Inventor · disambiguated record
Louis J. Wardlaw
Also filed as: WARDLAW III LOUIS J · WARDLAW LOUIS · WARDLAW LOUIS J · WARDLAW LOUIS J III
13 granted patents·8 pending applications·333 citations·filing 1982–2015
93Inventor score
Files withWARDLAW LOUIS J7WARDLAW III LOUIS J4CINARUCO INTERNAT S A CALLE AG2HOT HED INC2CINARUCO INT S A1
Top patents by PatentIndex Score
21 records- 0188US4711300ADownhole cementing tool assemblyWARDLAW III LOUIS J·Filed 1986·Granted Dec 8, 1987·86 cites·6 claims
- 0285US7290609B2Subterranean well secondary plugging tool for repair of a first plugCINARUCO INTERNAT S A CALLE AG·Filed 2004·Granted Nov 6, 2007·95 cites·12 claims
- 0383US8436277B2Automatic shutoff system and method for workspace enclosure environmentWARDLAW LOUIS J·Filed 2010·Granted May 7, 2013·6 cites·6 claims
- 0477US4585158AMethod of welding using preheating insert for heavy wall pipeWARDLAW III LOUIS J·Filed 1984·Granted Apr 29, 1986·47 cites·4 claims
- 0570US7628532B2Apparatus and method incorporating an indicator chamber for elevated temperature pressure vessel or weld testingWARDLAW LOUIS J·Filed 2007·Granted Dec 8, 2009·3 cites·17 claims
- 0663US4507082APreheating insert for heavy wall pipeWARDLAW III LOUIS J·Filed 1982·Granted Mar 26, 1985·29 cites·7 claims
- 0758US5101604ASubterranean well welding habitatHOT HED INC·Filed 1991·Granted Apr 7, 1992·25 cites·12 claims
- 0850US2009134995A1Workspace enclosure system with automatic shut-offCINARUCO INTERNATIONAL S A·Filed 2007·Application pending·0 cites
- 0949US2007172329A1Theft abating stud and nut assembly for joining flanges of members of a fluid flow conduitWARDLAW LOUIS J·Filed 2006·Application pending·0 cites
- 1047US7124820B2Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduitWARDLAW LOUIS J·Filed 2004·Granted Oct 24, 2006·11 cites·5 claims
- 1147US2008076341A1Apparatus and method for use during operations for applying heat to at least one conduit memberWARDLAW LOUIS J·Filed 2006·Application pending·0 cites
- 1246US6758668B1Preheating device for heavy wall pipeFiled 2003·Granted Jul 6, 2004·2 cites·13 claims
- 1345US2008282652A1Modular welding or like operation conduit enclosure abstract of the disclosureWARDLAW LOUIS J·Filed 2007·Application pending·0 cites
- 1439US7249630B2Well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit in a subterranean wellCINARUCO INTERNAT S A CALLE AG·Filed 2004·Granted Jul 31, 2007·4 cites·6 claims
- 1539US5018321ASubterranean well welding habitatHOT HED INC·Filed 1990·Granted May 28, 1991·15 cites·7 claims
- 1638US2008217058A1Heating device for passage through subterranean asphalt and method of useWARDLAW LOUIS·Filed 2007·Application pending·0 cites
- 1735US2006000261A1Apparatus and method for elevated temperature weld testingWARDLAW LOUIS J III·Filed 2003·Application pending·0 cites
- 1834US4596135AMethod for testing integrity of welds at elevated temperaturesWARDLAW III LOUIS J·Filed 1985·Granted Jun 24, 1986·5 cites·8 claims
- 1934US2007175634A1Apparatus and method for repairing failure spots on subterranean well tubulars using shock wavesWARDLAW LOUIS J·Filed 2004·Application pending·0 cites
- 2034US2016273464A1Apparatus and method for managing an engine in the presence of combustive gasesCINARUCO INT S A·Filed 2015·Application pending·0 cites
- 2130US6237689B1Method for confirming the integrity of a seal system within a subterranean well conduit Christmas tree valve assemblyFiled 1998·Granted May 29, 2001·5 cites·1 claims
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