Assignee
HUCKABY LEONARD
4 granted patents·70 citations·filing 1976–1979
Top patents by PatentIndex Score
4 records- 0178US4224993ADewaxing valve for use in oil wellsHUCKABY LEONARD·Filed 1979·Granted Sep 30, 1980·31 cites·7 claims
- 0273US4274490AInternal fluid control valve for use in oil well remedial operationsHUCKABY LEONARD·Filed 1979·Granted Jun 23, 1981·25 cites·5 claims
- 0340US4047853AHydraulic unloading and circulating deviceHUCKABY LEONARD·Filed 1976·Granted Sep 13, 1977·7 cites·4 claims
- 0434US4157117AOil well tube draining method and meansHUCKABY LEONARD·Filed 1978·Granted Jun 5, 1979·7 cites·6 claims
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