Assignee
AMERICAN COLDSET CORP
3 granted patents·173 citations·filing 1977–1979
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0182US4142594AMethod and core barrel apparatus for obtaining and retrieving subterranean formation samplesAMERICAN COLDSET CORP·Filed 1977·Granted Mar 6, 1979·61 cites·40 claims
- 0281US4275935ADrilling stabilizerAMERICAN COLDSET CORP·Filed 1979·Granted Jun 30, 1981·64 cites·22 claims
- 0375US4258803ACore barrel for obtaining and retrieving subterranean formation samplesAMERICAN COLDSET CORP·Filed 1978·Granted Mar 31, 1981·48 cites·26 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →