Vacuum cleaner and system operable with AC and DC power sources
US-11510540-B2 · Nov 29, 2022 · US
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Motors specially adapted for running on DC or AC by choice
Motors specially adapted for running on DC or AC by choice · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K23/64 |
| Official title | Motors specially adapted for running on DC or AC by choice |
| Display label | Motors specially adapted for running on DC or AC by choice |
| Total patents | 12 |
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 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oil lubricated compressor
US-11111913-B2 · Sep 7, 2021 · US
Power tool
US-10903730-B2 · Jan 26, 2021 · US
Power tool
US-10868462-B2 · Dec 15, 2020 · US
Vacuum cleaner and system operable with ac and dc power sources
US-2019350424-A1 · Nov 21, 2019 · US
Upright vacuum cleaner and system operable with AC and DC power sources
US-10413146-B2 · Sep 17, 2019 · US
Power tool
US-2019229599-A1 · Jul 25, 2019 · US
Upright vacuum cleaner and system operable with ac and dc power sources
US-2018353037-A1 · Dec 13, 2018 · US
Power tool
US-2018241291-A1 · Aug 23, 2018 · US
Power Tool
US-2018175757-A1 · Jun 21, 2018 · US
Oil Lubricated Compressor
US-2017101985-A1 · Apr 13, 2017 · US
Universal motor
US-9099911-B2 · Aug 4, 2015 · US