Inventor · disambiguated record
Mark A. Staggs
Also filed as: STAGGS MARK A · STAGGS MARK ALAN
4 granted patents·74 citations·filing 1998–2005
77Inventor score
Top patents by PatentIndex Score
4 records- 0175US5960700AReplaceable mud pump piston sealNAT OILWELL LP·Filed 1998·Granted Oct 5, 1999·45 cites·20 claims
- 0273US6588318B2Hydraulic retention system for reciprocating pump cylinder linerNAT OILWELL LP·Filed 2001·Granted Jul 8, 2003·20 cites·19 claims
- 0366US7546849B2Rotating bonded valve assemblyNAT OILWELL VARCO LP·Filed 2005·Granted Jun 16, 2009·5 cites·20 claims
- 0465US7350534B2Hollow ball valve assemblyNAT OILWELL VARCO LP·Filed 2005·Granted Apr 1, 2008·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →