Inventor · disambiguated record
Qiu Feng
Also filed as: FENG QIU
6 granted patents·1 citations·filing 2004–2024
66Inventor score
Top patents by PatentIndex Score
6 records- 0160US12500442B1Emergency power supply circuit and lighting deviceSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·10 claims
- 0241US7618541B2Method of de-watering a slurry mixture from a jet-grouting operation and aqueous suspension for use thereinCONSTR RES & TECH GMBH·Filed 2004·Granted Nov 17, 2009·1 cites·9 claims
- 0334USD1098548SEmergency light tubeSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Oct 14, 2025·0 cites·1 claims
- 0433USD1106086SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 0533USD1106085SEmergency power control boxSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
- 0632USD1106067SEmergency power supply housingSHENZHEN BILLDA TECH CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →