Inventor · disambiguated record
Harold L. Petrie
Also filed as: PETRIE HAROLD L
7 granted patents·191 citations·filing 1977–1984
88Inventor score
Top patents by PatentIndex Score
7 records- 0184US4304410ASealing structure for reciprocating pistons exposed to high pressure differentialsKOBE INC·Filed 1979·Granted Dec 8, 1981·38 cites·2 claims
- 0281US4294573ASubmersible electrically powered centrifugal and jet pump assemblyKOBE INC·Filed 1979·Granted Oct 13, 1981·30 cites·19 claims
- 0381US4280662AErosion resistant jet pump and method of making sameKOBE INC·Filed 1979·Granted Jul 28, 1981·31 cites·8 claims
- 0480US4135861AJet pump with ceramic venturiKOBE INC·Filed 1977·Granted Jan 23, 1979·36 cites·9 claims
- 0562US4264285ADownhole cleaner assembly for cleansing lubricant of downhole turbo-machines within wellsKOBE INC·Filed 1979·Granted Apr 28, 1981·16 cites·39 claims
- 0656US4519457AOil well standing valveARMCO INC·Filed 1984·Granted May 28, 1985·26 cites·10 claims
- 0753US4082482AArticulated turbine pumpKOBE INC·Filed 1977·Granted Apr 4, 1978·14 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →