High speed generator connection assembly
US-2020412210-A1 · Dec 31, 2020 · US
for rectification
for rectification · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K11/04 |
| Official title | for rectification |
| Display label | for rectification |
| Total patents | 154 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 17 |
| 2022 | 24 |
| 2023 | 21 |
| 2024 | 8 |
| 2025 | 18 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary electric machine including rectifying parts and intake parts
US-10874014-B2 · Dec 22, 2020 · US
Power supply semi-trailer for electric drive fracturing equipment
US-2020392826-A1 · Dec 17, 2020 · US
Generator assembly and bearing equipped with the same
US-2020343784-A1 · Oct 29, 2020 · US
Electrical power delivery system
US-2020337168-A1 · Oct 22, 2020 · US
Rotating electric machine
US-2020336058-A1 · Oct 22, 2020 · US
Autonomous downhole power generator module
US-10774618-B2 · Sep 15, 2020 · US
Motor unit
US-2020266680-A1 · Aug 20, 2020 · US
Generator assembly and bearing equipped with the same
US-10749407-B2 · Aug 18, 2020 · US
Rotating electric machine for vehicle
US-2020259400-A1 · Aug 13, 2020 · US
Power generator
US-2020212765-A1 · Jul 2, 2020 · US
Polygon spring coupling
US-10663006-B2 · May 26, 2020 · US
Real time clock battery charge/discharge system of notebook, charge/discharge control method, and notebook real time clock power supply method
US-10599200-B2 · Mar 24, 2020 · US
Stator with a temperature detection unit for an electric motor
US-2020076277-A1 · Mar 5, 2020 · US
Electric machine with independent rotor cooling device, generator arrangement and wind turbine
US-2019390657-A1 · Dec 26, 2019 · US
Polygon Spring Coupling
US-2019383329-A1 · Dec 19, 2019 · US
Downhole power generation and directional drilling tool
US-2019353009-A1 · Nov 21, 2019 · US
Mid-Bus Voltage Generation via Idle Phases in a Linear Motor Track System
US-2019348899-A1 · Nov 14, 2019 · US
Autonomous Downhole Power Generator Module
US-2019284907-A1 · Sep 19, 2019 · US
Controller-included rotating electrical machine
US-10418884-B2 · Sep 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K11/04?
- CPC H02K11/04 is the Cooperative Patent Classification code for “for rectification.”
- How many patents are filed under CPC H02K11/04 (for rectification)?
- Our database includes 154 publications tagged with this CPC code.
- Is patent activity under CPC H02K11/04 growing?
- Publication counts under this code: 8 in 2024 vs 18 in 2025 (latest complete years).