Assignee

TODD JOHN C

2 granted patents·243 citations·filing 1978–1979

Technology mixE21B2

Top patents by PatentIndex Score

2 records

0195US4446917AMethod and apparatus for producing viscous or waxy crude oilsTODD JOHN C·Filed 1979·Granted May 8, 1984·199 cites·4 claims
0279US4237973AMethod and apparatus for steam generation at the bottom of a well boreTODD JOHN C·Filed 1978·Granted Dec 9, 1980·44 cites·8 claims

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