Inventor · disambiguated record
Hugo Letzel
Also filed as: LETZEL HUGO MARTIJN
2 granted patents·1 pending application·18 citations·filing 2001–2002
59Inventor score
Technology areasB01D
Files withSHELL OIL CO2
Top patents by PatentIndex Score
3 records- 0159US7004988B2Gas-liquid separatorSHELL OIL CO·Filed 2002·Granted Feb 28, 2006·12 cites·24 claims
- 0252US6905112B2Column for counter-currently contacting vapor and liquidSHELL OIL CO·Filed 2001·Granted Jun 14, 2005·6 cites·10 claims
- 0327US2001015136A1Column for counter-currently contacting gas and liquidFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →