Inventor · disambiguated record
Douglas Wenzel
Also filed as: WENZEL DOUGLAS · Wenzel Douglas Lee
3 granted patents·137 citations·filing 1990–2014
74Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0178US5267905ASealed downhole motor drive shaft universal joint assemblyWENZEL DOUGLAS·Filed 1990·Granted Dec 7, 1993·85 cites·1 claims
- 0265US5052501AAdjustable bent housingWENZEL DOUGLAS·Filed 1990·Granted Oct 1, 1991·48 cites·2 claims
- 0332USD774593SEnvelope with windowPOSTAL PRESORT INC·Filed 2014·Granted Dec 20, 2016·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →