Inventor · disambiguated record
Douglas H. Fineberg
Also filed as: FINEBERG DOUGLAS H
5 granted patents·261 citations·filing 1981–1989
84Inventor score
Top patents by PatentIndex Score
5 records- 0190US4478286AEqualizing valve for subterranean wellsBAKER OIL TOOLS INC·Filed 1983·Granted Oct 23, 1984·114 cites·14 claims
- 0288US4531587ADownhole flapper valveBAKER OIL TOOLS INC·Filed 1984·Granted Jul 30, 1985·95 cites·14 claims
- 0358US4681160AApparatus for securing a measurement-while-drilling (MWD) instrument within a pipeDRESSER IND·Filed 1985·Granted Jul 21, 1987·17 cites·8 claims
- 0457US4445572AUnrestricted bore safety jointBAKER INT CORP·Filed 1981·Granted May 1, 1984·24 cites·32 claims
- 0535US4984969APlunger lift toolEASTPORT INTERNATIONAL·Filed 1989·Granted Jan 15, 1991·11 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →