Inventor · disambiguated record
William D. Vanderford
Also filed as: TAYLOR ERNEST E · VANDERFORD WILLIAM D
4 granted patents·253 citations·filing 1978–1996
82Inventor score
Files withDRESSER IND4
Top patents by PatentIndex Score
4 records- 0188US5291807APatterned hardfacing shapes on insert cutter conesDRESSER IND·Filed 1992·Granted Mar 8, 1994·90 cites·8 claims
- 0281US5722497ARoller cone gage surface cutting elements with multiple ultra hard cutting surfacesDRESSER IND·Filed 1996·Granted Mar 3, 1998·114 cites·77 claims
- 0378US4199856AMethod of providing lubricant volume displacement system for a rotary rock bitDRESSER IND·Filed 1978·Granted Apr 29, 1980·29 cites·5 claims
- 0455US4181185AThrust flange actuated rock bit lubrication systemDRESSER IND·Filed 1978·Granted Jan 1, 1980·20 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →