Inventor · disambiguated record
Yanwei Cen
Also filed as: CEN YANWEI
3 granted patents·4 pending applications·35 citations·filing 2009–2020
69Inventor score
Top patents by PatentIndex Score
7 records- 0189US10323411B2Systems and methods for assisting in reducing the spread of fire, smoke or heat in a buildingRECTORSEAL LLC·Filed 2018·Granted Jun 18, 2019·30 cites·9 claims
- 0268US8298345B1Method for cleaning a heat exchangerACKERMAN EVA·Filed 2009·Granted Oct 30, 2012·2 cites·5 claims
- 0367US8734589B1Use of liquid flushing composition in cleaning a heat exchangerACKERMAN EVA·Filed 2012·Granted May 27, 2014·3 cites·20 claims
- 0448US2010298194A1Cleaning composition for tankless water heaterACKERMAN EVA·Filed 2009·Application pending·0 cites
- 0545US2019177970A1Systems and methods for assisting in reducing the spread of fire, smoke or heat in a buildingRECTORSEAL LLC·Filed 2019·Application pending·0 cites
- 0641US2017260741A1Systems and methods for assisting in reducing the spread of fire, smoke or heat in a buildingRECTORSEAL LLC·Filed 2016·Application pending·0 cites
- 0738US2020199867A1Systems and methods for assisting in reducing the spread of fire, smoke or heat in a buildingRECTORSEAL LLC·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →