Pouch-Shaped Battery Cell Configured Such that Replenishment of Electrolytic Solution is Possible
US-2023307807-A1 · Sep 28, 2023 · US
Pressure control
Pressure control · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M50/618 |
| Official title | Pressure control |
| Display label | Pressure control |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 16 |
| 2023 | 20 |
| 2024 | 23 |
| 2025 | 32 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing secondary battery
US-2023282951-A1 · Sep 7, 2023 · US
Manufacturing method of secondary battery
US-2023170594-A1 · Jun 1, 2023 · US
Battery case, battery, battery pack, battery module, and vehicle
US-2023099141-A1 · Mar 30, 2023 · US
Battery and battery apparatus
US-11611134-B2 · Mar 21, 2023 · US
Battery and battery apparatus
US-2022367995-A1 · Nov 17, 2022 · US
End cover assembly, housing assembly, battery cell, battery, and electric equipment
US-2022367996-A1 · Nov 17, 2022 · US
All-solid-state battery control system
US-2022336851-A1 · Oct 20, 2022 · US
Box of battery, battery, power consumption device, and method and apparatus for producing box
US-2022320696-A1 · Oct 6, 2022 · US
Method for manufacturing secondary battery and secondary battery assembly
US-2022294092-A1 · Sep 15, 2022 · US
Liquid injection device and liquid injection method
US-2022285806-A1 · Sep 8, 2022 · US
Method for Producing Non-Aqueous Alkali Metal Electricity Storage Element
US-2022190380-A1 · Jun 16, 2022 · US
Method for producing a battery
US-2022181757-A1 · Jun 9, 2022 · US
Electrochemical cell cap
US-11342615-B2 · May 24, 2022 · US
Method for producing nonaqueous electrolyte secondary battery
US-2022158252-A1 · May 19, 2022 · US
Apparatus and method for manufacturing battery cell
US-11335941-B2 · May 17, 2022 · US
End cover assembly, battery cell, battery, power consumption device and liquid injection method
US-2022131218-A1 · Apr 28, 2022 · US
Secondary Battery Module with Active Pressure Pad
US-2022077550-A1 · Mar 10, 2022 · US
Device for battery formation
US-11251468-B2 · Feb 15, 2022 · US
Battery, and related device, preparation method and preparation apparatus thereof
US-2022013849-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M50/618?
- CPC H01M50/618 is the Cooperative Patent Classification code for “Pressure control.”
- How many patents are filed under CPC H01M50/618 (Pressure control)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC H01M50/618 growing?
- Publication counts under this code: 23 in 2024 vs 32 in 2025 (latest complete years).