Generator and method for controlling a generator
US-2017373624-A1 · Dec 28, 2017 · US
Reluctance motors
Reluctance motors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P25/08 |
| Official title | Reluctance motors |
| Display label | Reluctance motors |
| Total patents | 233 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 25 |
| 2017 | 27 |
| 2018 | 34 |
| 2019 | 23 |
| 2020 | 26 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 15 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor control device
US-9847746-B2 · Dec 19, 2017 · US
Fault-tolerant control method for position sensor of switched reluctance motor
US-2017324358-A1 · Nov 9, 2017 · US
Inverter control device and motor drive system
US-2017264227-A1 · Sep 14, 2017 · US
Method, computer program product and controller for starting-up a switched reluctance motor, and electrical apparatus implementing same
US-9729088-B2 · Aug 8, 2017 · US
Electric motor with plural stator components
US-9692284-B2 · Jun 27, 2017 · US
Method and system for estimating differential inductances in an electric machine
US-9692339-B2 · Jun 27, 2017 · US
Vehicular control apparatus
US-9641118-B2 · May 2, 2017 · US
Voltage control device and voltage control method
US-9621098-B2 · Apr 11, 2017 · US
D-Q control system and method for controlling a switched reluctance motor
US-9608554-B2 · Mar 28, 2017 · US
Motor control device
US-2017077858-A1 · Mar 16, 2017 · US
Shift range switchover control apparatus
US-2017023133-A1 · Jan 26, 2017 · US
Double-stator switched reluctance rotating machine
US-2017019005-A1 · Jan 19, 2017 · US
Normalization of motor phase measurements
US-2016373042-A1 · Dec 22, 2016 · US
Switched reluctance motor
US-9515596-B2 · Dec 6, 2016 · US
Voltage control device and voltage control method
US-2016352277-A1 · Dec 1, 2016 · US
Synchronous reluctance motor
US-2016329787-A1 · Nov 10, 2016 · US
Control circuit and method for controlling a multiphase motor
US-9490730-B2 · Nov 8, 2016 · US
Hybrid Hard Chopping and Soft Chopping Current Regulation
US-2016301347-A1 · Oct 13, 2016 · US
Field control device, method of field control, and synchronous rotating machine
US-9450522-B2 · Sep 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P25/08?
- CPC H02P25/08 is the Cooperative Patent Classification code for “Reluctance motors.”
- How many patents are filed under CPC H02P25/08 (Reluctance motors)?
- Our database includes 233 publications tagged with this CPC code.
- Is patent activity under CPC H02P25/08 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).