Chip form ultracapacitor
US-12165808-B2 · Dec 10, 2024 · US
Separators
Separators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G11/52 |
| Official title | Separators |
| Display label | Separators |
| Total patents | 1,339 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 116 |
| 2016 | 111 |
| 2017 | 138 |
| 2018 | 123 |
| 2019 | 133 |
| 2020 | 144 |
| 2021 | 104 |
| 2022 | 120 |
| 2023 | 105 |
| 2024 | 114 |
| 2025 | 102 |
| 2026 | 29 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium Ion Capacitor
US-2015371788-A1 · Dec 24, 2015 · US
Electricity Storing/Discharging Device With Multiple-Layer Package Structure Having Electrode Plate Pair With Multiple-Sided Electric Conductive Terminals Converted Into Single Input/Output Electric Conductive Interface
US-2015372282-A1 · Dec 24, 2015 · US
Housing, in particular for a biofuel cell
US-9219286-B2 · Dec 22, 2015 · US
Anion conducting material and cell
US-2015364790-A1 · Dec 17, 2015 · US
Method for drying separator for non-aqueous electric storage device and method for manufacturing electric storage apparatus
US-2015364737-A1 · Dec 17, 2015 · US
Printable Ionic Gel Separation Layer For Energy Storage Devices
US-2015357125-A1 · Dec 10, 2015 · US
Laser-perforated porous solid-state films and applications thereof
US-9209443-B2 · Dec 8, 2015 · US
Electrochemical energy storage devices
US-2015346573-A1 · Dec 3, 2015 · US
Electrochemical Device and Method of Making the Same
US-2015349313-A1 · Dec 3, 2015 · US
Separator, electrode element, electric energy storage device and method for producing separator
US-2015340679-A1 · Nov 26, 2015 · US
Supercapacitor Having A Circuit Board Defining An Electrolyte Chamber
US-2015332867-A1 · Nov 19, 2015 · US
Hybrid energy storage device
US-2015332860-A1 · Nov 19, 2015 · US
Electric storage element
US-9190650-B2 · Nov 17, 2015 · US
Microporous membrane winding and method for manufacturing the same
US-9184429-B2 · Nov 10, 2015 · US
Microporous laminated membrane and method for producing the same
US-2015306539-A1 · Oct 29, 2015 · US
Electrochemical flow capacitors
US-9171679-B2 · Oct 27, 2015 · US
High energy density asymmetric pseudocapacitor and method of making the same
US-2015302999-A1 · Oct 22, 2015 · US
Separator having binder layer, and electrochemical device comprising the separator and method of preparing the separator
US-2015303003-A1 · Oct 22, 2015 · US
Method of purifying carbon nanotubes and applications thereof
US-9156698-B2 · Oct 13, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G11/52?
- CPC H01G11/52 is the Cooperative Patent Classification code for “Separators.”
- How many patents are filed under CPC H01G11/52 (Separators)?
- Our database includes 1,339 publications tagged with this CPC code.
- Is patent activity under CPC H01G11/52 growing?
- Publication counts under this code: 114 in 2024 vs 102 in 2025 (latest complete years).