Inventor · disambiguated record
Sylvester A. Joan
Also filed as: JOAN SYLVESTER A
3 granted patents·183 citations·filing 1996–2001
78Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0180US5848643ARotating blowout preventerHYDRIL CO·Filed 1996·Granted Dec 15, 1998·95 cites·8 claims
- 0273US6494266B2Controls bridge for flow completion systemsFMC TECHNOLOGIES·Filed 2001·Granted Dec 17, 2002·27 cites·62 claims
- 0368US6397948B1Shearing arrangement for subsea umbilicalsFMC TECHNOLOGIES·Filed 1999·Granted Jun 4, 2002·61 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →