Inventor · disambiguated record
Ralph A. Landrum, Jr.
Also filed as: LANDRUM JR RALPH A
4 granted patents·189 citations·filing 1981–1986
80Inventor score
Technology areasG01V
Top patents by PatentIndex Score
4 records- 0193US4715020ASimultaneous performance of multiple seismic vibratory surveysWESTERN ATLAS INT INC·Filed 1986·Granted Dec 22, 1987·138 cites·16 claims
- 0258US4344158ANoise-suppression methodWESTERN GEOPHYSICAL CO·Filed 1981·Granted Aug 10, 1982·21 cites·12 claims
- 0354US4567583AAdaptive preset force level control for a seismic vibratorWESTERN GEOPHYSICAL CO·Filed 1983·Granted Jan 28, 1986·17 cites·5 claims
- 0446US4516230AProtective drive-level limiter for an electro-hydraulic vibratorWESTERN GEOPHYSICAL CO·Filed 1983·Granted May 7, 1985·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →