Motor control device and semiconductor unit
US-2024421746-A1 · Dec 19, 2024 · US
using DC
using DC · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60L15/04 |
| Official title | using DC |
| Display label | using DC |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ceasing transistor toggling in permanent magnet motor when zero motor torque is demanded
US-2024421737-A1 · Dec 19, 2024 · US
Method of optimizing system efficiency for battery powered electric motors
US-12145452-B2 · Nov 19, 2024 · US
Electrically-excited electric motor
US-12143042-B2 · Nov 12, 2024 · US
Process and an apparatus for controlling an electric motor
US-12088233-B2 · Sep 10, 2024 · US
Electric machine unit, vehicle and method of operating an electric machine unit
US-2024208335-A1 · Jun 27, 2024 · US
Motor vehicle having a dc voltage onboard power supply
US-2024190260-A1 · Jun 13, 2024 · US
Hybrid system to overhaul a DC locomotive
US-11999241-B2 · Jun 4, 2024 · US
Bus current control method, device, system, and storage medium
US-2024034297-A1 · Feb 1, 2024 · US
Control device and method for discharging a DC link capacitor, power converter, and vehicle
US-11881763-B2 · Jan 23, 2024 · US
Electric vehicle, and integrated controller and integrated control system thereof
US-11865934-B2 · Jan 9, 2024 · US
Operation of switching elements of an inverter of an in particular rail-bound vehicle driven by way of least one at least three-phase synchronous machine
US-11845341-B2 · Dec 19, 2023 · US
Automotive power converter with rail-powered clamping circuitry
US-11799371-B2 · Oct 24, 2023 · US
Torque-equalizing fault response for loss of low voltage dc electrical power in electric vehicle
US-2023271503-A1 · Aug 31, 2023 · US
Method of optimizing system efficiency for battery powered electric motors
US-2023264576-A1 · Aug 24, 2023 · US
Power architecture for a vehicle such as an off-highway vehicle
US-11697349-B2 · Jul 11, 2023 · US
Direct current traction motor control system
US-11673475-B2 · Jun 13, 2023 · US
Torque-equalizing fault response for loss of low voltage DC electrical power in electric vehicle
US-11673473-B2 · Jun 13, 2023 · US
Method of optimizing system efficiency for battery powered electric motors
US-11673476-B2 · Jun 13, 2023 · US
Controller of vehicle
US-11673542-B2 · Jun 13, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L15/04?
- CPC B60L15/04 is the Cooperative Patent Classification code for “using DC.”
- How many patents are filed under CPC B60L15/04 (using DC)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC B60L15/04 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).