Inventor · disambiguated record
David Wahlquist
Also filed as: WAHLQUIST DAVID · WAHLQUIST DAVID C
29 granted patents·5 pending applications·334 citations·filing 2005–2025
97Inventor score
Top patents by PatentIndex Score
34 records- 0195US8738304B2System for acquiring data from a componentHALL DAVID R·Filed 2011·Granted May 27, 2014·27 cites·16 claims
- 0294US7887142B2Sensors on a degradation machineHALL DAVID R·Filed 2008·Granted Feb 15, 2011·26 cites·13 claims
- 0393US7223049B2Apparatus, system and method for directional degradation of a paved surfaceHALL DAVID R·Filed 2005·Granted May 29, 2007·27 cites·18 claims
- 0492US7549821B2Wireless remote-controlled pavement recycling machineHALL DAVID R·Filed 2006·Granted Jun 23, 2009·32 cites·20 claims
- 0591US7976239B2End of a moldboard positioned proximate a milling drumHALL DAVID R·Filed 2010·Granted Jul 12, 2011·19 cites·15 claims
- 0691US7424922B2Rotary valve for a jack hammerHALL DAVID R·Filed 2007·Granted Sep 16, 2008·41 cites·20 claims
- 0787US7544011B2Apparatus for depositing pavement rejuvenation materials on a road surfaceHALL DAVID R·Filed 2005·Granted Jun 9, 2009·22 cites·10 claims
- 0886US8061782B2Sensors on a degradation machineHALL DAVID R·Filed 2008·Granted Nov 22, 2011·11 cites·18 claims
- 0985US7686536B2Pavement degradation piston assemblyHALL DAVID R·Filed 2007·Granted Mar 30, 2010·12 cites·20 claims
- 1083US8256847B2Rotational milling chamberHALL DAVID R·Filed 2010·Granted Sep 4, 2012·7 cites·16 claims
- 1183US7717521B2Metal detector for an asphalt milling machineHALL DAVID R·Filed 2007·Granted May 18, 2010·18 cites·19 claims
- 1282US7600376B2Energy storageHALL DAVID R·Filed 2007·Granted Oct 13, 2009·14 cites·21 claims
- 1380US7757971B2Diamond nozzleSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jul 20, 2010·10 cites·15 claims
- 1479US8770668B2System and method for exchanging a milling drum assemblyHALL DAVID R·Filed 2010·Granted Jul 8, 2014·8 cites·19 claims
- 1576US2025230876A1Needle for a choke valve assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 1673US7677672B2Depth detecting assemblyHALL DAVID R·Filed 2008·Granted Mar 16, 2010·9 cites·17 claims
- 1772US7942605B2Milling drumHALL DAVID R·Filed 2007·Granted May 17, 2011·9 cites·20 claims
- 1872US7854566B2Nozzles incorporated into a milling machineHALL DAVID R·Filed 2008·Granted Dec 21, 2010·9 cites·20 claims
- 1971US7798745B2Nozzle for a pavement reconditioning machineHALL DAVID R·Filed 2007·Granted Sep 21, 2010·8 cites·19 claims
- 2069US8313050B2Diamond nozzleHALL DAVID R·Filed 2010·Granted Nov 20, 2012·2 cites·18 claims
- 2168US12270477B2Needle for a choke valve assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Apr 8, 2025·0 cites·12 claims
- 2268US8314608B2Method of determining distance to a ferrous materialHALL DAVID R·Filed 2010·Granted Nov 20, 2012·3 cites·20 claims
- 2368US7828392B2Metal detector for a milling machineHALL DAVID R·Filed 2007·Granted Nov 9, 2010·3 cites·17 claims
- 2467US7976238B2End of a moldboard positioned proximate a milling drumHALL DAVID R·Filed 2010·Granted Jul 12, 2011·4 cites·20 claims
- 2563US8485756B2Heated liquid nozzles incorporated into a moldboardHALL DAVID R·Filed 2010·Granted Jul 16, 2013·3 cites·19 claims
- 2662US10088563B2Ground penetrating radar with multiple correlatorsNOVATEK IP LLC·Filed 2015·Granted Oct 2, 2018·1 cites·19 claims
- 2759US7677036B2Hydraulic energy storage with an internal elementHALL DAVID R·Filed 2007·Granted Mar 16, 2010·3 cites·24 claims
- 2856US7967083B2Sensor for determining a position of a jack elementSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Jun 28, 2011·4 cites·20 claims
- 2952US9541640B2Ground penetrating radar with variable dwell timeHALL DAVID R·Filed 2013·Granted Jan 10, 2017·1 cites·18 claims
- 3049US8205688B2Lead the bit rotary steerable systemHALL DAVID R·Filed 2009·Granted Jun 26, 2012·1 cites·17 claims
- 3142US2013234494A1Sensors on a Degradation PlatformHALL DAVID R·Filed 2012·Application pending·0 cites
- 3242US2015035344A1Pick Tool with a Removable ShankHALL DAVID R·Filed 2013·Application pending·0 cites
- 3341US2011121633A1Billing System Integrated into a Milling MachineHALL DAVID R·Filed 2010·Application pending·0 cites
- 3436US2011273147A1Electric Tap in a Voltage Regulator CircuitHALL DAVID R·Filed 2010·Application pending·0 cites
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