Inventor · disambiguated record
William Ridley Pledger
Also filed as: PLEDGER WILLIAM R · PLEDGER WILLIAM RIDLEY
4 granted patents·84 citations·filing 1975–1996
77Inventor score
Files withSHELL OIL CO4
Top patents by PatentIndex Score
4 records- 0189US5786524AProcess for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanalSHELL OIL CO·Filed 1996·Granted Jul 28, 1998·46 cites·9 claims
- 0278US5583263AProcess of making ketonesSHELL OIL CO·Filed 1995·Granted Dec 10, 1996·26 cites·5 claims
- 0360US4053525AProcess for production of glycerineSHELL OIL CO·Filed 1976·Granted Oct 11, 1977·7 cites·11 claims
- 0435US3994244AFluidized waste incinerator and methodSHELL OIL CO·Filed 1975·Granted Nov 30, 1976·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →