Tube with slot closure wedges for sealing the winding regions in electric machines with a direct slot cooling function
US-12500465-B2 · Dec 16, 2025 · US
Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings
Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K15/38 |
| Official title | Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings |
| Display label | Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings |
| Total patents | 38 |
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 | 2 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric machine
US-12176765-B2 · Dec 24, 2024 · US
Integrated components for vehicles
US-2024413679-A1 · Dec 12, 2024 · US
End coil cooling device
US-2024321501-A1 · Sep 26, 2024 · US
Method for producing a stator for an electric machine
US-12062960-B2 · Aug 13, 2024 · US
Stator for an electric machine, electric machine, stator cooling system, and method for cooling a stator
US-2024223027-A1 · Jul 4, 2024 · US
Tube with slot closure wedges for sealing the winding regions in electric machines with a direct slot cooling function
US-2023378836-A1 · Nov 23, 2023 · US
Apparatus for cooling coil of motor
US-11824402-B2 · Nov 21, 2023 · US
Stator for drive motor
US-11605999-B2 · Mar 14, 2023 · US
Electric machine
US-2023064259-A1 · Mar 2, 2023 · US
System and method for repairing a generator main lead
US-11594928-B2 · Feb 28, 2023 · US
Stator winding, generator, and connection method of stator winding conductor
US-11502566-B2 · Nov 15, 2022 · US
System and method for repairing a generator main lead
US-2022247247-A1 · Aug 4, 2022 · US
Method for repairing solder joint leakages and welding or soldering apparatus for carrying out the method
US-2022166293-A1 · May 26, 2022 · US
Stator for drive motor
US-2021399605-A1 · Dec 23, 2021 · US
Water chamber cover for a water cooling system of an electric machine
US-2021359576-A1 · Nov 18, 2021 · US
Hollow metal part of stator of rotating electrical machine, rotating electrical machine, and manufacturing process of hollow metal part
US-11121591-B2 · Sep 14, 2021 · US
Apparatus for cooling coil of motor
US-2021226487-A1 · Jul 22, 2021 · US
Method for repairing solder joint leakages
US-2021044183-A1 · Feb 11, 2021 · US
Assembly and method for connecting ends of generator stator coils with manifold
US-10840782-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K15/38?
- CPC H02K15/38 is the Cooperative Patent Classification code for “Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings.”
- How many patents are filed under CPC H02K15/38 (Manufacturing or repairing cooling fluid boxes, e.g. ensuring both electrical and fluid connection of terminals of fluid cooled windings)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H02K15/38 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).