Inventor · disambiguated record
Marvin L. Holbert
Also filed as: HOLBERT JR MARVIN L · HOLBERT JR MARVIN LEE · HOLBERT MARVIN L · STONE WILLIAM B
8 granted patents·222 citations·filing 1976–2003
90Inventor score
Top patents by PatentIndex Score
8 records- 0179US6405795B2Subsurface signal transmitting apparatusWEATHERFORD LAMB·Filed 2001·Granted Jun 18, 2002·42 cites·8 claims
- 0274US6209632B1Subsurface signal transmitting apparatusFiled 1996·Granted Apr 3, 2001·56 cites·15 claims
- 0365US4880257APressure compensation multi tubular safety jointBASSETT MAX·Filed 1983·Granted Nov 14, 1989·29 cites·14 claims
- 0465US4050731AShifting apparatusLYNES INC·Filed 1976·Granted Sep 27, 1977·20 cites·8 claims
- 0558US6672383B2Subsurface signal transmitting apparatusWEATHERFORD LAMB·Filed 2002·Granted Jan 6, 2004·16 cites·7 claims
- 0658US4212562AMethod and apparatus for leveling templates for offshore subterranean wellsLYNES INC·Filed 1978·Granted Jul 15, 1980·22 cites·14 claims
- 0751US6065544AMethod and apparatus for multiple packer pressure reliefFiled 1997·Granted May 23, 2000·32 cites·16 claims
- 0844US7093680B2Subsurface signal transmitting apparatusWEATHERFORD LAMB·Filed 2003·Granted Aug 22, 2006·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →