Electricity supply element and ceramic separator thereof
US-2015380704-A1 · Dec 31, 2015 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M2/1646 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 647 |
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 | 61 |
| 2016 | 70 |
| 2017 | 103 |
| 2018 | 109 |
| 2019 | 128 |
| 2020 | 142 |
| 2021 | 32 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode of secondary cell including porous insulating layer, and manufacturing method thereof
US-9225012-B2 · Dec 29, 2015 · US
Center pin for secondary battery and secondary battery having the same
US-9219263-B2 · Dec 22, 2015 · US
Separator for rechargeable lithium battery and rechargeable lithium battery including the same
US-9219264-B2 · Dec 22, 2015 · US
Batteries incorporating graphene membranes for extending the cycle-life of lithium-ion batteries
US-2015364738-A1 · Dec 17, 2015 · US
Flexible porous aluminum oxide films
US-2015364739-A1 · Dec 17, 2015 · US
Non-aqueous electrolyte secondary battery and vehicle
US-9209502-B2 · Dec 8, 2015 · US
Lithium Secondary Battery
US-2015349308-A1 · Dec 3, 2015 · US
Microporous polyolefin film and separator for storage cell
US-9203072-B2 · Dec 1, 2015 · US
Porous film and secondary battery electrode
US-9202631-B2 · Dec 1, 2015 · US
Layered-double-hydroxide-oriented film and method for producing same
US-2015340680-A1 · Nov 26, 2015 · US
Micro-Porous Hybrid Film Having Electro-Chemical Stability and Method for Preparing the Same
US-2015333311-A1 · Nov 19, 2015 · US
Nonaqueous electrolyte secondary battery
US-9190668-B2 · Nov 17, 2015 · US
Ceramic coating on battery separators
US-2015325828-A1 · Nov 12, 2015 · US
Lead-acid battery separators, electrodes, batteries, and methods of manufacture and use thereof
US-2015318529-A1 · Nov 5, 2015 · US
Use of a Silica-Based Powder
US-2015303430-A1 · Oct 22, 2015 · US
Battery separator and nonaqueous electrolyte battery
US-9166251-B2 · Oct 20, 2015 · US
Separator for battery, method for manufacturing the same, and lithium secondary battery
US-9166250-B2 · Oct 20, 2015 · US
Nonwoven fabric having cross-linking material
US-9159979-B2 · Oct 13, 2015 · US
Energy storage device and method thereof
US-9147529-B2 · Sep 29, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M2/1646?
- CPC H01M2/1646 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01M2/1646 (Electricity)?
- Our database includes 647 publications tagged with this CPC code.
- Is patent activity under CPC H01M2/1646 growing?
- Publication counts under this code: 32 in 2021 vs 2 in 2022 (latest complete years).