Inventor · disambiguated record
David W. Mcculloch
Also filed as: MCCULLOCH DAVID · MCCULLOCH DAVID W
10 granted patents·1 pending application·191 citations·filing 2002–2015
89Inventor score
Top patents by PatentIndex Score
11 records- 0196US9353593B1Handler for blowout preventer assemblyNAT OILWELL VARCO LP·Filed 2015·Granted May 31, 2016·62 cites·22 claims
- 0295US9316067B1Coiled tubing injector handlerNAT OILWELL VARCO LP·Filed 2015·Granted Apr 19, 2016·30 cites·13 claims
- 0391US8727018B1Charging unit, system and method for activating a wellsite componentNAT OILWELL VARCO LP·Filed 2013·Granted May 20, 2014·10 cites·34 claims
- 0484US8544536B2Coiled tubing injector with limited slip chainsMCCULLOCH DAVID W·Filed 2010·Granted Oct 1, 2013·9 cites·15 claims
- 0579US7077209B2Mast for handling a coiled tubing injectorVARCO IP INC·Filed 2002·Granted Jul 18, 2006·69 cites·40 claims
- 0669US8701754B2Coiled tubing injector with strain reliefMCCULLOCH DAVID W·Filed 2013·Granted Apr 22, 2014·4 cites·13 claims
- 0768US9581009B2Coiled tubing injector with load sensing tubing guideNAT OILWELL VARCO LP·Filed 2013·Granted Feb 28, 2017·3 cites·21 claims
- 0866US9458682B2Coiled tubing injector with limited slip chainsNAT OILWELL VARCO LP·Filed 2015·Granted Oct 4, 2016·1 cites·12 claims
- 0951US9151122B2Coiled tubing injector with limited slip chainsNAT OILWELL VARCO LP·Filed 2013·Granted Oct 6, 2015·0 cites·6 claims
- 1037US7240726B2Elevating operator cabin for coiled tubing injectorVARCO INT·Filed 2004·Granted Jul 10, 2007·3 cites·24 claims
- 1133US2003201099A1Coiled tubing injector with flow limiterVARCO INT·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →