Inventor · disambiguated record
Joseph F. Donovan
Also filed as: DONOVAN JOSEPH F
21 granted patents·1,648 citations·filing 1981–1997
97Inventor score
Top patents by PatentIndex Score
21 records- 0197US6167965B1Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellboresBAKER HUGHES INC·Filed 1996·Granted Jan 2, 2001·440 cites·35 claims
- 0296US5868210AMulti-lateral wellbore systems and methods for forming sameBAKER HUGHES INC·Filed 1996·Granted Feb 9, 1999·175 cites·57 claims
- 0391US4401158AOne trip multi-zone gravel packing apparatusBAKER INT CORP·Filed 1981·Granted Aug 30, 1983·103 cites·5 claims
- 0489US5662170AMethod of drilling and completing wellsBAKER HUGHES INC·Filed 1996·Granted Sep 2, 1997·140 cites·36 claims
- 0589US4747201ABoosterless perforating gunBAKER OIL TOOLS INC·Filed 1986·Granted May 31, 1988·95 cites·11 claims
- 0687US4917183AGravel pack screen having retention mesh support and fluid permeable particulate solidsBAKER HUGHES INC·Filed 1988·Granted Apr 17, 1990·95 cites·34 claims
- 0787US4856591AMethod and apparatus for completing a non-vertical portion of a subterranean well boreBAKER HUGHES INC·Filed 1988·Granted Aug 15, 1989·81 cites·65 claims
- 0880US5762149AMethod and apparatus for well bore constructionBAKER HUGHES INC·Filed 1995·Granted Jun 9, 1998·97 cites·30 claims
- 0980US4635734ABoosterless perforating gun and method of assemblyBAKER OIL TOOLS INC·Filed 1985·Granted Jan 13, 1987·35 cites·13 claims
- 1079US6279658B1Method of forming and servicing wellbores from a main wellboreBAKER HUGHES INC·Filed 1997·Granted Aug 28, 2001·90 cites·15 claims
- 1177US4915172AMethod for completing a non-vertical portion of a subterranean well boreBAKER HUGHES INC·Filed 1989·Granted Apr 10, 1990·51 cites·3 claims
- 1274US5327974AMethod and apparatus for removing debris from a wellboreBAKER HUGHES INC·Filed 1992·Granted Jul 12, 1994·55 cites·21 claims
- 1369US5113941ASurface sand detection monitoring device and methodBAKER HUGHES INC·Filed 1990·Granted May 19, 1992·32 cites·12 claims
- 1460USRE34451EPerforating gun with augerBAKER HUGHES INC·Filed 1992·Granted Nov 23, 1993·28 cites·12 claims
- 1558US5076355APerforating gun with augerBAKER HUGHES INC·Filed 1990·Granted Dec 31, 1991·26 cites·11 claims
- 1653US5016716ATubing carried perforating gun with insulation jacketBAKER HUGHES INC·Filed 1990·Granted May 21, 1991·27 cites·5 claims
- 1752US5115864AGravel pack screen having retention means and fluid permeable particulate solidsBAKER HUGHES INC·Filed 1991·Granted May 26, 1992·31 cites·17 claims
- 1847US5150753AGravel pack screen having retention mesh support and fluid permeable particulate solidsBAKER HUGHES INC·Filed 1991·Granted Sep 29, 1992·24 cites·17 claims
- 1940US4667735AFluid pressure activated firing head for providing clean fluidBAKER OIL TOOLS INC·Filed 1984·Granted May 26, 1987·10 cites·3 claims
- 2036US5050678AGravel pack screen having retention means and fluid permeable particulate solidsBAKER HUGHES INC·Filed 1989·Granted Sep 24, 1991·11 cites·22 claims
- 2130US4708200AApparatus for maintaining clean fluid in a chamber in a subterranean well toolBAKER OIL TOOLS INC·Filed 1986·Granted Nov 24, 1987·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →