B01D 53/18
Absorbing units
Official title: Absorbing units; Liquid distributors therefor (B01D3/16, B01D3/26, B01D3/30 take precedence; packing elements B01J19/30, B01J19/32)
B01D53/18 (Absorbing units) appears on 1,378 US grants and 1,667 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,378
- Published applications
- 1,667
- Assignees
- 860
- Inventors
- 3,680
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 5 | 0 |
| 1991 | 14 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 7 |
| 2002 | 14 | 17 |
| 2003 | 21 | 12 |
| 2004 | 13 | 18 |
| 2005 | 6 | 9 |
| 2006 | 11 | 24 |
| 2007 | 7 | 25 |
| 2008 | 5 | 28 |
| 2009 | 18 | 23 |
| 2010 | 21 | 37 |
| 2011 | 16 | 44 |
| 2012 | 30 | 29 |
| 2013 | 28 | 60 |
| 2014 | 43 | 62 |
| 2015 | 47 | 59 |
| 2016 | 57 | 106 |
| 2017 | 66 | 83 |
| 2018 | 75 | 91 |
| 2019 | 81 | 89 |
| 2020 | 68 | 126 |
| 2021 | 95 | 106 |
| 2022 | 98 | 92 |
| 2023 | 76 | 125 |
| 2024 | 77 | 124 |
| 2025 | 85 | 162 |
| 2026 | 55 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CO2 recovery system and CO2 recovery method6 Oct 2026US 12,752,235 B2Mitsubishi Heavy Industries, Ltd.
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Portable carbon capture system15 Sep 2026US 12,736,002 B2Qatar University
- Converting natural gas to dimethyl ether8 Sep 2026US 12,729,174 B2Saudi Arabian Oil Company
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Method of extraction of a gaseous or vapor component from compressed air8 Oct 2026US 2026/0306997 A1Consiglio Nazionale Delle Ricerche
- Method for producing a deacidified fluid stream, apparatus for deacidifying a fluid stream and use of heat pumps for deacidifying a fluid stream8 Oct 2026US 2026/0306998 A1BASF SE
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Magnetically-driven phase separator1 Oct 2026US 2026/0295471 A1Honeywell International Inc.
- High-efficiency carbonation reaction system and method for capturing carbon dioxide from flue gas continuously1 Oct 2026US 2026/0295508 A1National Atomic Research Institute
Most cited
By later US patents
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000
- Method and apparatus for recovering water from air135US 6,156,102 AFantom Technologies Inc. · 2000
- Electrosurgical handpiece for treating tissue131US 6,352,533 B12002
- Microchannel laminated mass exchanger and method of making115US 6,129,973 ABattelle Memorial Institute · 2000
- Method and apparatus for interacting a gas and liquid on a convoluted array of tubes96US 5,472,044 AE. I. Du Pont de Nemours and Company · 1995