/or solidification8 Oct 2026US 2026/0306989 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Systems and methods for optimizing carbon dioxide capture using sorbents8 Oct 2026US 2026/0306990 A1GE Vernova Infrastructure Technology LLC
- Systems and methods for optimizing carbon dioxide capture using water vapor adsorption8 Oct 2026US 2026/0306991 A1GE Vernova Infrastructure Technology LLC
Most cited
By later US patents
- Gas purification system and method484US 6,514,313 B1Aeronex, Inc. · 2003
- Variable conductance gas distribution apparatus and method473US 9,657,845 B2ASM IP Holding B. V. · 2017
- 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 effluents from chemical vapor deposition processes using organometallic source reagents392US 6,749,671 B2Advanced Technology Materials, Inc. · 2004
- Vapor deposition systems and methods389US 8,202,575 B2Cambridge NanoTech Inc. · 2012