Inventor · disambiguated record
Rick L. Stringfellow
Also filed as: STRINGFELLOW RICK · STRINGFELLOW RICK L
5 granted patents·1 pending application·92 citations·filing 2008–2024
81Inventor score
Technology areasE21B
Files withLARSON ERIC D2BAKER HUGHES OILFIELD OPERATIONS LLC1HYDRIL USA DISTRIB LLC1STRINGFELLOW RICK L1VETCO GRAY INC1
Top patents by PatentIndex Score
6 records- 0190US8312933B2Marine drilling riser systemLARSON ERIC D·Filed 2011·Granted Nov 20, 2012·21 cites·16 claims
- 0290US7913767B2System and method for connecting tubular membersVETCO GRAY INC·Filed 2008·Granted Mar 29, 2011·47 cites·20 claims
- 0381US8322438B2Riser buoyancy adjustable thrust columnLARSON ERIC D·Filed 2010·Granted Dec 4, 2012·13 cites·18 claims
- 0473US8316948B2Actuation assembly for riser connection dogSTRINGFELLOW RICK L·Filed 2010·Granted Nov 27, 2012·10 cites·10 claims
- 0571US11603731B2Inserts for variable bore ramsBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2020·Granted Mar 14, 2023·1 cites·5 claims
- 0650US2025129685A1Rcd housing and coupling methodHYDRIL USA DISTRIB LLC·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →