Inventor · disambiguated record
Lou Langhong
Also filed as: LANGHONG LOU
2 granted patents·45 citations·filing 1999–2001
65Inventor score
Top patents by PatentIndex Score
2 records- 0174US6530422B2Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tubeCHINA PETROCHEMICAL CORP·Filed 2001·Granted Mar 11, 2003·16 cites·5 claims
- 0263US6481492B1Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tubeCHINA PETRO CHEMICAL CORP AND·Filed 1999·Granted Nov 19, 2002·29 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →