Electric motors
US-2024171046-A1 · May 23, 2024 · US
Applying slot closure means in the cores; Manufacture of slot closure means
Applying slot closure means in the cores; Manufacture of slot closure means · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K15/13 |
| Official title | Applying slot closure means in the cores; Manufacture of slot closure means |
| Display label | Applying slot closure means in the cores; Manufacture of slot closure means |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 9 |
| 2019 | 15 |
| 2020 | 15 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary electric machine and manufacturing method for rotary electric machine
US-11183898-B2 · Nov 23, 2021 · US
Stator for a high efficiency motor and manufacturing methods thereof
US-11146156-B2 · Oct 12, 2021 · US
Electric machine with slot closers
US-11133718-B2 · Sep 28, 2021 · US
Generator rotor with coil end-turn retention mechanism
US-11038394-B2 · Jun 15, 2021 · US
Liquid cooled pole wedge
US-2021021166-A1 · Jan 21, 2021 · US
Rotary electric machine stator having deformed teeth and a plurality of bosses to secure windings
US-10840749-B2 · Nov 17, 2020 · US
Liquid cooled pole wedge
US-10833547-B2 · Nov 10, 2020 · US
Tool system for tightening retightenable wedge system in slot of generator stator core
US-10797552-B2 · Oct 6, 2020 · US
Stator assembly including stiffener and method of assembly thereof
US-2020313474-A1 · Oct 1, 2020 · US
Assembly and method for preventing axial migration of springs in generator rotors
US-10749395-B2 · Aug 18, 2020 · US
Method and stator for optimized slot base insulation
US-2020259383-A1 · Aug 13, 2020 · US
Rotor wedges with eddy current inhibitors
US-10720809-B2 · Jul 21, 2020 · US
Rotor core, rotor, and motor including same
US-10707708-B2 · Jul 7, 2020 · US
Motor with stiffened stator core, manufacturing method thereof, and washing machine including the motor
US-10673289-B2 · Jun 2, 2020 · US
Stator of an electric machine and production thereof
US-10651699-B2 · May 12, 2020 · US
Rotary electric machine
US-2020127525-A1 · Apr 23, 2020 · US
Stator for a high efficiency motor and manufacturing methods thereof
US-2020127543-A1 · Apr 23, 2020 · US
Stator for a high efficiency motor and manufacturing methods thereof
US-10547232-B2 · Jan 28, 2020 · US
Electric machine with slot closers
US-2020021159-A1 · Jan 16, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K15/13?
- CPC H02K15/13 is the Cooperative Patent Classification code for “Applying slot closure means in the cores; Manufacture of slot closure means.”
- How many patents are filed under CPC H02K15/13 (Applying slot closure means in the cores; Manufacture of slot closure means)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC H02K15/13 growing?
- Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).