Stator for electric rotating machine
US-10158262-B2 · Dec 18, 2018 · US
Magnetic cores comprising laminations characterised by being fastened by caulking
Magnetic cores comprising laminations characterised by being fastened by caulking · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K2201/09 |
| Official title | Magnetic cores comprising laminations characterised by being fastened by caulking |
| Display label | Magnetic cores comprising laminations characterised by being fastened by caulking |
| Total patents | 289 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 19 |
| 2017 | 20 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 37 |
| 2021 | 38 |
| 2022 | 39 |
| 2023 | 25 |
| 2024 | 29 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for manufacturing high temperature laminated stator cores
US-10097054-B2 · Oct 9, 2018 · US
Reluctance motor and associated rotor
US-10090719-B2 · Oct 2, 2018 · US
Stator of a rotary electrical machine with an optimised filling proportion
US-2018248418-A1 · Aug 30, 2018 · US
Laminate and method for manufacturing the same and method for manufacturing laminated core
US-10033232-B2 · Jul 24, 2018 · US
Fixing resin composition, rotor, automobile, and method of manufacturing rotor
US-9997968-B2 · Jun 12, 2018 · US
Rotor for rotory electric machine and manufacturing method
US-2017353067-A1 · Dec 7, 2017 · US
Method of manufacturing a lamination stack for use in an electrical machine
US-2017338699-A1 · Nov 23, 2017 · US
Process For The Formation Of A Stack Of Superposed Metallic Laminations
US-2017338703-A1 · Nov 23, 2017 · US
Process For The Formation Of A Stack Of Superposed Metallic Laminations
US-2017338704-A1 · Nov 23, 2017 · US
Synchronous reluctance motor having radial-direction widths slit configuration on a q-axis for improved power factor
US-9825515-B2 · Nov 21, 2017 · US
Rotor for motor, and motor
US-2017317544-A1 · Nov 2, 2017 · US
Method for manufacturing magnet-conductive device and glue-injectable punch structure thereof
US-9780629-B2 · Oct 3, 2017 · US
Process for the formation of a stack of superposed metallic laminations
US-9768653-B2 · Sep 19, 2017 · US
Rotor assembly of an electric motor
US-2017244292-A1 · Aug 24, 2017 · US
Laminated core for motor and method for manufacturing the same
US-9705386-B2 · Jul 11, 2017 · US
Electric compressor for vehicle
US-9698644-B2 · Jul 4, 2017 · US
Stator and motor having same
US-2017179775-A1 · Jun 22, 2017 · US
Rotary electric machine and stator of rotary electric machine
US-2017085139-A1 · Mar 23, 2017 · US
Method for manufacturing laminated core for motor
US-2017077789-A1 · Mar 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K2201/09?
- CPC H02K2201/09 is the Cooperative Patent Classification code for “Magnetic cores comprising laminations characterised by being fastened by caulking.”
- How many patents are filed under CPC H02K2201/09 (Magnetic cores comprising laminations characterised by being fastened by caulking)?
- Our database includes 289 publications tagged with this CPC code.
- Is patent activity under CPC H02K2201/09 growing?
- Publication counts under this code: 29 in 2024 vs 17 in 2025 (latest complete years).