Assignee
MCLEOD RODERICK D
CA·13 granted patents·678 citations·filing 1983–1992
Technology mixE21B13
Top patents by PatentIndex Score
13 records- 0191US5012865AAnnular and concentric flow wellhead isolation toolMCLEOD RODERICK D·Filed 1989·Granted May 7, 1991·101 cites·5 claims
- 0285US4993489AWellhead isolation toolMCLEOD RODERICK D·Filed 1989·Granted Feb 19, 1991·73 cites·8 claims
- 0382US5103900AHigh pressure adapter for well-headsMCLEOD RODERICK D·Filed 1990·Granted Apr 14, 1992·90 cites·10 claims
- 0482US4993488AWell casing packersMCLEOD RODERICK D·Filed 1989·Granted Feb 19, 1991·65 cites·2 claims
- 0580US5020590ABack pressure plug toolMCLEOD RODERICK D·Filed 1989·Granted Jun 4, 1991·60 cites·3 claims
- 0679US4657075AWell head isolation toolMCLEOD RODERICK D·Filed 1985·Granted Apr 14, 1987·57 cites·1 claims
- 0777US4632183AInsertion drive system for tree saversMCLEOD RODERICK D·Filed 1984·Granted Dec 30, 1986·47 cites·5 claims
- 0867US5285852AWellhead isolation tool and method of use thereofMCLEOD RODERICK D·Filed 1992·Granted Feb 15, 1994·44 cites·10 claims
- 0967US4991650AWellhead isolation toolMCLEOD RODERICK D·Filed 1989·Granted Feb 12, 1991·37 cites·3 claims
- 1064US5261487APackoff nippleMCLEOD RODERICK D·Filed 1992·Granted Nov 16, 1993·41 cites·17 claims
- 1161US5025857AWellhead tubing and casing packer and installation and removal toolMCLEOD RODERICK D·Filed 1988·Granted Jun 25, 1991·30 cites·5 claims
- 1248US4691770AWell casing packerMCLEOD RODERICK D·Filed 1985·Granted Sep 8, 1987·18 cites·3 claims
- 1347US4601494ANipple insertMCLEOD RODERICK D·Filed 1983·Granted Jul 22, 1986·15 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →