B01D 2253/342
Monoliths
B01D2253/342 (Monoliths) appears on 451 US grants and 519 published applications in this corpus.
Search patents in B01D- Granted patents
- 451
- Published applications
- 519
- Assignees
- 274
- Inventors
- 1,233
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 7 |
| 2002 | 15 | 17 |
| 2003 | 19 | 23 |
| 2004 | 15 | 20 |
| 2005 | 13 | 24 |
| 2006 | 13 | 18 |
| 2007 | 14 | 11 |
| 2008 | 9 | 18 |
| 2009 | 5 | 14 |
| 2010 | 16 | 14 |
| 2011 | 12 | 15 |
| 2012 | 8 | 16 |
| 2013 | 12 | 10 |
| 2014 | 10 | 15 |
| 2015 | 17 | 23 |
| 2016 | 14 | 19 |
| 2017 | 9 | 12 |
| 2018 | 18 | 31 |
| 2019 | 23 | 22 |
| 2020 | 17 | 17 |
| 2021 | 12 | 21 |
| 2022 | 18 | 16 |
| 2023 | 27 | 37 |
| 2024 | 19 | 33 |
| 2025 | 18 | 36 |
| 2026 | 14 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Vehicle air conditioning system8 Sep 2026US 12,728,705 B2NGK Insulators, Ltd.
- Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium25 Aug 2026US 12,715,271 B2NGK Insulators, Ltd.
- Multi-stage direct capture of CO2 from air11 Aug 2026US 12,702,947 B2ExxonMobil Technology and Engineering Company
- Method for producing an adsorption agent for treating compressed gas and an adsorption device provided with such an adsorption agent28 Jul 2026US 12,691,435 B2Atlas Copco Airpower, Naamloze Vennootschap
- Gas turbine test bench with gas capture24 Sep 2026US 2026/0287471 A1
- Adsorbent and systems for direct air capture27 Aug 2026US 2026/0249228 A1
- Dynamic adsorption and desorption system20 Aug 2026US 2026/0241327 A1Mosaic Materials, Inc.
- Processes and systems for regeneration of a sorbent20 Aug 2026US 2026/0241337 A1Shell USA, Inc.
- Purification media housing, purifier comprising the same, and method of fabricating the same13 Aug 2026US 2026/0233136 A1
Most cited
By later US patents
- Air purification system and process135US 4,231,768 APall Corporation · 1980
- Filter and method for removing mercury, bacteria, pathogens and other vapors from gas134US 4,917,862 A1990
- Apparatus for adsorbing fuel vapor126US 4,386,947 ANippon Soken, Inc. · 1983
- Activated carbon honeycombs and applications thereof116US 5,288,306 ATakeda Chemical Industries, Ltd. · 1994
- Adsorptive monolith including activated carbon and method for making said monlith116US 5,914,294 AApplied Ceramics, Inc. · 1999