Inventor · disambiguated record
Charles D. Woodward
Also filed as: WOODWARD CHARLES D
4 granted patents·173 citations·filing 1974–1992
80Inventor score
Top patents by PatentIndex Score
4 records- 0196US4007785AHeated multiple solvent method for recovering viscous petroleumTEXACO INC·Filed 1974·Granted Feb 15, 1977·74 cites·21 claims
- 0289US3954141AMultiple solvent heavy oil recovery methodTEXACO INC·Filed 1975·Granted May 4, 1976·74 cites·21 claims
- 0352US5291022AHigh efficiency infrared sourceNICOLET INSTRUMENT CORP·Filed 1992·Granted Mar 1, 1994·21 cites·28 claims
- 0431US4042027ARecovery of petroleum from viscous asphaltic petroleum containing formations including tar sand depositsTEXACO INC·Filed 1974·Granted Aug 16, 1977·4 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →