B01D 2259/401
Using a single bed
Official title: using a single bed
B01D2259/401 (Using a single bed) appears on 206 US grants and 138 published applications in this corpus.
Search patents in B01D- Granted patents
- 206
- Published applications
- 138
- Assignees
- 122
- Inventors
- 434
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 14 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 4 |
| 2005 | 0 | 0 |
| 2006 | 1 | 9 |
| 2007 | 3 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 1 |
| 2010 | 3 | 4 |
| 2011 | 0 | 5 |
| 2012 | 0 | 2 |
| 2013 | 7 | 6 |
| 2014 | 0 | 3 |
| 2015 | 7 | 5 |
| 2016 | 0 | 20 |
| 2017 | 13 | 5 |
| 2018 | 6 | 12 |
| 2019 | 10 | 9 |
| 2020 | 11 | 9 |
| 2021 | 6 | 8 |
| 2022 | 14 | 7 |
| 2023 | 6 | 11 |
| 2024 | 3 | 4 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon dioxide removal apparatus, carbon dioxide desorption determination method, and carbon dioxide separation method12 May 2026US 12,623,177 B2Honda Motor Co., Ltd.
- Evaporative fuel vapor emission control systems17 Mar 2026US 12,577,895 B2Ingevity South Carolina, LLC
- Architectures for production of nitric oxide13 Jan 2026US 12,522,501 B2Third Pole, Inc.
- Respiratory therapy systems and methods30 Dec 2025US 12,508,389 B2Ventec Life Systems, Inc.
- Process for the removal of H2S from natural gas at high pressures by means of a PSA process25 Nov 2025US 12,480,064 B2Petroleo Brasileiro S.A. - Petrobras
- Respiratory therapy systems and methods23 Jul 2026US 2026/0207873 A1Ventec Life Systems, Inc.
- Cabin air filter system for a vehicle and method for cleaning air supplied to a vehicle cabin30 Jan 2025US 2025/0032971 A1Mann+Hummel GmbH
- Evaporative fuel vapor emission control systems16 May 2024US 2024/0159176 A1Ingevity South Carolina, LLC
- Carbon dioxide removal apparatus, carbon dioxide desorption determination method, and carbon dioxide separation method28 Mar 2024US 2024/0100467 A1Honda Motor Co., Ltd.
- Clean water recirculation for steam production in rotating packed bed desorber system14 Mar 2024US 2024/0082779 A1Gti Energy
Most cited
By later US patents
- Oxygen concentrator and test apparatus114US 4,627,860 AHudson Oxygen Therapy Sales Company · 1986
- Oxygen concentrator113US 4,561,287 AHudson Oxygen Therapy Sales Company · 1985
- Removal of oil from compressed gas with macroporous polymeric adsorbent112US 5,700,310 AMG Generon, Inc. · 1997
- Oxygen concentrator109US 4,648,888 AHudson Oxygen Therapy Sales Company · 1987
- Pressure swing adsorption for concentration of a gas component102US 4,968,329 A1990