Inventor · disambiguated record
Raymond D. Livingstone
Also filed as: LIVINGSTONE RAYMOND D · LIVINGSTONE RAYMOND DEAN
3 granted patents·67 citations·filing 1990–1996
73Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0147US5125463AAdjustable bent subLIVINGSTONE RAYMOND S S·Filed 1990·Granted Jun 30, 1992·29 cites·10 claims
- 0245US5495901ASurface adjustable adjustable bent housingCANADIAN DOWNHOLE DRILL SYSTEM·Filed 1995·Granted Mar 5, 1996·25 cites·7 claims
- 0332US5664891ADownhole bearing assembly which accommodates compressive and tensile axialCANADIAN DOWNHOLE DRILL SYSTEM·Filed 1996·Granted Sep 9, 1997·13 cites·17 claims
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