Individual holder
HAYDEN JACK W
US·3 granted patents·38 citations·filing 1985–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0157US4646561AMethod and apparatus for hydrostatic testing of tubular memberHAYDEN JACK W·Filed 1986·Granted Mar 3, 1987·18 cites·28 claims
- 0239US5065617AMultiple diameter pipe test end closureHAYDEN JACK W·Filed 1990·Granted Nov 19, 1991·12 cites·3 claims
- 0338US4646559AApparatus and method to test a single connection between a pipe coupling and a single pipe end connected therewithHAYDEN JACK W·Filed 1985·Granted Mar 3, 1987·8 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →