Stepper Motor Control Systems and Methods for Actuators
US-2024388228-A1 · Nov 21, 2024 · US
Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence)
Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P8/14 |
| Official title | Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence) |
| Display label | Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence) |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 17 |
| 2017 | 13 |
| 2018 | 21 |
| 2019 | 29 |
| 2020 | 18 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor health monitoring and medical device incorporating same
US-10141882-B2 · Nov 27, 2018 · US
Motor driving apparatus
US-2018335764-A1 · Nov 22, 2018 · US
Control device, optical apparatus, control method, and storage medium
US-2018331641-A1 · Nov 15, 2018 · US
Control device, optical device, control method, and storage medium
US-2018331640-A1 · Nov 15, 2018 · US
Motorized hot stick system for clamping grounding devices on overhead lines
US-10122101-B2 · Nov 6, 2018 · US
Stepper trajectory driver with numerical controlled oscillators operated at frequency provided by a synchronized clock signal
US-10103659-B2 · Oct 16, 2018 · US
Printer, method of controlling printer, and storage medium
US-2018264861-A1 · Sep 20, 2018 · US
Methods and apparatus for robust and efficient stepper motor BEMF measurement
US-10063170-B2 · Aug 28, 2018 · US
Control apparatus, control program, and recording medium
US-9996076-B2 · Jun 12, 2018 · US
Sheet conveying apparatus and image forming apparatus
US-2018152126-A1 · May 31, 2018 · US
Motor control apparatus that controls motor based on result of detection by position detection sensor that detects rotational position of rotor of motor, and image forming apparatus
US-9961221-B2 · May 1, 2018 · US
Motorized hot stick system for clamping grounding devices on overhead lines
US-2018115090-A1 · Apr 26, 2018 · US
Image obtaining apparatus and stage control method
US-9952420-B2 · Apr 24, 2018 · US
Actuator control system
US-2018043748-A1 · Feb 15, 2018 · US
Motor controller, motor driver, and motor driving system
US-2018011471-A1 · Jan 11, 2018 · US
Methods and apparatus for robust and efficient stepper motor bemf measurement
US-2017366123-A1 · Dec 21, 2017 · US
Controller for driving a stepper motor
US-9825567-B2 · Nov 21, 2017 · US
Movable object driving device and game machine
US-9787233-B2 · Oct 10, 2017 · US
Motor control apparatus, sheet conveying apparatus, image forming apparatus
US-2017288590-A1 · Oct 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P8/14?
- CPC H02P8/14 is the Cooperative Patent Classification code for “Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence).”
- How many patents are filed under CPC H02P8/14 (Arrangements for controlling speed or speed and torque (H02P8/12, H02P8/22 take precedence))?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC H02P8/14 growing?
- Publication counts under this code: 7 in 2024 vs 12 in 2025 (latest complete years).