Inventor · disambiguated record
Windel O. Mayfield
Also filed as: MAYFIELD WINDEL O
9 granted patents·270 citations·filing 1976–2010
89Inventor score
Top patents by PatentIndex Score
9 records- 0195US6554580B1Plunger for well casings and other tubularsPAAL L L C·Filed 2001·Granted Apr 29, 2003·93 cites·14 claims
- 0289US4142371ARemovable closure apparatus for hollow columnar membersREGAL TOOL & RUBBER·Filed 1977·Granted Mar 6, 1979·42 cites·6 claims
- 0380US7308933B1Power assisted lift for lubricator assemblyPAAL L L C·Filed 2004·Granted Dec 18, 2007·58 cites·5 claims
- 0472US6971856B1Plunger for well casings and other tubularsPAAL L L C·Filed 2003·Granted Dec 6, 2005·11 cites·6 claims
- 0572US4687019AFloat valve assemblyMAYFIELD WINDEL O·Filed 1985·Granted Aug 18, 1987·32 cites·12 claims
- 0661US4024723APlatform leg diaphragmREGAL TOOL & RUBBER·Filed 1976·Granted May 24, 1977·17 cites·10 claims
- 0752US4047391AGrout sealREGAL TOOL & RUBBER·Filed 1976·Granted Sep 13, 1977·17 cites·17 claims
- 0844US8002029B1Apparatus and method for raising a fluid in a wellPAAL L L C·Filed 2010·Granted Aug 23, 2011·0 cites·8 claims
- 0942US7971647B2Apparatus and method for raising a fluid in a wellPAAL L L C·Filed 2008·Granted Jul 5, 2011·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →