Inventor · disambiguated record
Otto E. Crenwelge, Jr.
Also filed as: CRENWELGE JR OTTO E
4 granted patents·75 citations·filing 1986–1992
77Inventor score
Files withSHELL OIL CO4
Top patents by PatentIndex Score
4 records- 0183US4725991AMethod for controlling blasting operationsSHELL OIL CO·Filed 1986·Granted Feb 16, 1988·45 cites·25 claims
- 0265US5287915AHeat exchanger and method for removing deposits from inner surfaces thereofSHELL OIL CO·Filed 1992·Granted Feb 22, 1994·18 cites·10 claims
- 0348US4988368AMethod for determination of slag tap blockageSHELL OIL CO·Filed 1989·Granted Jan 29, 1991·7 cites·18 claims
- 0442US4963163ADetermination of gasifier outlet and quench zone blockageSHELL OIL CO·Filed 1989·Granted Oct 16, 1990·5 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →