Method for arranging a packing in a burner and burner basket for a burner
US-2017348660-A1 · Dec 7, 2017 · US
Two or more types of catalyst
Two or more types of catalyst · 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 | B01J2208/025 |
| Official title | Two or more types of catalyst |
| Display label | Two or more types of catalyst |
| Total patents | 299 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 22 |
| 2017 | 32 |
| 2018 | 30 |
| 2019 | 24 |
| 2020 | 41 |
| 2021 | 32 |
| 2022 | 24 |
| 2023 | 20 |
| 2024 | 22 |
| 2025 | 23 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Olefin conversion process
US-9809513-B2 · Nov 7, 2017 · US
Catalyst reactor basket
US-9802173-B2 · Oct 31, 2017 · US
Beta-Mercaptoethanol Synthesis
US-2017291873-A1 · Oct 12, 2017 · US
Reactor and temperature control method thereof
US-2017282149-A1 · Oct 5, 2017 · US
Abnormal temperature detection for fixed bed reactors
US-2017253815-A1 · Sep 7, 2017 · US
Olefin oxidation process, reaction apparatus and system
US-2017226429-A1 · Aug 10, 2017 · US
Apparatus for producing trichlorosilane and method for producing trichlorosilane
US-9724665-B2 · Aug 8, 2017 · US
Method and system for producing an olefin
US-2017217853-A1 · Aug 3, 2017 · US
Beta-mercaptoethanol synthesis
US-9718767-B2 · Aug 1, 2017 · US
Process Comprising Two Reaction Zones And Apparatus Therefore
US-2017173548-A1 · Jun 22, 2017 · US
Catalyst for alcohol synthesis, apparatus for producing alcohol and method for producing alcohol
US-9656931-B2 · May 23, 2017 · US
Catalytic system for catalytic partial oxidation processes with a short contact time
US-9630168-B2 · Apr 25, 2017 · US
Olefin conversion process
US-9598331-B2 · Mar 21, 2017 · US
Ethylene-to-liquids systems and methods
US-2016368834-A1 · Dec 22, 2016 · US
Method of loading a vessel
US-2016355399-A1 · Dec 8, 2016 · US
Process for Olefin Production by Metathesis and Reactor System Therefor
US-2016318830-A1 · Nov 3, 2016 · US
Filtering distributor plate for supplying a fixed bed reactor having a co-current downflow of gas and liquid for the treatment of heavy clogging feeds
US-9480957-B2 · Nov 1, 2016 · US
Shell and tube oxidation reactor with improved resistance to fouling
US-2016303532-A1 · Oct 20, 2016 · US
Oxidative coupling of methane systems and methods
US-9469577-B2 · Oct 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2208/025?
- CPC B01J2208/025 is the Cooperative Patent Classification code for “Two or more types of catalyst.”
- How many patents are filed under CPC B01J2208/025 (Two or more types of catalyst)?
- Our database includes 299 publications tagged with this CPC code.
- Is patent activity under CPC B01J2208/025 growing?
- Publication counts under this code: 22 in 2024 vs 23 in 2025 (latest complete years).