Inventor · disambiguated record
Donald L. Purvis
Also filed as: PURVIS DONALD L
2 granted patents·1 pending application·214 citations·filing 2000–2007
71Inventor score
Files withBJ SERVICES CO3
Top patents by PatentIndex Score
3 records- 0189US7207386B2Method of hydraulic fracturing to reduce unwanted water productionBJ SERVICES CO·Filed 2004·Granted Apr 24, 2007·79 cites·33 claims
- 0287US6367548B1Diversion treatment methodBJ SERVICES CO·Filed 2000·Granted Apr 9, 2002·135 cites·17 claims
- 0351US2007193746A1Method of hydraulic fracturing to reduce unwanted water productionsBJ SERVICES CO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →