Inventor · disambiguated record
Donna K. Pratt
Also filed as: PRATT DONNA K
5 granted patents·297 citations·filing 1981–1985
85Inventor score
Files withGEARHART IND INC5
Top patents by PatentIndex Score
5 records- 0189US4619318AChemical cutting method and apparatusGEARHART IND INC·Filed 1984·Granted Oct 28, 1986·91 cites·14 claims
- 0288US4491178AThrough tubing bridge plugGEARHART IND INC·Filed 1983·Granted Jan 1, 1985·82 cites·8 claims
- 0384US4494601ADownhole chemical cutting toolGEARHART IND INC·Filed 1981·Granted Jan 22, 1985·42 cites·19 claims
- 0473US4415029ADownhole well tool and anchoring assemblyGEARHART IND INC·Filed 1981·Granted Nov 15, 1983·44 cites·18 claims
- 0567US4620591AChemical cutting apparatus having selective pressure bleed-offGEARHART IND INC·Filed 1985·Granted Nov 4, 1986·38 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →