Interphase insulating sheets with voids at annular portions for rotating electric machine, rotating electric machine, and electric compressor for vehicle
US-9853514-B2 · Dec 26, 2017 · US
Windings characterised by the shape, form or construction of the insulation
Windings characterised by the shape, form or construction of the insulation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K3/32 |
| Official title | Windings characterised by the shape, form or construction of the insulation |
| Display label | Windings characterised by the shape, form or construction of the insulation |
| Total patents | 384 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 22 |
| 2017 | 36 |
| 2018 | 33 |
| 2019 | 42 |
| 2020 | 48 |
| 2021 | 32 |
| 2022 | 43 |
| 2023 | 21 |
| 2024 | 40 |
| 2025 | 33 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compressed motor winding
US-9825497-B2 · Nov 21, 2017 · US
Stator winding heat sink configuration
US-2017331339-A1 · Nov 16, 2017 · US
Stator of motor having insulation structure for separation of stator winding groups
US-9748812-B2 · Aug 29, 2017 · US
Motor with stator core having overlapping insulator insulation film
US-9716409-B2 · Jul 25, 2017 · US
Composite electric machine
US-2017179776-A1 · Jun 22, 2017 · US
Rotating Electric Machine
US-2017163116-A1 · Jun 8, 2017 · US
Stator for electric rotary machine
US-2017141635-A1 · May 18, 2017 · US
Wedge for stator having overmolded insulation
US-9614406-B2 · Apr 4, 2017 · US
Stator for rotary electric machine and method for manufacturing the stator
US-9577498-B2 · Feb 21, 2017 · US
Stator for electric rotary machine
US-2017025907-A1 · Jan 26, 2017 · US
Slot insulation for electrical machines
US-2017012485-A1 · Jan 12, 2017 · US
Conductor wire, electric motor, and electric motor manufacturing method
US-2016380500-A1 · Dec 29, 2016 · US
Electric rotating machine
US-9531228-B2 · Dec 27, 2016 · US
Stator module with protection structure and a fan thereof
US-9523368-B2 · Dec 20, 2016 · US
Rectangular Insulated Wire, Coil And Electrical And Electronic Device
US-2016365164-A1 · Dec 15, 2016 · US
Protection structure and a fan thereof
US-9506473-B2 · Nov 29, 2016 · US
Motor, blower, and compressor
US-2016344269-A1 · Nov 24, 2016 · US
Insulated wire and method of producing the same, and rotating electrical machine and method of producing the same
US-2016329770-A1 · Nov 10, 2016 · US
Stator of motor having insulation structure for separation of stator winding groups
US-9490675-B2 · Nov 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K3/32?
- CPC H02K3/32 is the Cooperative Patent Classification code for “Windings characterised by the shape, form or construction of the insulation.”
- How many patents are filed under CPC H02K3/32 (Windings characterised by the shape, form or construction of the insulation)?
- Our database includes 384 publications tagged with this CPC code.
- Is patent activity under CPC H02K3/32 growing?
- Publication counts under this code: 40 in 2024 vs 33 in 2025 (latest complete years).