Bismuth-based chloride-storage electrodes
US-2019382288-A1 · Dec 19, 2019 · US
Dialytic cells or batteries; Reverse electrodialysis cells or batteries
Dialytic cells or batteries; Reverse electrodialysis cells or batteries · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/227 |
| Official title | {Dialytic cells or batteries; Reverse electrodialysis cells or batteries} |
| Display label | Dialytic cells or batteries; Reverse electrodialysis cells or batteries |
| Total patents | 123 |
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 | 12 |
| 2017 | 11 |
| 2018 | 8 |
| 2019 | 18 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Medical implants powered by reverse electrodialysis
US-2019374780-A1 · Dec 12, 2019 · US
Ion conductive spacer, preparing process thereof and electrodialysis reversal stack
US-2019358589-A1 · Nov 28, 2019 · US
Method and apparatus for energy conversion using microfluidic channel array with hierarchical structure
US-10439519-B2 · Oct 8, 2019 · US
Bismuth-based chloride-storage electrodes
US-10414674-B2 · Sep 17, 2019 · US
Electrochemical desalination system
US-2019240623-A1 · Aug 8, 2019 · US
Electrochemical liquid desiccant regeneration system
US-2019240614-A1 · Aug 8, 2019 · US
Osmotic power generator
US-2019226463-A1 · Jul 25, 2019 · US
Electro-controllable ion exchange membrane
US-2019193029-A1 · Jun 27, 2019 · US
Ion exchange membranes containing inorganic particles
US-2019153176-A1 · May 23, 2019 · US
Curable compositions and membranes
US-10279319-B2 · May 7, 2019 · US
Ion-exchange polymer and production method therefor, electrolyte membrane and production method therefor, and composition for producing ion-exchange polymer
US-10279342-B2 · May 7, 2019 · US
Self-humidifying membrane for reverse electrodialysis and method for manufacturing same
US-2019126212-A1 · May 2, 2019 · US
Method and apparatus for energy conversion using microfluidic channel array with hierarchical structure
US-2019115854-A1 · Apr 18, 2019 · US
Ion exchange membranes containing inorganic particles
US-10221289-B2 · Mar 5, 2019 · US
Anaerobic Aluminum-Water Electrochemical Cell
US-2019020086-A1 · Jan 17, 2019 · US
Anaerobic Aluminum-Water Electrochemical Cell
US-2019020085-A1 · Jan 17, 2019 · US
Electricity generation
US-10177396-B2 · Jan 8, 2019 · US
Device for Producing Energy by Salinity Gradient Through Titanium Oxide Nanofluid Membranes
US-2018353906-A1 · Dec 13, 2018 · US
Functional polymer membrane and method for producing same
US-10040916-B2 · Aug 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/227?
- CPC H01M8/227 is the Cooperative Patent Classification code for “Dialytic cells or batteries; Reverse electrodialysis cells or batteries.”
- How many patents are filed under CPC H01M8/227 (Dialytic cells or batteries; Reverse electrodialysis cells or batteries)?
- Our database includes 123 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/227 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).