Wirelessly transferring power within an electric machine with actively rectified rotor windings
US-2024195269-A1 · Jun 13, 2024 · US
Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts
Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K11/042 |
| Official title | Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts |
| Display label | Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts |
| Total patents | 175 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 25 |
| 2017 | 7 |
| 2018 | 16 |
| 2019 | 16 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 20 |
| 2025 | 20 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circuit board and power supply device
US-2024048029-A1 · Feb 8, 2024 · US
Method for increasing the efficiency of an energy transfer device, energy transfer device, and use of an electrically conductive material
US-11870307-B2 · Jan 9, 2024 · US
Magnetless rotary electric machine
US-2018358873-A1 · Dec 13, 2018 · US
Alternator rotor having electronic components plugged and locked mechanically in place
US-10135322-B2 · Nov 20, 2018 · US
Rotating rectifier assembly
US-2018316248-A1 · Nov 1, 2018 · US
Wound field generator system featuring combined permanent magnet generator excitation with exciter stator
US-10110079-B2 · Oct 23, 2018 · US
Systems and methods concerning exciterless synchronous machines
US-10097123-B2 · Oct 9, 2018 · US
Synchronous reluctance machine
US-2018166937-A1 · Jun 14, 2018 · US
Synchronous machine with rechargeable power storage devices
US-9998047-B2 · Jun 12, 2018 · US
Printed circuit board based exciter
US-2018131302-A1 · May 10, 2018 · US
Rotating rectifiers with nested diodes
US-9912213-B2 · Mar 6, 2018 · US
Systems and methods concerning exciterless synchronous machines
US-2018034396-A1 · Feb 1, 2018 · US
Power generator assembly for rotating applications
US-2018019641-A1 · Jan 18, 2018 · US
Input amplitude modulation control for a multi-degree of freedom electromagnetic machine
US-2018019627-A1 · Jan 18, 2018 · US
Power generator assembly for rotating applications
US-2018006527-A1 · Jan 4, 2018 · US
Systems and methods concerning exciterless synchronous machines
US-9813004-B2 · Nov 7, 2017 · US
Generator including an alternating current exciter and a plurality of conductors
US-9774233-B2 · Sep 26, 2017 · US
Rotor for rotating electrical machine, and rotating electrical machine provided with said rotor
US-9755483-B2 · Sep 5, 2017 · US
Actuator
US-9735657-B2 · Aug 15, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K11/042?
- CPC H02K11/042 is the Cooperative Patent Classification code for “Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts.”
- How many patents are filed under CPC H02K11/042 (Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts)?
- Our database includes 175 publications tagged with this CPC code.
- Is patent activity under CPC H02K11/042 growing?
- Publication counts under this code: 20 in 2024 vs 20 in 2025 (latest complete years).