Apparatus comprising an inverter
US-12583335-B2 · Mar 24, 2026 · US
by progressive increase of frequency of supply to primary circuit of motor
by progressive increase of frequency of supply to primary circuit of motor · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P1/30 |
| Official title | by progressive increase of frequency of supply to primary circuit of motor |
| Display label | by progressive increase of frequency of supply to primary circuit of motor |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 9 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control of motor soft starter using power electronic switching devices
US-12519404-B2 · Jan 6, 2026 · US
Wireline power supply during electric powered fracturing operations
US-12438480-B2 · Oct 7, 2025 · US
Drive equipment and control method
US-12323063-B2 · Jun 3, 2025 · US
Solar power system for induction motor soft-starting and power compensation, and related methods
US-12126177-B2 · Oct 22, 2024 · US
Wireline power supply during electric powered fracturing operations
US-2024291405-A1 · Aug 29, 2024 · US
Apparatus comprising an inverter
US-2024286493-A1 · Aug 29, 2024 · US
Solar power system for induction motor soft-starting and power compensation, and related methods
US-2024266836-A1 · Aug 8, 2024 · US
Control of motor soft starter using power electronic switching devices
US-2024235441-A9 · Jul 11, 2024 · US
Wireline power supply during electric powered fracturing operations
US-12009762-B2 · Jun 11, 2024 · US
Control of motor soft starter using power electronic switching devices
US-2024136961-A1 · Apr 25, 2024 · US
Drive equipment and control method
US-2024120842-A1 · Apr 11, 2024 · US
Hybrid drive circuit for variable speed induction motor system and methods of control
US-11881801-B2 · Jan 23, 2024 · US
Hybrid drive circuit for variable speed induction motor system and methods of control
US-2023344379-A1 · Oct 26, 2023 · US
Hybrid drive circuit for variable speed induction motor system and methods of control
US-11716040-B2 · Aug 1, 2023 · US
Wireline power supply during electric powered fracturing operations
US-2023109325-A1 · Apr 6, 2023 · US
Wireline power supply during electric powered fracturing operations
US-11476781-B2 · Oct 18, 2022 · US
Motor starter and method for starting an electric motor
US-11356041-B2 · Jun 7, 2022 · US
Method for identifying the magnetic anisotropy of an electric rotary field machine
US-11342868-B2 · May 24, 2022 · US
Electrified vehicle control to detect status of individual phases of three-phase motor
US-2022158572-A1 · May 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P1/30?
- CPC H02P1/30 is the Cooperative Patent Classification code for “by progressive increase of frequency of supply to primary circuit of motor.”
- How many patents are filed under CPC H02P1/30 (by progressive increase of frequency of supply to primary circuit of motor)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC H02P1/30 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).