Assignee
SHENZHEN BILLDA TECH CO LTD
CN·14 granted patents·6 pending applications·5 citations·filing 2021–2025
Top patents by PatentIndex Score
20 records- 0190US11959617B1Downlight emergency power supply deviceSHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Apr 16, 2024·4 cites·17 claims
- 0260US12500442B1Emergency power supply circuit and lighting deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·10 claims
- 0357US12003084B2Foldable emergency power box with shaft structure allowing wires to penetrate throughSHENZHEN BILLDA TECH CO LTD·Filed 2022·Granted Jun 4, 2024·0 cites·10 claims
- 0457US2026051444A1Explosion-proof switch and explosion-proof electrical deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Application pending·0 cites
- 0557US2026051445A1Explosion-proof switch and explosion-proof electrical deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Application pending·0 cites
- 0656US2024283373A1Constant-power pure sine wave output circuit, device and power supply systemSHENZHEN BILLDA TECH CO LTD·Filed 2023·Application pending·0 cites
- 0753US2026046992A1Light tube circuit for switching between emergency lighting and general lightingSHENZHEN BILLDA TECH CO LTD·Filed 2024·Application pending·0 cites
- 0853US2026046991A1Downlight power box control circuit capable of realizing emergency lighting and general lightingSHENZHEN BILLDA TECH CO LTD·Filed 2024·Application pending·0 cites
- 0948US11991806B2Emergency output circuit for starting LED lamp tubes with leakage protectionSHENZHEN BILLDA TECH CO LTD·Filed 2022·Granted May 21, 2024·0 cites·7 claims
- 1043USD972508SEmergency power supplySHENZHEN BILLDA TECH CO LTD·Filed 2021·Granted Dec 13, 2022·1 cites·1 claims
- 1139US2026051728A1Short-circuit protection circuit and lighting deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Application pending·0 cites
- 1238USD1058486SPower supplySHENZHEN BILLDA TECH CO LTD·Filed 2023·Granted Jan 21, 2025·0 cites·1 claims
- 1334USD1110285SExplosion-proof switchSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Jan 27, 2026·0 cites·1 claims
- 1434USD1110284SExplosion-proof switchSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Jan 27, 2026·0 cites·1 claims
- 1534USD1098548SEmergency light tubeSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
- 1633USD1116997SDownlight power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Mar 10, 2026·0 cites·1 claims
- 1733USD1106086SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 1833USD1106085SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 1932USD1106067SEmergency power supply housingSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 2030USD1112100SConnector box for light cableSHENZHEN BILLDA TECH CO LTD·Filed 2025·Granted Feb 10, 2026·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when SHENZHEN BILLDA TECH CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →