Assignee
ORS DEV CORP
US·3 granted patents·480 citations·filing 1987–1987
Top patents by PatentIndex Score
3 records- 0196US4821798AHeating system for rathole oil wellORS DEV CORP·Filed 1987·Granted Apr 18, 1989·197 cites·19 claims
- 0294US4793409AMethod and apparatus for forming an insulated oil well casingORS DEV CORP·Filed 1987·Granted Dec 27, 1988·162 cites·43 claims
- 0391US4790375AMineral well heating systemsORS DEV CORP·Filed 1987·Granted Dec 13, 1988·121 cites·56 claims
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