Chemical synthesis and synthesis reactors
US-10562003-B2 · Feb 18, 2020 · US
the one above the other
the one above the other · 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 | B01J8/28 |
| Official title | the one above the other |
| Display label | the one above the other |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 18 |
| 2017 | 9 |
| 2018 | 15 |
| 2019 | 13 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for start-up of a multizone circulating reactor
US-10471407-B2 · Nov 12, 2019 · US
FCC high efficiency partial burn regenerator
US-10399075-B2 · Sep 3, 2019 · US
Reaction-regeneration device and process for alkane dehydrogenation to alkene
US-10343128-B2 · Jul 9, 2019 · US
Process and apparatus for fluidizing a catalyst bed
US-2019193040-A1 · Jun 27, 2019 · US
Method and device for chemical loop combustion of liquid hydrocarbon feedstocks
US-10317072-B2 · Jun 11, 2019 · US
Reaction-regeneration device and process for alkane dehydrogenation to alkene
US-10307721-B2 · Jun 4, 2019 · US
Reaction-regeneration device and process for alkane dehydrogenation to alkene
US-2019134590-A1 · May 9, 2019 · US
Fluidized bed solid circulation system using pressure and density difference, fluidized bed reaction system having the same and solid circulation method
US-10272408-B1 · Apr 30, 2019 · US
Chemical looping systems for conversion of low- and no-carbon fuels to hydrogen
US-2019119107-A1 · Apr 25, 2019 · US
Catalytic Cracking Process with Increased Production of a Gasoline Having a Low Olefin Content and a High Octane number
US-2019093028-A1 · Mar 28, 2019 · US
FCC counter-current regenerator with a regenerator riser
US-10239054-B2 · Mar 26, 2019 · US
Method for producing polyolefin
US-2019062463-A1 · Feb 28, 2019 · US
Method for producing polyolefin and polyolefin production system
US-2019062465-A1 · Feb 28, 2019 · US
Methods for producing aromatics and olefins
US-2018327676-A1 · Nov 15, 2018 · US
Fcc counter-current regenerator
US-2018318821-A1 · Nov 8, 2018 · US
Method for fluidizing spent catalyst
US-2018320891-A1 · Nov 8, 2018 · US
Reaction-regeneration device and process for alkane dehydrogenation to alkene
US-2018280909-A1 · Oct 4, 2018 · US
Fcc high efficiency partial burn regenerator
US-2018280964-A1 · Oct 4, 2018 · US
Circulating fluidized bed with moving bed downcomers and gas sealing between reactors
US-10010847-B2 · Jul 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J8/28?
- CPC B01J8/28 is the Cooperative Patent Classification code for “the one above the other.”
- How many patents are filed under CPC B01J8/28 (the one above the other)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC B01J8/28 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).