Inventor · disambiguated record
Shengwen Leng
Also filed as: LENG SHENGWEN
3 granted patents·26 citations·filing 2006–2006
69Inventor score
Technology areasB03C
Files withSYLMARK HOLDINGS LTD3
Top patents by PatentIndex Score
3 records- 0173US7785404B2Ionic air purifier with high air flowSYLMARK HOLDINGS LTD·Filed 2006·Granted Aug 31, 2010·8 cites·6 claims
- 0263US7390352B2Air purifier with front-load electrodesSYLMARK HOLDINGS LTD·Filed 2006·Granted Jun 24, 2008·4 cites·7 claims
- 0361USD551328SAir purifierSYLMARK HOLDINGS LTD·Filed 2006·Granted Sep 18, 2007·14 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →