Systems and methods for oxygen concentration with electrochemical stacks in series gas flow
US-12508541-B2 · Dec 30, 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 | C01B13/0255 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 9 |
| 2017 | 12 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas generator
US-12304810-B2 · May 20, 2025 · US
Ethylene production apparatus and ethylene production method
US-2024286976-A1 · Aug 29, 2024 · US
Systems and Methods for Oxygen Concentration with Electrochemical Stacks in Series Gas Flow
US-2023201763-A1 · Jun 29, 2023 · US
Internal combustion engine and operating method of same
US-11603810-B2 · Mar 14, 2023 · US
Gas generator
US-2022371888-A1 · Nov 24, 2022 · US
Internal combustion engine and operating method of same
US-2022178333-A1 · Jun 9, 2022 · US
OTM syngas panel with gas heated reformer
US-11136238-B2 · Oct 5, 2021 · US
Otm syngas panel with gas heated reformer
US-2021221681-A1 · Jul 22, 2021 · US
Catalyst-containing oxygen transport membrane
US-11052353-B2 · Jul 6, 2021 · US
Method and arrangement for the production and thermal compression of oxygen
US-10549994-B2 · Feb 4, 2020 · US
System including oxygen separation device
US-10458373-B2 · Oct 29, 2019 · US
Ceramic ion-selective membrane assembly
US-2019252706-A1 · Aug 15, 2019 · US
System including oxygen separation device
US-2019186436-A1 · Jun 20, 2019 · US
Apparatus and method for oxy-combustion of fuels in internal combustion engines
US-10280877-B2 · May 7, 2019 · US
Oxygen-separating device utilizing ionic oxygen motion
US-10256490-B2 · Apr 9, 2019 · US
Catalytic layer and use thereof in oxygen-permeable membranes
US-10213735-B2 · Feb 26, 2019 · US
Integrated process for oxy-fuel combustion and production of oxygen
US-10197274-B2 · Feb 5, 2019 · US
Ultra-thin, pinhole-free, flexible metal-organic films
US-10155843-B2 · Dec 18, 2018 · US
Component for oxygen enrichment, component stack, device for obtaining a fluid enriched with oxygen, metal-oxygen battery and motor vehicle
US-9899713-B2 · Feb 20, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B13/0255?
- CPC C01B13/0255 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B13/0255 (Chemistry & Metallurgy)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C01B13/0255 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).