Inventor · disambiguated record

John Cannell

Also filed as: CANNELL JOHN · CANNELL JOHN DANA

2 granted patents·43 citations·filing 2008–2013

59Inventor score

Technology areasB65G E21B

Files withH & CS CORP1 NAT OILWELL VARCO LP1

Top patents by PatentIndex Score

2 records

0185US7637367B1Low profile over-under conveyorH & CS CORP·Filed 2008·Granted Dec 29, 2009·41 cites·12 claims
0259US9611704B2Hands free gooseneck with rotating cartridge assembliesNAT OILWELL VARCO LP·Filed 2013·Granted Apr 4, 2017·2 cites·20 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →