Fixed bed or moving bed reactors with a radial flow of process stream to be treated, comprising improved internals
US-2018369774-A1 · Dec 27, 2018 · US
moved by gravity in a downward flow
moved by gravity in a downward flow · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J8/12 |
| Official title | moved by gravity in a downward flow |
| Display label | moved by gravity in a downward flow |
| Total patents | 143 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 20 |
| 2017 | 12 |
| 2018 | 19 |
| 2019 | 18 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 14 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for fuel conversion
US-10144640-B2 · Dec 4, 2018 · US
Ethylene-to-liquids systems and methods
US-2018305273-A1 · Oct 25, 2018 · US
Moving bed catalytic reactor for managing interruptions to the circulation of catalyst, and process using said reactor
US-10071356-B2 · Sep 11, 2018 · US
Staggered fired heater manifolds
US-10041012-B2 · Aug 7, 2018 · US
Device allowing the temporary storage and putting back into circulation of a certain quantity of catalyst in catalytic reforming installations
US-2018169601-A1 · Jun 21, 2018 · US
System and method for preventing catalyst from overheating
US-9963400-B2 · May 8, 2018 · US
Apparatus for impinging bulk material with accelerated electrons
US-9949425-B2 · Apr 24, 2018 · US
Hybrid indirect/direct contactor for thermal management of counter-current processes
US-9920964-B2 · Mar 20, 2018 · US
Ultra low pressure continuous catalyst transfer with lock hopper
US-2018043326-A1 · Feb 15, 2018 · US
Inclined bed reactor permitting a small quantity of catalyst to be employed
US-2018036701-A1 · Feb 8, 2018 · US
Reactor multi-pass grids for improved catalyst hydrodynamics
US-9873641-B2 · Jan 23, 2018 · US
Radial bed reactor allowing the use of a small quantity of catalyst
US-2017313950-A1 · Nov 2, 2017 · US
Catalyst Support, Recycle Reactor and Method for Releasing Hydrogen
US-2017283258-A1 · Oct 5, 2017 · US
Activation of Waste Metal Oxide as an Oxygen Carrier for Chemical Looping Combustion Applications
US-2017259240-A1 · Sep 14, 2017 · US
System and method for preventing catalyst from overheating
US-9725374-B2 · Aug 8, 2017 · US
Device and method for preparing oxygen-containing liquid fuel by bio-oil catalytic conversion
US-9725653-B2 · Aug 8, 2017 · US
Regenerator for catalysts
US-9708551-B2 · Jul 18, 2017 · US
Dual Bed Pyrolysis System and Method
US-2017189877-A1 · Jul 6, 2017 · US
Reduced-capacity moving-bed reactor with radial flow of the feedstock
US-2017173549-A1 · Jun 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J8/12?
- CPC B01J8/12 is the Cooperative Patent Classification code for “moved by gravity in a downward flow.”
- How many patents are filed under CPC B01J8/12 (moved by gravity in a downward flow)?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC B01J8/12 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).