Rotating electrical machine system
US-2020336027-A1 · Oct 22, 2020 · US
Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices
Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K11/26 |
| Official title | Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices |
| Display label | Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices |
| Total patents | 188 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 22 |
| 2020 | 25 |
| 2021 | 28 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 25 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for reducing harmful bearing voltages
US-2020321835-A1 · Oct 8, 2020 · US
Motor drive control device and control method for motor drive control device
US-10797626-B2 · Oct 6, 2020 · US
Tubular electromechanical actuator and home automation equipment including such an actuator
US-2020303988-A1 · Sep 24, 2020 · US
Early detection of motor stator winding faults
US-10598732-B2 · Mar 24, 2020 · US
Vehicle
US-2020036268-A1 · Jan 30, 2020 · US
Motor driving apparatus, method for controlling motor driving apparatus, inverter apparatus, and power apparatus
US-10536058-B2 · Jan 14, 2020 · US
Electric static discharge protection for power tools
US-2019393761-A1 · Dec 26, 2019 · US
Haptic actuator having movable bodies along an arcuate path of travel and related methods
US-10510224-B2 · Dec 17, 2019 · US
Semiconductor module
US-2019371745-A1 · Dec 5, 2019 · US
Early detection of motor stator winding faults
US-2019346509-A1 · Nov 14, 2019 · US
Method of controlling a converter connected to an electric machine
US-10476355-B2 · Nov 12, 2019 · US
Halbach-array radial stabilizer for a passive magnetic bearing
US-10447110-B2 · Oct 15, 2019 · US
Haptic actuator having movable bodies along an arcuate path of travel and related methods
US-2019311588-A1 · Oct 10, 2019 · US
Power tool
US-10411620-B2 · Sep 10, 2019 · US
PCB-based motor starter
US-10396689-B2 · Aug 27, 2019 · US
Method for controlling a converter connected to an electric machine
US-2019252951-A1 · Aug 15, 2019 · US
Dynamic electromagnetic machine
US-2019222102-A1 · Jul 18, 2019 · US
A track-bound vehicle electric machine
US-2019214888-A1 · Jul 11, 2019 · US
Electrical measurement devices
US-2019195912-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K11/26?
- CPC H02K11/26 is the Cooperative Patent Classification code for “Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices.”
- How many patents are filed under CPC H02K11/26 (Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices)?
- Our database includes 188 publications tagged with this CPC code.
- Is patent activity under CPC H02K11/26 growing?
- Publication counts under this code: 25 in 2024 vs 12 in 2025 (latest complete years).