Inventor · disambiguated record
Donald L. Gerrard
Also filed as: GERRARD DONALD L
6 granted patents·224 citations·filing 1986–1988
87Inventor score
Technology areasG01N
Files withBRITISH PETROLEUM CO PLC6
Top patents by PatentIndex Score
6 records- 0189US4900147ADiamond mappingBRITISH PETROLEUM CO PLC·Filed 1988·Granted Feb 13, 1990·82 cites·17 claims
- 0274US4799786AMethod of diamond identificationBRITISH PETROLEUM CO PLC·Filed 1986·Granted Jan 24, 1989·35 cites·4 claims
- 0369US4875771AMethod for assessing diamond qualityBRITISH PETROLEUM CO PLC·Filed 1986·Granted Oct 24, 1989·31 cites·11 claims
- 0468US4907875ADiamond separation processBRITISH PETROLEUM CO PLC·Filed 1988·Granted Mar 13, 1990·29 cites·13 claims
- 0566US4693377ADiamond separation using raman scatteringBRITISH PETROLEUM CO PLC·Filed 1986·Granted Sep 15, 1987·31 cites·7 claims
- 0652US4919533AMethod for detecting diamonds in remote locationsBRITISH PETROLEUM CO PLC·Filed 1988·Granted Apr 24, 1990·16 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Donald L. Gerrard files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →