Inventor · disambiguated record
David Mason
Also filed as: MASON DAVID · MASON DAVID B · MASON DAVID BRIAN · MASON JR DAVID B
14 granted patents·4 pending applications·466 citations·filing 1992–2022
94Inventor score
Top patents by PatentIndex Score
18 records- 0193US7591304B2Pipe running tool having wireless telemetryVARCO INT·Filed 2005·Granted Sep 22, 2009·62 cites·13 claims
- 0293US7287544B2Triple valve blow out preventerVARCO INT·Filed 2005·Granted Oct 30, 2007·33 cites·20 claims
- 0392US7699121B2Pipe running tool having a primary load pathVARCO INT·Filed 2005·Granted Apr 20, 2010·41 cites·15 claims
- 0485US5340182ASafety elevatorVARCO INT·Filed 1992·Granted Aug 23, 1994·129 cites·16 claims
- 0583US6935204B2Automated manual transmission and shift methodCATERPILLAR INC·Filed 2003·Granted Aug 30, 2005·26 cites·42 claims
- 0682US6845814B2Pipe-gripping structure having load ringsVARCO INT·Filed 2003·Granted Jan 25, 2005·61 cites·22 claims
- 0773US7510006B2Pipe running tool having a cement pathVARCO INT·Filed 2005·Granted Mar 31, 2009·14 cites·20 claims
- 0870US6776070B1Iron roughneckVARCO INT·Filed 2000·Granted Aug 17, 2004·43 cites·14 claims
- 0965US6896048B2Rotary support tableVARCO INT·Filed 2002·Granted May 24, 2005·32 cites·30 claims
- 1064US8356674B2Tubular running tool and methods of useNAT OILWELL VARCO LP·Filed 2008·Granted Jan 22, 2013·11 cites·33 claims
- 1156US7753138B2Pipe running tool having internal gripperVARCO INT·Filed 2005·Granted Jul 13, 2010·5 cites·16 claims
- 1252US2023358019A1Systems and methods for controlling a machine implementCATERPILLAR INC·Filed 2022·Application pending·0 cites
- 1347US7121295B2Internal blow out preventer ball and seatVARCO INT·Filed 2004·Granted Oct 17, 2006·9 cites·16 claims
- 1445US2010155140A1Pipe running tool having a primary load pathVARCO INT·Filed 2010·Application pending·0 cites
- 1538US2009101361A1Tubular running systemMASON DAVID BRIAN·Filed 2008·Application pending·0 cites
- 1636US2007251700A1Tubular running systemMASON DAVID B·Filed 2006·Application pending·0 cites
- 1734US6915857B2Non-seize material attachment for a drill slip systemVARCO INT·Filed 2004·Granted Jul 12, 2005·0 cites·34 claims
- 1824US6758280B2Non-seize material attachment for a drill slip systemVARCO INT·Filed 2002·Granted Jul 6, 2004·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →