Portable pedestal fan
US-2024072707-A1 · Feb 29, 2024 · US
Controlling the acceleration or deceleration
Controlling the acceleration or deceleration · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P23/20 |
| Official title | Controlling the acceleration or deceleration |
| Display label | Controlling the acceleration or deceleration |
| Total patents | 246 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 23 |
| 2019 | 32 |
| 2020 | 23 |
| 2021 | 31 |
| 2022 | 23 |
| 2023 | 34 |
| 2024 | 20 |
| 2025 | 21 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motor controller
US-2019238079-A1 · Aug 1, 2019 · US
Electric walk behind greens mower
US-10356977-B2 · Jul 23, 2019 · US
Control apparatus controlling opening and closing member for vehicle
US-2019145151-A1 · May 16, 2019 · US
Elevator control device
US-10280038-B2 · May 7, 2019 · US
Power tool and kickback detection method therefor
US-2019128474-A1 · May 2, 2019 · US
Motor control device and image forming apparatus
US-10243493-B2 · Mar 26, 2019 · US
Electric walk behind greens mower
US-2018352736-A1 · Dec 13, 2018 · US
Inverter device
US-10128776-B2 · Nov 13, 2018 · US
Motor control apparatus
US-10108182-B2 · Oct 23, 2018 · US
Power-consumption-amount estimation apparatus
US-2018299838-A1 · Oct 18, 2018 · US
Vehicle control device, server, vehicle motor control system, and vehicle motor control method
US-2018276906-A1 · Sep 27, 2018 · US
Synchronous Machine Module, Vehicle Drive and Vehicle
US-2018278184-A1 · Sep 27, 2018 · US
Surface management of drill string rotation for stick-and-slip reduction
US-2018274352-A1 · Sep 27, 2018 · US
Inverter device
US-10079556-B2 · Sep 18, 2018 · US
System And Method For Isolation Of Load Dynamics In Motor Drive Tuning
US-2018262144-A1 · Sep 13, 2018 · US
System and Method Of Single Parameter Ratiometric Tuning for Motor Drives
US-2018262143-A1 · Sep 13, 2018 · US
Numerical controller of machine tool
US-2018239328-A1 · Aug 23, 2018 · US
Inverter device
US-2018234030-A1 · Aug 16, 2018 · US
Motor stop control method and motor stop control apparatus
US-2018212539-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P23/20?
- CPC H02P23/20 is the Cooperative Patent Classification code for “Controlling the acceleration or deceleration.”
- How many patents are filed under CPC H02P23/20 (Controlling the acceleration or deceleration)?
- Our database includes 246 publications tagged with this CPC code.
- Is patent activity under CPC H02P23/20 growing?
- Publication counts under this code: 20 in 2024 vs 21 in 2025 (latest complete years).