Assignee
WARDLAW III LOUIS J
4 granted patents·167 citations·filing 1982–1986
Top patents by PatentIndex Score
4 records- 0188US4711300ADownhole cementing tool assemblyWARDLAW III LOUIS J·Filed 1986·Granted Dec 8, 1987·86 cites·6 claims
- 0277US4585158AMethod of welding using preheating insert for heavy wall pipeWARDLAW III LOUIS J·Filed 1984·Granted Apr 29, 1986·47 cites·4 claims
- 0363US4507082APreheating insert for heavy wall pipeWARDLAW III LOUIS J·Filed 1982·Granted Mar 26, 1985·29 cites·7 claims
- 0434US4596135AMethod for testing integrity of welds at elevated temperaturesWARDLAW III LOUIS J·Filed 1985·Granted Jun 24, 1986·5 cites·8 claims
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