C01B 21/0455
Characterised by the adsorbent
Official title: {characterised by the adsorbent}
C01B21/0455 (Characterised by the adsorbent) appears on 91 US grants and 55 published applications in this corpus.
Search patents in C01B- Granted patents
- 91
- Published applications
- 55
- Assignees
- 55
- Inventors
- 242
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 4 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 7 |
| 2011 | 1 | 2 |
| 2012 | 4 | 4 |
| 2013 | 3 | 2 |
| 2014 | 2 | 4 |
| 2015 | 7 | 4 |
| 2016 | 3 | 8 |
| 2017 | 8 | 0 |
| 2018 | 1 | 4 |
| 2019 | 4 | 4 |
| 2020 | 0 | 3 |
| 2021 | 5 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Air separators and related methods3 Oct 2023US 11,772,040 B2JDL Tech USA LLC
- Air separators and related methods7 Dec 2021US 11,192,060 B2JDL Tech USA LLC
- Nitrogen service supply system25 May 2021US 11,014,039 B2Praxair Technology, Inc.
- Refrigerator6 Apr 2021US 10,966,442 B2Qingdao Haier Joint Stock Co., Ltd.
- Methods and systems for performing chemical separations30 Mar 2021US 10,960,343 B2Lummus Technology Inc.
- Geothermally driven ammonia production1 May 2025US 2025/0136457 A1EnhancedGEO Holdings, LLC
- Process for the preparation of green ammonia synthesis gas24 Oct 2024US 2024/0351896 A1Topsoe A/S
- Air separators and related methods24 Mar 2022US 2022/0088532 A1JDL Tech USA LLC
- Air separators and related methods21 Jan 2021US 2021/0016221 A1JDL Tech USA LLC
- Receiver integrated with separator16 Apr 2020US 2020/0114298 A1Gast Manufacturing, Inc.
Most cited
By later US patents
- Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite87US 5,152,813 AAir Products and Chemicals, Inc. · 1992
- Mixed ion-exchanged zeolites and processes for the use thereof in gas separations76US 5,174,979 AUop LLC · 1992
- Adsorbent for separating nitrogen from mixed gas of oxygen and nitrogen66US 6,916,358 B2Taiyo Nippon Sanso Corporation · 2005
- Non-thermofusible phenol resin powder, method for producing the same, thermosetting resin composition, sealing material for semiconductor, and adhesive for semiconductor65US 8,411,415 B2Air Water Inc. · 2013
- Selective adsorption of CO.sub.2 on zeolites58US 4,775,396 AUnion Carbide Corporation · 1988