Systems and methods for chromium catalyst activation
US-12421331-B2 · Sep 23, 2025 · US
using hot gas streams in which the material is moved
using hot gas streams in which the material is moved · 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 | B01J6/004 |
| Official title | {using hot gas streams in which the material is moved} |
| Display label | using hot gas streams in which the material is moved |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a catalytically active multi-element oxide containing the elements Mo, W, V and Cu
US-12343708-B2 · Jul 1, 2025 · US
Systems and methods for chromium catalyst activation
US-2025154298-A1 · May 15, 2025 · US
Gypsum Calcining Apparatuses and Methods
US-2025153124-A1 · May 15, 2025 · US
Process for producing lithiated transition metal oxides
US-2024076201-A1 · Mar 7, 2024 · US
Process for producing lithiated transition metal oxides
US-11905184-B2 · Feb 20, 2024 · US
Pre-Stabilisation Reactor and System
US-2024042411-A1 · Feb 8, 2024 · US
Processes for quantitative calcium sulfate phase analysis and uses thereof
US-2024025807-A1 · Jan 25, 2024 · US
Calcination of microporous molecular sieve catalysts
US-11701645-B2 · Jul 18, 2023 · US
Biomass Direct Reduced Iron
US-2023203606-A1 · Jun 29, 2023 · US
Reactor and method for conversion of a carbonaceous material
US-2023173448-A1 · Jun 8, 2023 · US
Manufacturing of carbon-containing particles
US-2023159333-A1 · May 25, 2023 · US
Method for producing a catalytically active multi-element oxide containing the elements mo, w, v and cu
US-2023144424-A1 · May 11, 2023 · US
Reactor for carbon nanotube and nanofiber production
US-11629056-B2 · Apr 18, 2023 · US
Calcination apparatus and process using hydrogen
US-2023064514-A1 · Mar 2, 2023 · US
Apparatus and method for treating gypsum
US-11512019-B2 · Nov 29, 2022 · US
Heat treatment method of waste cathode materials and lithium recovery method using same
US-2022340439-A1 · Oct 27, 2022 · US
Reactor for carbon nanotube and nanofiber production
US-2022185670-A1 · Jun 16, 2022 · US
Visible-light response hybrid aerogel and preparation method and application thereof in waste gas processing
US-11325115-B2 · May 10, 2022 · US
Calcination of Microporous Molecular Sieve Catalysts
US-2021394163-A1 · Dec 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J6/004?
- CPC B01J6/004 is the Cooperative Patent Classification code for “using hot gas streams in which the material is moved.”
- How many patents are filed under CPC B01J6/004 (using hot gas streams in which the material is moved)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC B01J6/004 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).