Oxygen-enriched combustion for natural gas combined cycle operation
US-2024017204-A1 · Jan 18, 2024 · US
in electrochemical cells
in electrochemical cells · 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 | B01D53/326 |
| Official title | {in electrochemical cells} |
| Display label | in electrochemical cells |
| Total patents | 543 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 21 |
| 2017 | 29 |
| 2018 | 36 |
| 2019 | 48 |
| 2020 | 62 |
| 2021 | 49 |
| 2022 | 56 |
| 2023 | 76 |
| 2024 | 76 |
| 2025 | 68 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Porous medium with adjustable fluid permeability and associated systems and methods
US-11872525-B2 · Jan 16, 2024 · US
Electrochemical Compression of Ammonia Using Ion Exchange Membranes
US-2017362720-A1 · Dec 21, 2017 · US
Gas diffusion layer and electrochemical hydrogen pump
US-2017362718-A1 · Dec 21, 2017 · US
System for syngas clean-up of semi-volatile organic compounds
US-9845240-B2 · Dec 19, 2017 · US
Electrochemical hydrogen pump
US-2017350021-A1 · Dec 7, 2017 · US
On-board vehicle inert gas generation system
US-2017341019-A1 · Nov 30, 2017 · US
Methods of purifying a hydrogen gas stream containing hydrogen sulfide impurities
US-9806365-B2 · Oct 31, 2017 · US
System for syngas clean-up
US-9783417-B2 · Oct 10, 2017 · US
Generation of high pressure oxygen via electrochemical pumping in a multi-stage electrolysis stack
US-9776130-B1 · Oct 3, 2017 · US
Method for manufacturing tubular co-electrolysis cell
US-2017275769-A1 · Sep 28, 2017 · US
Processing device for metal materials
US-2017239730-A1 · Aug 24, 2017 · US
Electrochemical hydrogen pump
US-2017233878-A1 · Aug 17, 2017 · US
Methods and systems for carrying out a ph-influenced chemical and/or biological reaction
US-2017209846-A1 · Jul 27, 2017 · US
Membrane-electrode assembly, reactor comprising the membrane-electrode assembly and process for separating off hydrogen
US-2017204525-A1 · Jul 20, 2017 · US
Method for syngas clean-up of semi-volatile organic compounds with solids removal
US-2017152139-A1 · Jun 1, 2017 · US
Method for syngas clean-up of semi-volatile organic compounds with carbonyl sulfide removal
US-2017152140-A1 · Jun 1, 2017 · US
Epitaxial thin film solid crystal electrolyte including lithium
US-9649593-B2 · May 16, 2017 · US
Electrochemical process for gas separation
US-2017113182-A1 · Apr 27, 2017 · US
Aircraft fuel tank ullage gas management system
US-9623981-B2 · Apr 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/326?
- CPC B01D53/326 is the Cooperative Patent Classification code for “in electrochemical cells.”
- How many patents are filed under CPC B01D53/326 (in electrochemical cells)?
- Our database includes 543 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/326 growing?
- Publication counts under this code: 76 in 2024 vs 68 in 2025 (latest complete years).