Inventor · disambiguated record
Imre I. Gazda
Also filed as: GAZDA IMRE I
34 granted patents·1,026 citations·filing 1975–2009
98Inventor score
Technology areasE21B
Top patents by PatentIndex Score
34 records- 0196US5492173APlug or lock for use in oil field tubular members and an operating system thereforHALLIBURTON CO·Filed 1993·Granted Feb 20, 1996·234 cites·6 claims
- 0283US4583592AWell test apparatus and methodsOTIS ENG CO·Filed 1984·Granted Apr 22, 1986·63 cites·49 claims
- 0382US7775269B2Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valveHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Aug 17, 2010·11 cites·20 claims
- 0482US4043392AWell systemOTIS ENG CO·Filed 1975·Granted Aug 23, 1977·50 cites·11 claims
- 0581US6675891B2Apparatus and method for gravel packing a horizontal open hole production intervalHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jan 13, 2004·61 cites·45 claims
- 0680US7249635B2Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valveHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Jul 31, 2007·11 cites·58 claims
- 0778US6880641B2Subsurface safety valve and method for communicating hydraulic fluid therethroughHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Apr 19, 2005·27 cites·80 claims
- 0878US6742595B2Subsurface safety valve lock out and communication tool and method for use of the sameHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Jun 1, 2004·29 cites·25 claims
- 0978US6523614B2Subsurface safety valve lock out and communication tool and method for use of the sameHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Feb 25, 2003·29 cites·21 claims
- 1077US6659185B2Subsurface safety valve lock out and communication tool and method for use of the sameHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Dec 9, 2003·27 cites·23 claims
- 1172US4069865ABottom hole fluid pressure communicating probe and locking mandrelOTIS ENG CO·Filed 1977·Granted Jan 24, 1978·35 cites·60 claims
- 1271US4149593AWell testing tool systemOTIS ENG CO·Filed 1977·Granted Apr 17, 1979·34 cites·21 claims
- 1370US7475733B2Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valveHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Jan 13, 2009·6 cites·23 claims
- 1465US4023620ANo-go bomb hangerOTIS ENG CO·Filed 1976·Granted May 17, 1977·26 cites·31 claims
- 1564US6953093B2Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valveHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Oct 11, 2005·14 cites·20 claims
- 1664US4750560ADevice for releasably connecting well toolsOTIS ENG CO·Filed 1987·Granted Jun 14, 1988·35 cites·19 claims
- 1764US3990511AWell safety valve systemOTIS ENG CO·Filed 1975·Granted Nov 9, 1976·25 cites·16 claims
- 1863US4007798AHydraulic jarOTIS ENG CO·Filed 1975·Granted Feb 15, 1977·23 cites·26 claims
- 1959US4928761ATwo-way plugs for wellsOTIS ENG CO·Filed 1989·Granted May 29, 1990·31 cites·26 claims
- 2059US4540048ALocking device for well toolsOTIS ENG CO·Filed 1984·Granted Sep 10, 1985·23 cites·13 claims
- 2158US6070672AApparatus and method for downhole tool actuationHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Jun 6, 2000·36 cites·15 claims
- 2257US7032672B2Subsurface safety valve having a communication tool accessible non annular hydraulic chamberHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Apr 25, 2006·10 cites·22 claims
- 2357US4842064AWell testing apparatus and methodsOTIS ENG CO·Filed 1987·Granted Jun 27, 1989·26 cites·23 claims
- 2454US6035880APressure activated switch valveHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Mar 14, 2000·31 cites·57 claims
- 2554US4286661AEqualizing valve for use in a well tool stringOTIS ENG CO·Filed 1980·Granted Sep 1, 1981·20 cites·13 claims
- 2654US4035011ASoft set running toolOTIS ENG CO·Filed 1976·Granted Jul 12, 1977·18 cites·17 claims
- 2753US4181344ARunning toolOTIS ENG CO·Filed 1978·Granted Jan 1, 1980·16 cites·8 claims
- 2851US4487261AWell completion and testing systemOTIS ENG CO·Filed 1981·Granted Dec 11, 1984·17 cites·27 claims
- 2949US6918440B2Testing drill packerHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Jul 19, 2005·12 cites·40 claims
- 3042US6267180B1Packer releasing tool and method for releasing a packer assembly from a wellboreHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Jul 31, 2001·18 cites·63 claims
- 3141US4018277ASelective bomb hangerOTIS ENG CO·Filed 1976·Granted Apr 19, 1977·9 cites·30 claims
- 3234US5170845ASubsurface safety valves and method and apparatus for their operationOTIS ENG CO·Filed 1991·Granted Dec 15, 1992·11 cites·11 claims
- 3331US4844160AParking mandrelOTIS ENG CO·Filed 1988·Granted Jul 4, 1989·3 cites·18 claims
- 3428US5205355ASubsurface safety valves and method and apparatus for their operationOTIS ENG CO·Filed 1992·Granted Apr 27, 1993·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →