Inventor · disambiguated record
Robert J. Spring
Also filed as: SPRING ROBERT J
2 granted patents·1 pending application·65 citations·filing 1985–2004
65Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0164US4711299AApparatus and methods for pumping solids and undesirable liquids from a well boreADAPTABLE TOOL COMPANY·Filed 1986·Granted Dec 8, 1987·43 cites·6 claims
- 0245US4621693AApparatus and methods for pumping solids and undesirable liquids from a well boreADAPTABLE TOOL COMPANY·Filed 1985·Granted Nov 11, 1986·22 cites·12 claims
- 0321US2005247447A1Angled perforating device for well completionsSPRING ROGER L·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →