Inventor · disambiguated record

David A. Carnahan

Also filed as: CARNAHAN DAVID A

3 granted patents·38 citations·filing 1974–1987

71Inventor score

Technology areasY10T

Files withCARNAHAN DAVID A3

Top patents by PatentIndex Score

3 records

0152US4133342AMethod of replacing seals in a well ram type blow out preventerCARNAHAN DAVID A·Filed 1976·Granted Jan 9, 1979·13 cites·17 claims
0250US4825948ARemotely variable multiple bore ram system and methodCARNAHAN DAVID A·Filed 1987·Granted May 2, 1989·15 cites·3 claims
0347US4003430AApparatus for the replacement of seals in a well ram type blow out preventerCARNAHAN DAVID A·Filed 1974·Granted Jan 18, 1977·10 cites·10 claims

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