Stator for electric rotary machine
US-2017346369-A1 · Nov 30, 2017 · US
by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K9/10 |
| Official title | by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing |
| Display label | by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing |
| Total patents | 332 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 22 |
| 2017 | 33 |
| 2018 | 37 |
| 2019 | 41 |
| 2020 | 21 |
| 2021 | 30 |
| 2022 | 33 |
| 2023 | 27 |
| 2024 | 40 |
| 2025 | 23 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Strain wave gearing with built-in motor
US-2017338718-A1 · Nov 23, 2017 · US
Electric rotating machine and manufacturing method for electric rotating machine
US-2017310197-A1 · Oct 26, 2017 · US
Magnetic field generating device and superconducting rotary machine comprising magnetic field generating device
US-9799434-B2 · Oct 24, 2017 · US
Stator assembly for an electric generator with accommodation space
US-2017288500-A1 · Oct 5, 2017 · US
Power tool having an elongated housing supporting a power module
US-2017274520-A1 · Sep 28, 2017 · US
Electrodynamic machine comprising a cooling duct
US-2017264169-A1 · Sep 14, 2017 · US
Outer rotor-type axial gap brushless motor
US-2017237327-A1 · Aug 17, 2017 · US
Energy conversion apparatus
US-2017214294-A1 · Jul 27, 2017 · US
Electric compressor
US-2017214293-A1 · Jul 27, 2017 · US
Gear stabilization techniques
US-2017201154-A1 · Jul 13, 2017 · US
Electromagnetic coupling for esp motor
US-2017194831-A1 · Jul 6, 2017 · US
Permanent magnet-type rotary electric machine and vehicle drive system
US-9685829-B2 · Jun 20, 2017 · US
Permanent Magnet Dynamo-Electric Machine
US-2017155292-A1 · Jun 1, 2017 · US
An electric machine
US-2017141652-A1 · May 18, 2017 · US
Rotating Electric Machine
US-2017126098-A1 · May 4, 2017 · US
Increasing the apparent power of gas-cooled turbogenerators by way of increased pressure in the housing
US-2017104391-A1 · Apr 13, 2017 · US
Drive module for a vehicle
US-9614416-B2 · Apr 4, 2017 · US
Pod propulsion unit of a ship
US-2017081007-A1 · Mar 23, 2017 · US
Remotely adjustable ventilation orifice plate
US-2017051944-A1 · Feb 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K9/10?
- CPC H02K9/10 is the Cooperative Patent Classification code for “by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing.”
- How many patents are filed under CPC H02K9/10 (by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing)?
- Our database includes 332 publications tagged with this CPC code.
- Is patent activity under CPC H02K9/10 growing?
- Publication counts under this code: 40 in 2024 vs 23 in 2025 (latest complete years).