Inventor · disambiguated record
Haifeng Ren
Also filed as: REN HAIFENG
4 granted patents·0 citations·filing 2016–2024
51Inventor score
Files withWEICHAI POWER CO LTD2QINGDAO HAIER DRUM WASHING MACHINE CO LTD1QINGDAO HAIER WASHING MACH CO1
Top patents by PatentIndex Score
4 records- 0146US12188423B2Cylinder deactivation control method and apparatus of engine, and engineWEICHAI POWER CO LTD·Filed 2024·Granted Jan 7, 2025·0 cites·20 claims
- 0245US12180639B2Additive feeding device and washing machineQINGDAO HAIER WASHING MACH CO·Filed 2020·Granted Dec 31, 2024·0 cites·18 claims
- 0344US12292011B2Cylinder deactivation control method and apparatus of engine, and engineWEICHAI POWER CO LTD·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 0444US10309049B2Water purifying module self-cleaning method and washing machine using sameQINGDAO HAIER DRUM WASHING MACHINE CO LTD·Filed 2016·Granted Jun 4, 2019·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →