Assignee
WEATHERFORD DMC
US·5 granted patents·233 citations·filing 1977–1979
Top patents by PatentIndex Score
5 records- 0191US4250960AChemical cutting apparatusWEATHERFORD DMC·Filed 1979·Granted Feb 17, 1981·89 cites·8 claims
- 0285US4125161AChemical cutting apparatus and method for use in wellsWEATHERFORD DMC·Filed 1977·Granted Nov 14, 1978·55 cites·8 claims
- 0382US4270440AHigh pressure piston and sealWEATHERFORD DMC·Filed 1979·Granted Jun 2, 1981·41 cites·13 claims
- 0470US4180131AChemical cutting apparatus for use in wellsWEATHERFORD DMC·Filed 1978·Granted Dec 25, 1979·34 cites·18 claims
- 0552US4158389AChemical cutting apparatus and method for use in wellsWEATHERFORD DMC·Filed 1978·Granted Jun 19, 1979·14 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →