Inventor · disambiguated record
Lee W. Stepp
Also filed as: STEPP LEE W · STEPP LEE WAYNE
22 granted patents·1,608 citations·filing 1981–2004
97Inventor score
Top patents by PatentIndex Score
22 records- 0196US6491116B2Frac plug with caged ballHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Dec 10, 2002·193 cites·17 claims
- 0295US6394180B1Frac plug with caged ballHALLIBURTON ENERGY SERVICE S I·Filed 2000·Granted May 28, 2002·185 cites·13 claims
- 0393US4712619APoppet valveHALLIBURTON CO·Filed 1986·Granted Dec 15, 1987·79 cites·3 claims
- 0492US4583593AHydraulically activated liner setting deviceHALLIBURTON CO·Filed 1985·Granted Apr 22, 1986·110 cites·20 claims
- 0590US5394941AFracture oriented completion tool systemHALLIBURTON CO·Filed 1993·Granted Mar 7, 1995·127 cites·28 claims
- 0684US6378606B1High temperature high pressure retrievable packer with barrel slipHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Apr 30, 2002·61 cites·10 claims
- 0783US6102117ARetrievable high pressure, high temperature packer apparatus with anti-extrusion systemHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Aug 15, 2000·86 cites·24 claims
- 0883US5381862ACoiled tubing operated full opening completion tool systemHALLIBURTON CO·Filed 1993·Granted Jan 17, 1995·81 cites·40 claims
- 0983US5109925AMultiple stage inflation packer with secondary opening rupture discHALLIBURTON CO·Filed 1991·Granted May 5, 1992·92 cites·20 claims
- 1082US5400855ACasing inflation packerHALLIBURTON CO·Filed 1993·Granted Mar 28, 1995·77 cites·23 claims
- 1181US6666266B2Screw-driven wellhead isolation toolHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Dec 23, 2003·58 cites·50 claims
- 1279US6481497B2High temperature high pressure retrievable packer with barrel slipHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 19, 2002·47 cites·11 claims
- 1379US5314015AStage cementer and inflation packer apparatusHALLIBURTON CO·Filed 1992·Granted May 24, 1994·72 cites·44 claims
- 1479US4664188ARetrievable well packerHALLIBURTON CO·Filed 1986·Granted May 12, 1987·61 cites·15 claims
- 1576US6318460B1Retrievable high pressure, high temperature packer apparatus with anti-extrusion system and methodHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Nov 20, 2001·43 cites·18 claims
- 1676US4606408AMethod and apparatus for gravel-packing a wellHALLIBURTON CO·Filed 1985·Granted Aug 19, 1986·53 cites·20 claims
- 1769US4418754AMethod and apparatus for gravel packing a zone in a wellHALLIBURTON CO·Filed 1981·Granted Dec 6, 1983·34 cites·16 claims
- 1867US7234517B2System and method for sensing load on a downhole toolHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Jun 26, 2007·30 cites·28 claims
- 1966US7048066B2Downhole sealing tools and method of useHALLIBURTON ENERGY SERV INC·Filed 2002·Granted May 23, 2006·30 cites·35 claims
- 2062US5348089AMethod and apparatus for the multiple stage cementing of a casing string in a wellHALLIBURTON CO·Filed 1993·Granted Sep 20, 1994·35 cites·9 claims
- 2161US6966386B2Downhole sealing tools and method of useHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 22, 2005·25 cites·18 claims
- 2259US4683955AAutomatic fill-up floating apparatusHALLIBURTON CO·Filed 1986·Granted Aug 4, 1987·29 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →