Inventor · disambiguated record
Roland George Harper, Jr.
Also filed as: HARPER JR ROLAND G · HARPER JR ROLAND GEORGE
4 granted patents·221 citations·filing 1974–1989
80Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0193US4077525ADerrick mounted apparatus for the manipulation of pipeLAMB INDUSTRIES·Filed 1974·Granted Mar 7, 1978·179 cites·9 claims
- 0254US4053063AApparatus for handling pipe at well siteWEATHERFORD LAMB·Filed 1976·Granted Oct 11, 1977·20 cites·5 claims
- 0339US4880025ABOP control system and methods for using sameBAROID TECHNOLOGY INC·Filed 1989·Granted Nov 14, 1989·16 cites·4 claims
- 0432US3976132ATubing spreader mechanismLAMB INDUSTRIES·Filed 1975·Granted Aug 24, 1976·6 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →