Receptacle assembly with gasket
US-12442527-B2 · Oct 14, 2025 · US
Three-pole devices
Three-pole devices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01R33/72 |
| Official title | Three-pole devices |
| Display label | Three-pole devices |
| Total patents | 32 |
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 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combination outlet and power distribution unit incorporating the same
US-2024186758-A1 · Jun 6, 2024 · US
Modular socket
US-11913628-B2 · Feb 27, 2024 · US
Aerosol-generating system with improved electrical connector
US-2024014675-A1 · Jan 11, 2024 · US
Modular socket
US-2024003529-A1 · Jan 4, 2024 · US
Receptacle assembly with gasket
US-2023358394-A1 · Nov 9, 2023 · US
Aerial lighting fixture connector
US-11796164-B2 · Oct 24, 2023 · US
Combination outlet and power distribution unit incorporating the same
US-11728604-B2 · Aug 15, 2023 · US
Combination outlet and power distribution unit incorporating the same
US-2023128960-A1 · Apr 27, 2023 · US
Battery charger capable of holding battery at its charging posture and retracted posture
US-11502526-B2 · Nov 15, 2022 · US
Combination outlet and power distribution unit incorporating the same
US-11362470-B2 · Jun 14, 2022 · US
Aerosol-generating system with electrical connector
US-11213074-B2 · Jan 4, 2022 · US
Combination outlet
US-D920917-S · Jun 1, 2021 · US
Aerosol-generating system with electrical connector
US-2021112879-A1 · Apr 22, 2021 · US
Combination outlet and power distribution unit incorporating the same
US-2021057859-A1 · Feb 25, 2021 · US
Mounting assembly for an electrically-powered device
US-10797455-B2 · Oct 6, 2020 · US
Combination outlet and power distribution unit incorporating the same
US-10680398-B1 · Jun 9, 2020 · US
Combination outlet and power distribution unit incorporating the same
US-10498096-B2 · Dec 3, 2019 · US
Battery charger capable of holding battery at its charging posture and retracted posture
US-2019334359-A1 · Oct 31, 2019 · US
Combination outlet and power distribution unit incorporating the same
US-2019288470-A1 · Sep 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01R33/72?
- CPC H01R33/72 is the Cooperative Patent Classification code for “Three-pole devices.”
- How many patents are filed under CPC H01R33/72 (Three-pole devices)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC H01R33/72 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).