Inventor · disambiguated record
Alfred Massie
Also filed as: MASSIE ALFRED
2 granted patents·1 pending application·91 citations·filing 2002–2005
68Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0188US7073591B2Casing hanger annulus monitoring systemVETCO GRAY INC·Filed 2005·Granted Jul 11, 2006·53 cites·16 claims
- 0266US6705401B2Ported subsea wellheadVETCO GRAY INC ABB·Filed 2002·Granted Mar 16, 2004·38 cites·19 claims
- 0328US2003121667A1Casing hanger annulus monitoring systemFiled 2002·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →