Inventor · disambiguated record
D. Wayne Van Winkle
Also filed as: VAN WINKLE D WAYNE
5 granted patents·172 citations·filing 1981–1996
84Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0164US5590867ABlowout preventer for coiled tubingDREXEL OIL FIELD SERVICES INC·Filed 1995·Granted Jan 7, 1997·56 cites·3 claims
- 0264US5361832AAnnular packer and insertDREXEL OILFIELD SERVICES INC·Filed 1993·Granted Nov 8, 1994·42 cites·32 claims
- 0349US5566753AStripper/packerDREXEL OIL FIELD SERVICES INC·Filed 1995·Granted Oct 22, 1996·36 cites·8 claims
- 0447US5863022AStripper/packer and blowout preventer with split bonnetFiled 1996·Granted Jan 26, 1999·27 cites·13 claims
- 0533US4407361ATool trapWINKLE D WAYNE VAN·Filed 1981·Granted Oct 4, 1983·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →