Conveyance system having paralleled drives
US-2017369276-A1 · Dec 28, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P4/00 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 231 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 17 |
| 2017 | 23 |
| 2018 | 28 |
| 2019 | 30 |
| 2020 | 27 |
| 2021 | 21 |
| 2022 | 22 |
| 2023 | 14 |
| 2024 | 9 |
| 2025 | 11 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric Drive System and Energy Management Method
US-2017366112-A1 · Dec 21, 2017 · US
Electric drive system and energy management method
US-9800182-B2 · Oct 24, 2017 · US
Hybrid electric device
US-9787225-B2 · Oct 10, 2017 · US
Fuel cell system and driving control method thereof
US-9755256-B2 · Sep 5, 2017 · US
Power supply for juvenile products
US-2017215600-A1 · Aug 3, 2017 · US
Power supply system, transportation device, and power transmission method
US-2017151886-A1 · Jun 1, 2017 · US
Power supply system, transportation device, and power transmission method
US-2017151888-A1 · Jun 1, 2017 · US
Power supply system, transportation device, and power transmission method
US-2017151887-A1 · Jun 1, 2017 · US
Battery pack
US-2017149102-A1 · May 25, 2017 · US
Control circuit for controlling cooling fan of data center
US-9654051-B2 · May 16, 2017 · US
Energy storage device, system comprising an energy storage device, and method for actuating an energy storage device
US-9634601-B2 · Apr 25, 2017 · US
Steering power system for electric vehicle and method controlling same
US-2017106899-A1 · Apr 20, 2017 · US
Power supply device
US-9627999-B2 · Apr 18, 2017 · US
Method and device for dynamically adjusting an operational voltage for an electric motor
US-9616764-B2 · Apr 11, 2017 · US
Electric vehicle
US-9616759-B2 · Apr 11, 2017 · US
Electric machine for hybrid powertrain with dual voltage power system
US-2017057373-A1 · Mar 2, 2017 · US
Electrical apparatus and method for powering an electrical machine
US-9573486-B2 · Feb 21, 2017 · US
Electronic power equipment
US-2017040919-A1 · Feb 9, 2017 · US
Control circuit for controlling cooling fan of data center
US-2017025982-A1 · Jan 26, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P4/00?
- CPC H02P4/00 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02P4/00 (Electricity)?
- Our database includes 231 publications tagged with this CPC code.
- Is patent activity under CPC H02P4/00 growing?
- Publication counts under this code: 9 in 2024 vs 11 in 2025 (latest complete years).