Inventor · disambiguated record

Jonathon Douglas Callaghan

Also filed as: CALLAGHAN JONATHON DOUGLAS

2 granted patents·7 citations·filing 2017–2020

49Inventor score

Technology areasE21B

Files withNAT OILWELL VARCO LP1 NOV CANADA ULC1

Top patents by PatentIndex Score

2 records

0187US10822924B2Multi-well bop cellar trailerNAT OILWELL VARCO LP·Filed 2017·Granted Nov 3, 2020·7 cites·8 claims
0257US11549337B2Multi-well bop cellar trailerNOV CANADA ULC·Filed 2020·Granted Jan 10, 2023·0 cites·12 claims

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Jonathon Douglas Callaghan — Patent Inventor | PatentIndex