Environment-friendly battery
US-2018309120-A1 · Oct 25, 2018 · US
Cells with aqueous electrolyte
Cells with aqueous electrolyte · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M6/04 |
| Official title | Cells with aqueous electrolyte |
| Display label | Cells with aqueous electrolyte |
| Total patents | 212 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 19 |
| 2017 | 21 |
| 2018 | 25 |
| 2019 | 21 |
| 2020 | 32 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Alkaline battery separator
US-2018269450-A1 · Sep 20, 2018 · US
Silicone epoxy ether compositions, methods for making same and uses therefor
US-9923243-B2 · Mar 20, 2018 · US
Ingestible, electrical device for oral delivery of a substance
US-9884011-B2 · Feb 6, 2018 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices
US-2017322429-A1 · Nov 9, 2017 · US
Beta-delithiated layered nickel oxide electrochemically active cathode material and a battery including said material
US-9793542-B2 · Oct 17, 2017 · US
Battery including beta-delithiated layered nickel oxide electrochemically active cathode material
US-9793543-B2 · Oct 17, 2017 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices with electroless sealing layers
US-2017293164-A1 · Oct 12, 2017 · US
Biocompatible rechargable energization elements for biomedical devices with electroless sealing layers
US-2017288196-A1 · Oct 5, 2017 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices
US-2017276964-A1 · Sep 28, 2017 · US
Low-profile battery construct with engineered interfaces
US-2017256759-A1 · Sep 7, 2017 · US
Methods and apparatus to form biocompatible energization primary elements for biomedical devices
US-9746695-B2 · Aug 29, 2017 · US
Method for manufacturing a biocompatible cathode slurry for use in biocompatible batteries for a contact lens
US-2017229730-A1 · Aug 10, 2017 · US
Magnetic device for producing electrolyte flow in battery systems
US-9728767-B2 · Aug 8, 2017 · US
Protected active metal electrodes
US-2017214055-A1 · Jul 27, 2017 · US
Micro battery design and diagnosis
US-2017179549-A1 · Jun 22, 2017 · US
Micro battery design and diagnosis
US-2017176542-A1 · Jun 22, 2017 · US
Metal-doped nickel oxide active materials
US-2017110727-A1 · Apr 20, 2017 · US
Cylindrical alkaline storage battery
US-9627657-B2 · Apr 18, 2017 · US
Micro battery design and diagnosis
US-9620824-B1 · Apr 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M6/04?
- CPC H01M6/04 is the Cooperative Patent Classification code for “Cells with aqueous electrolyte.”
- How many patents are filed under CPC H01M6/04 (Cells with aqueous electrolyte)?
- Our database includes 212 publications tagged with this CPC code.
- Is patent activity under CPC H01M6/04 growing?
- Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).