Inventor · disambiguated record
John E. Hey
Also filed as: HEY JOHN · HEY JOHN E
5 granted patents·1 pending application·72 citations·filing 1985–2016
80Inventor score
Top patents by PatentIndex Score
6 records- 0187US9463963B2Deep water knuckle boom craneNAT OILWELL VARCO LP·Filed 2012·Granted Oct 11, 2016·9 cites·19 claims
- 0282US9290362B2Remote heave compensation systemNAT OILWELL VARCO LP·Filed 2013·Granted Mar 22, 2016·8 cites·17 claims
- 0366US4892202ADeepwater extended hook travel attachmentAMCA INT CORP·Filed 1988·Granted Jan 9, 1990·24 cites·20 claims
- 0466US4721286ASplit block for extended travelAMCA INT CORP·Filed 1985·Granted Jan 26, 1988·30 cites·5 claims
- 0557US9284161B2Self-balancing spreader beamNAT OILWELL VARCO LP·Filed 2014·Granted Mar 15, 2016·1 cites·19 claims
- 0653US2016376132A1Deep water knuckle boom craneNAT OILWELL VARCO LP·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →