B01J 38/34
With plural distinct serial combustion stages
Official title: with plural distinct serial combustion stages
B01J38/34 (With plural distinct serial combustion stages) appears on 32 US grants and 24 published applications in this corpus.
Search patents in B01J- Granted patents
- 32
- Published applications
- 24
- Assignees
- 20
- Inventors
- 84
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluidized bed regenerator, device for preparing low-carbon olefins, and use thereof13 May 2025US 12,296,329 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Stripping of regenerated catalyst during start-up and shutdown8 Oct 2024US 12,109,560 B2Uop LLC
- Regeneration of a dehydrogenation catalyst slip-stream12 Mar 2024US 11,926,800 B2Uop LLC
- Process for combustion coke from coked catalyst13 Apr 2021US 10,974,238 B2Uop LLC
- Catalyst regeneration19 May 2020US 10,654,035 B2Dow Global Technologies LLC
- Systems and processes for fluidized catalytic cracking (fcc)11 Sep 2025US 2025/0283000 A1T. EN Process Technology, Inc.
- Fluidized catalytic cracking regeneration apparatus and application thereof30 Jan 2025US 2025/0034459 A1China Petroleum & Chemical Corporation
- Stripping of regenerated catalyst during start-up and shutdown6 Jul 2023US 2023/0211332 A1Uop LLC
- Fluidized bed regenerator, device for preparing low-carbon olefins, and use thereof22 Dec 2022US 2022/0401905 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Regeneration of a dehydrogenation catalyst slip-stream5 May 2022US 2022/0135887 A1Uop LLC
Most cited
By later US patents
- Apparatus and process for regenerating catalyst58US 7,026,262 B1Uop LLC · 2006
- Process for fluidized-bed catalyst regeneration40US 4,965,232 ACompagnie de Raffinage et de Distribution Total France · 1990
- Catalyst regeneration in a single stage regenerator converted to a two stage high efficiency regenerator21US 5,158,919 AMobil Oil Corporation · 1992
- Apparatus and method for regenerating coked fluid cracking catalyst18US 4,851,374 AMobil Oil Corporation · 1989
- Three-stage counter-current FCC regenerator9US 7,915,191 B2Uop LLC · 2011