B01J 8/388
Externally, i.e. the particles leaving the vessel and subsequently re-entering it
Official title: {externally, i.e. the particles leaving the vessel and subsequently re-entering it}
B01J8/388 (Externally, i.e. the particles leaving the vessel and subsequently re-entering it) appears on 314 US grants and 257 published applications in this corpus.
Search patents in B01J- Granted patents
- 314
- Published applications
- 257
- Assignees
- 180
- Inventors
- 802
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 3 |
| 2002 | 8 | 6 |
| 2003 | 5 | 9 |
| 2004 | 6 | 11 |
| 2005 | 8 | 8 |
| 2006 | 5 | 12 |
| 2007 | 5 | 11 |
| 2008 | 5 | 7 |
| 2009 | 6 | 7 |
| 2010 | 13 | 10 |
| 2011 | 9 | 9 |
| 2012 | 9 | 7 |
| 2013 | 4 | 18 |
| 2014 | 8 | 16 |
| 2015 | 16 | 9 |
| 2016 | 10 | 16 |
| 2017 | 9 | 11 |
| 2018 | 11 | 13 |
| 2019 | 9 | 5 |
| 2020 | 9 | 4 |
| 2021 | 5 | 8 |
| 2022 | 11 | 18 |
| 2023 | 10 | 13 |
| 2024 | 5 | 12 |
| 2025 | 8 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methanation reaction device using endothermic reaction for removal of reaction heat and regeneration process for heat-absorbing material21 Apr 2026US 12,605,687 B2
- Methods for distributing catalyst in counter-current reactors and methods for processing hydrocarbons3 Feb 2026US 12,540,282 B2Saudi Arabian Oil Company
- Apparatus for mixing in catalytic cracker reactor2 Dec 2025US 12,485,398 B2Shell USA, Inc.
- Bed material for thermolytic fragmentation of sugars1 Jul 2025US 12,344,576 B2Haldor TopsøE A/S
- Nozzles for reduced coking and plugging in high temperature operations4 Mar 2025US 12,239,969 B2Alliance for Sustainable Energy, LLC
- Laboratory scale fluid catalytic cracking unit for co-refining bio-based feedstocks23 Jul 2026US 2026/0208139 A1
- Methods for dehydrogenating hydrocarbons utilizing combustion units26 Mar 2026US 2026/0085023 A1Dow Global Technologies LLC
- Self-heat-balanced hsfcc systems and processes for upgrading hydrocarbon feeds19 Mar 2026US 2026/0078309 A1Saudi Arabian Oil Company
- Methods for processing hydrocarbons5 Mar 2026US 2026/0062624 A1King Abdullah University of Science and Technology
- Catalytic cracking of light hydrocarbons to produce hydrogen and solid carbon9 Oct 2025US 2025/0312760 A1
Most cited
By later US patents
- Method and apparatus for producing carbon nanotubes180US 6,413,487 B1The Board of Regents of the University of Oklahoma · 2002
- Process for gas phase polymerization of olefins in a fluidized bed reactor151US 4,882,400 ABP Chemicals Limited · 1989
- Process for burning carbonaceous materials94US 4,165,717 AMetallgesellschaft Aktiengesellschaft · 1979
- Two-zone fluid bed combustion or gasification process86US 4,154,581 ABattelle Development Corporation · 1979
- Method and apparatus for producing carbon nanotubes79US 6,955,800 B2The Board of Regents of the University of Oklahoma · 2005