B01J 8/003
In a downward flow
Official title: {in a downward flow}
B01J8/003 (In a downward flow) appears on 667 US grants and 520 published applications in this corpus.
Search patents in B01J- Granted patents
- 667
- Published applications
- 520
- Assignees
- 354
- Inventors
- 1,465
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 16 | 0 |
| 1983 | 14 | 0 |
| 1984 | 12 | 0 |
| 1985 | 11 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 18 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 8 |
| 2002 | 17 | 20 |
| 2003 | 8 | 19 |
| 2004 | 15 | 27 |
| 2005 | 14 | 13 |
| 2006 | 14 | 15 |
| 2007 | 8 | 28 |
| 2008 | 13 | 18 |
| 2009 | 11 | 20 |
| 2010 | 30 | 34 |
| 2011 | 23 | 26 |
| 2012 | 20 | 19 |
| 2013 | 17 | 12 |
| 2014 | 24 | 17 |
| 2015 | 18 | 22 |
| 2016 | 25 | 32 |
| 2017 | 17 | 16 |
| 2018 | 17 | 18 |
| 2019 | 19 | 18 |
| 2020 | 14 | 32 |
| 2021 | 21 | 19 |
| 2022 | 19 | 25 |
| 2023 | 19 | 12 |
| 2024 | 16 | 17 |
| 2025 | 14 | 16 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Repurposing fluidized catalytic cracking (FCC) systems to generate renewable fuel intermediate compositions6 Oct 2026US 12,753,350 B2Chevron U.S.A.Inc.
- Metering hoppers and related methods11 Aug 2026US 12,702,962 B2Massachusetts Institute of Technology
- Filling device for dense loading of a chemical reactor16 Jun 2026US 12,654,145 B1T.I.M.E. Service Catalyst Handling GmbH
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging21 Apr 2026US 12,605,764 B2Ohio State Innovation Foundation
- Device for filling a container with particulate material10 Mar 2026US 12,570,487 B2T.I.M.E. Service Catalyst Handling GmbH
- Continuous fluidized-bed, flash joule heating reactor and method for halogenation of metal-containing feeds1 Oct 2026US 2026/0295549 A1Flash Metals USA Inc.
- 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
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging30 Jul 2026US 2026/0216789 A1Ohio State Innovation Foundation
- Apparatus for supplying a catalyst slurry16 Jul 2026US 2026/0199859 A1Ineos Europe AG
- System and methods configured to enable improved/optimised control of a hydrocarbon pyrolysis process16 Jul 2026US 2026/0199860 A1Hazer Group Ltd.
Most cited
By later US patents
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- Method for top-charging solid waste into a molten metal bath115US 5,491,279 AMolten Metal Technology, Inc. · 1996
- Method and apparatus for top-charging solid waste into a molten metal bath113US 5,571,486 AMolten Metal Technology, Inc. · 1996
- Fluidized bed discharge process94US 4,621,952 AUnion Carbide Corporation · 1986
- High condensing mode polyolefin production under turbulent conditions in a fluidized bed90US 6,391,985 B1Union Carbide Chemicals & Plastics Technology Corporation · 2002