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Voltage stabilisation; Maintaining constant voltage
Voltage stabilisation; Maintaining constant voltage · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B45/34 |
| Official title | Voltage stabilisation; Maintaining constant voltage |
| Display label | Voltage stabilisation; Maintaining constant voltage |
| Total patents | 357 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 8 |
| 2017 | 25 |
| 2018 | 25 |
| 2019 | 26 |
| 2020 | 22 |
| 2021 | 53 |
| 2022 | 43 |
| 2023 | 52 |
| 2024 | 31 |
| 2025 | 46 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Led-based lighting control network communication
US-2018376568-A1 · Dec 27, 2018 · US
Method and apparatus for providing supplemental power in a LED driver
US-10153692-B2 · Dec 11, 2018 · US
LED driving circuit and LED lighting device
US-10154556-B2 · Dec 11, 2018 · US
Spotlight
US-2018343723-A1 · Nov 29, 2018 · US
Multi-port LED-based lighting communications gateway
US-10123395-B2 · Nov 6, 2018 · US
Plug-in multifunctional LED power system
US-10080266-B2 · Sep 18, 2018 · US
Driver circuit for automatic detection and synchronization of dynamic loads
US-2018255613-A1 · Sep 6, 2018 · US
LED-based lighting control network communication
US-10070503-B2 · Sep 4, 2018 · US
Lighting device, luminaire, and signboard
US-2018219625-A1 · Aug 2, 2018 · US
Lighting device, luminaire, and signboard
US-10038502-B1 · Jul 31, 2018 · US
LED system with driver voltage clamping
US-9949327-B2 · Apr 17, 2018 · US
Imitation candle and flame simulation assembly thereof
US-2018038565-A1 · Feb 8, 2018 · US
Control circuit, control method and switching power supply thereof
US-2017347417-A1 · Nov 30, 2017 · US
LED tube lamp
US-9826585-B2 · Nov 21, 2017 · US
Spotlight
US-2017332457-A1 · Nov 16, 2017 · US
Led smart control circuit and led lighting device containing the same
US-2017310160-A1 · Oct 26, 2017 · US
DC-DC converter
US-9800155-B2 · Oct 24, 2017 · US
Led tube lamp
US-2017290119-A1 · Oct 5, 2017 · US
LED tube lamp
US-9781805-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B45/34?
- CPC H05B45/34 is the Cooperative Patent Classification code for “Voltage stabilisation; Maintaining constant voltage.”
- How many patents are filed under CPC H05B45/34 (Voltage stabilisation; Maintaining constant voltage)?
- Our database includes 357 publications tagged with this CPC code.
- Is patent activity under CPC H05B45/34 growing?
- Publication counts under this code: 31 in 2024 vs 46 in 2025 (latest complete years).