Catalyst for light hydrocarbon cracking to produce hydrogen and high value solid carbon
US-2025381559-A1 · Dec 18, 2025 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B3/30 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal process systems
US-2025367623-A1 · Dec 4, 2025 · US
Catalyst composition for the production of hydrogen
US-12465906-B2 · Nov 11, 2025 · US
Hydrocarbon pyrolysis and pyrolysis coke particle production
US-2025333309-A1 · Oct 30, 2025 · US
Hydrocarbon Pyrolysis in a Forced Circulation Reactor System
US-2025333300-A1 · Oct 30, 2025 · US
Method and apparatus for operating a vacuum interface of a mass spectrometer
US-12441611-B2 · Oct 14, 2025 · US
Catalytic cracking of light hydrocarbons to produce hydrogen and solid carbon
US-2025313461-A1 · Oct 9, 2025 · US
Catalytic cracking of light hydrocarbons to produce hydrogen and solid carbon
US-2025312760-A1 · Oct 9, 2025 · US
Alternating fixed and fluidized bed reactor systems and processes
US-12404171-B2 · Sep 2, 2025 · US
Methane pyrolysis using stacked fluidized beds
US-12358788-B2 · Jul 15, 2025 · US
Hydrocarbon pyrolysis using submicron-sized high entropy alloy catalyst for production of hydrogen
US-2025162867-A1 · May 22, 2025 · US
Method for regeneration of spent catalyst after catalytic cracking of light hydrocarbons
US-2025121361-A1 · Apr 17, 2025 · US
Methane pyrolysis for production of hydrogen
US-2025083954-A1 · Mar 13, 2025 · US
Hydrogen production apparatus, power generation system, and steelmaking system
US-2025033959-A1 · Jan 30, 2025 · US
Method and apparatus for operating a vacuum interface of a mass spectrometer
US-2024239653-A1 · Jul 18, 2024 · US
Hydrogen producing device and hydrogen producing method
US-2024208821-A1 · Jun 27, 2024 · US
Reactor and method for the pyrolysis of hydrocarbon-containing fluids
US-2024182299-A1 · Jun 6, 2024 · US
Solids-packed apparatus for performance of endothermic reactions with direct electrical heating
US-11882629-B2 · Jan 23, 2024 · US
Process for producing hydrogen and carbon products
US-11873219-B2 · Jan 16, 2024 · US
Processes and Systems for Upgrading a Hydrocarbon-Containing Feed
US-2023416622-A1 · Dec 28, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/30?
- CPC C01B3/30 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/30 (Chemistry & Metallurgy)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/30 growing?
- Publication counts under this code: 5 in 2024 vs 14 in 2025 (latest complete years).