Inventor · disambiguated record
David Z. Anderson
Also filed as: ANDERSON DAVID Z · ANDERSON DAVID ZACH
19 granted patents·2 pending applications·165 citations·filing 2006–2011
94Inventor score
Top patents by PatentIndex Score
21 records- 0190US8393386B2Subsurface safety valve and method of actuationLAKE GARY B·Filed 2009·Granted Mar 12, 2013·21 cites·20 claims
- 0280US8471551B2Magnetic position monitoring system and methodLAKE GARY B·Filed 2010·Granted Jun 25, 2013·6 cites·21 claims
- 0378US7637324B2Isolation valve for subsurface safety valve lineBAKER HUGHES INC·Filed 2007·Granted Dec 29, 2009·18 cites·19 claims
- 0475US7694742B2Downhole hydraulic control system with failsafe featuresBAKER HUGHES INC·Filed 2006·Granted Apr 13, 2010·16 cites·29 claims
- 0575US7591317B2Tubing pressure insensitive control systemBAKER HUGHES INC·Filed 2006·Granted Sep 22, 2009·16 cites·22 claims
- 0673US8267167B2Subsurface safety valve and method of actuationLAKE GARY B·Filed 2009·Granted Sep 18, 2012·14 cites·20 claims
- 0772US7552774B2Control line hydrostatic minimally sensitive control systemBAKER HUGHES INC·Filed 2006·Granted Jun 30, 2009·13 cites·20 claims
- 0870US7938179B2Method of using a charged chamber pressure transmitter for subterranean toolsBAKER HUGHES INC·Filed 2010·Granted May 10, 2011·3 cites·8 claims
- 0968US8176975B2Tubing pressure insensitive actuator system and methodLAKE GARY B·Filed 2008·Granted May 15, 2012·11 cites·21 claims
- 1067US7699108B2Distortion compensation for rod piston bore in subsurface safety valvesBAKER HUGHES INC·Filed 2006·Granted Apr 20, 2010·8 cites·13 claims
- 1166US7954550B2Tubing pressure insensitive control systemBAKER HUGHES INC·Filed 2008·Granted Jun 7, 2011·8 cites·9 claims
- 1264US7717185B2Lock open and control system access apparatus for a downhole safety valveBAKER HUGHES INCORPORATD·Filed 2008·Granted May 18, 2010·10 cites·19 claims
- 1362US7665518B2Method of using a charged chamber pressure transmitter for subsurface safety valvesBAKER HUGHES INC·Filed 2006·Granted Feb 23, 2010·6 cites·8 claims
- 1461US8215402B2Tubing pressure insensitive control systemANDERSON DAVID Z·Filed 2011·Granted Jul 10, 2012·2 cites·13 claims
- 1561US7762335B2Switching apparatus between independent control systems for a subsurface safety valveBAKER HUGHES INC·Filed 2007·Granted Jul 27, 2010·8 cites·22 claims
- 1658US7735560B2Distortion compensation for rod piston bore in subsurface safety valvesBAKER HUGHES INC·Filed 2008·Granted Jun 15, 2010·4 cites·7 claims
- 1755US8844631B2Debris removal system for downhole closure mechanism, and method thereofANDERSON DAVID Z·Filed 2011·Granted Sep 30, 2014·1 cites·20 claims
- 1834US9151139B2Method of reducing deflection through a rod piston in a subsurface safety valveBURRIS JOHN E·Filed 2011·Granted Oct 6, 2015·0 cites·18 claims
- 1932US2009032237A1Shape Memory Alloy Closure Spring for Subsurface Safety Valves Triggered by Well FluidsBANE DARREN E·Filed 2007·Application pending·0 cites
- 2031US8701782B2Subsurface safety valve with metal sealBANE DARREN E·Filed 2007·Granted Apr 22, 2014·0 cites·6 claims
- 2131US2008314599A1Tubing Pressure Balanced Operating System with Low Operating PressureBANE DARREN E·Filed 2007·Application pending·0 cites
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