B01J 8/1881
With particles moving downwards while fluidised
Official title: {with particles moving downwards while fluidised}
B01J8/1881 (With particles moving downwards while fluidised) appears on 84 US grants and 78 published applications in this corpus.
Search patents in B01J- Granted patents
- 84
- Published applications
- 78
- Assignees
- 71
- Inventors
- 276
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 5 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 1 | 3 |
| 2020 | 4 | 4 |
| 2021 | 4 | 7 |
| 2022 | 6 | 8 |
| 2023 | 8 | 5 |
| 2024 | 2 | 8 |
| 2025 | 3 | 9 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for distributing catalyst in counter-current reactors and methods for processing hydrocarbons3 Feb 2026US 12,540,282 B2Saudi Arabian Oil Company
- Apparatus and method for examining heterogeneously catalyzed reactions18 Nov 2025US 12,472,478 B2hte GmbH the high throughput experimentation company
- Method for flushing reactor11 Nov 2025US 12,465,961 B2Linde Aktiengesellschaft
- Methane pyrolysis using stacked fluidized beds15 Jul 2025US 12,358,788 B2ExxonMobil Technology and Engineering Company
- Gas-phase process for preparing ethylene polymers1 Oct 2024US 12,103,988 B2Basell Polyolefine GmbH
- Apparatus and process for injecting catalysts into a counter-current downer for fluidized catalytic cracking13 Aug 2026US 2026/0234479 A1King Abdullah University of Science and Technology
- Laboratory scale fluid catalytic cracking unit for co-refining bio-based feedstocks23 Jul 2026US 2026/0208139 A1
- Hydrogenation process and reaction system for a hydrogenation process9 Jul 2026US 2026/0193166 A1BASF SE
- Systems and processes for residence time control in downer reactors12 Mar 2026US 2026/0070032 A1
- System and process for converting lithium hydroxide into lithium sulfide22 Jan 2026US 2026/0022014 A1Kellogg Brown & Root LLC
Most cited
By later US patents
- Multistage moving-bed hydroprocessing reactor with separate catalyst addition and withdrawal systems for each stage, and method for hydroprocessing a hydrocarbon feed stream74US 5,916,529 AChevron U.S.A.Inc. · 1999
- Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream58US 5,492,617 A1996
- Catalyst, method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed42US 5,472,928 A1995
- Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream40US 5,660,715 AChevron U.S.A.Inc. · 1997
- Method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed38US 5,076,908 AChevron Research and Technology Company · 1991