B01D 2259/41
Using plural beds of the same adsorbent in series
Official title: using plural beds of the same adsorbent in series
B01D2259/41 (Using plural beds of the same adsorbent in series) appears on 213 US grants and 153 published applications in this corpus.
Search patents in B01D- Granted patents
- 213
- Published applications
- 153
- Assignees
- 134
- Inventors
- 526
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 6 |
| 2006 | 4 | 8 |
| 2007 | 2 | 7 |
| 2008 | 5 | 8 |
| 2009 | 5 | 10 |
| 2010 | 10 | 8 |
| 2011 | 6 | 8 |
| 2012 | 8 | 13 |
| 2013 | 7 | 4 |
| 2014 | 11 | 4 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 5 | 7 |
| 2018 | 6 | 8 |
| 2019 | 10 | 11 |
| 2020 | 6 | 3 |
| 2021 | 8 | 9 |
| 2022 | 8 | 4 |
| 2023 | 4 | 4 |
| 2024 | 4 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- High efficiency continuous separation process212US 4,402,832 AUop LLC · 1983
- Serial flow continuous separation process149US 4,498,991 AUop LLC · 1985
- Extraction and concentration of a gas component117US 5,082,473 A1992
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification92US 5,096,470 AThe BOC Group, Inc. · 1992