Electrical motor arrangement
US-12466253-B2 · Nov 11, 2025 · US
Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60)
Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K16/005 |
| Official title | {Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60)} |
| Display label | Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60) |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Magnetism modulating ring structure, magnetic gear assembly
US-12401260-B2 · Aug 26, 2025 · US
Power generating device
US-2025226727-A1 · Jul 10, 2025 · US
Rotor, rotary electric machine, and drive apparatus
US-12237725-B2 · Feb 25, 2025 · US
Electrical motor arrangement
US-2024326584-A1 · Oct 3, 2024 · US
Rotor bearing system
US-2024277998-A1 · Aug 22, 2024 · US
Rotor bearing system
US-12005248-B2 · Jun 11, 2024 · US
Methods and systems for a fractional concentrated stator configured for use in electric aircraft motor
US-11799343-B2 · Oct 24, 2023 · US
Super-synchronous motor/generator
US-11791701-B2 · Oct 17, 2023 · US
Generating electric power for a robotic end effector
US-11770049-B2 · Sep 26, 2023 · US
Magnetism modulating ring structure, magnetic gear assembly, and compound motor
US-2023283160-A1 · Sep 7, 2023 · US
Metallurgical device with self-powered sensing
US-11638942-B2 · May 2, 2023 · US
Rotor, rotary electric machine, and drive apparatus
US-2023102659-A1 · Mar 30, 2023 · US
Power transmission device for hybrid vehicle
US-11535095-B2 · Dec 27, 2022 · US
Super-synchronous motor/generator
US-2022286032-A1 · Sep 8, 2022 · US
Rotating diffuser pump
US-11396887-B2 · Jul 26, 2022 · US
Methods and systems for a fractional concentrated stator configured for use in electric aircraft motor
US-2022224179-A1 · Jul 14, 2022 · US
Electrical power generation from turbine engines
US-11362567-B2 · Jun 14, 2022 · US
Super-synchronous motor/generator
US-11329537-B2 · May 10, 2022 · US
Double-stator PM machine with 3rd order current harmonic injection
US-11316463-B2 · Apr 26, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K16/005?
- CPC H02K16/005 is the Cooperative Patent Classification code for “Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60).”
- How many patents are filed under CPC H02K16/005 (Machines with only rotors, e.g. counter-rotating rotors (DC commutator machines or universal AC/DC commutator motors having a rotating armature and a rotating excitation field H02K23/60))?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC H02K16/005 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).