Individual holder
MAYO JOHN H
5 granted patents·94 citations·filing 1978–1984
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0168US4152924ASub-sea equipment test and isolation toolMAYO JOHN H·Filed 1978·Granted May 8, 1979·32 cites·15 claims
- 0265US4373380ATest tool for sub-sea well head housings and method of testingMAYO JOHN H·Filed 1980·Granted Feb 15, 1983·34 cites·11 claims
- 0350US4559809AProcess of testing blow-out preventer without pulling the wear bushingMAYO JOHN H·Filed 1984·Granted Dec 24, 1985·19 cites·4 claims
- 0437US4578987ATest and isolation toolMAYO JOHN H·Filed 1984·Granted Apr 1, 1986·7 cites·4 claims
- 0528US4537069ADevice and method to enable detection and measurement of deformities in well componentsMAYO JOHN H·Filed 1984·Granted Aug 27, 1985·2 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →