Automotive alternator rotor
US-11277055-B2 · Mar 15, 2022 · US
of the claw-pole type
of the claw-pole type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K3/528 |
| Official title | {of the claw-pole type} |
| Display label | of the claw-pole type |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automotive alternator rotor
US-2021296962-A1 · Sep 23, 2021 · US
Rotor of rotary electrical machine
US-11038395-B2 · Jun 15, 2021 · US
Rotary electric machine
US-10886799-B2 · Jan 5, 2021 · US
Rotor, stator and motor
US-10862380-B2 · Dec 8, 2020 · US
Rotor of rotating electric machine
US-10848028-B2 · Nov 24, 2020 · US
Rotor for wound-rotor motor and wound-rotor motor having the same
US-10686342-B2 · Jun 16, 2020 · US
Winding support
US-10644555-B2 · May 5, 2020 · US
Rotary electrical machine for motor vehicle
US-10566868-B2 · Feb 18, 2020 · US
Rotor of an electric machine, in particular of a claw pole machine
US-2020044520-A1 · Feb 6, 2020 · US
Rotary electric machine
US-2019334395-A1 · Oct 31, 2019 · US
Rotor of rotary electrical machine
US-2019207463-A1 · Jul 4, 2019 · US
Rotor coil insulating device
US-10277087-B2 · Apr 30, 2019 · US
Rotor for rotating electric machine
US-10110099-B2 · Oct 23, 2018 · US
Rotor of rotating electric machine
US-2018248436-A1 · Aug 30, 2018 · US
Generator
US-10063114-B2 · Aug 28, 2018 · US
Rotor for wound-rotor motor and wound-rotor motor having the same
US-2018166935-A1 · Jun 14, 2018 · US
Rotor, stator and motor
US-2018123434-A1 · May 3, 2018 · US
Claw rotor provided with an excitation winding insulator, and rotary electrical machine equipped with the claw rotor
US-9960651-B2 · May 1, 2018 · US
Rotor, stator and motor
US-9887608-B2 · Feb 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K3/528?
- CPC H02K3/528 is the Cooperative Patent Classification code for “of the claw-pole type.”
- How many patents are filed under CPC H02K3/528 (of the claw-pole type)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC H02K3/528 growing?
- Publication counts under this code: 3 in 2021 vs 1 in 2022 (latest complete years).