DW

David Wahlquist

Schlumberger Technology: 4 patents #1,558 of 7,293Top 25%
NI Novatek Ip: 1 patents #8 of 16Top 50%
Overall (All Time): #127,708 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
12270477 Needle for a choke valve assembly Frederic Pauchet, Edmund Peter McHugh, J. Daniel Belnap, Cheng Peng, Lynn Belnap +3 more 2025-04-08
10088563 Ground penetrating radar with multiple correlators David R. Hall 2018-10-02
9541640 Ground penetrating radar with variable dwell time David R. Hall, Don Lefevre 2017-01-10
8770668 System and method for exchanging a milling drum assembly David R. Hall, Jeff Jepson, Thomas Morris, Daniel Balling 2014-07-08
8738304 System for acquiring data from a component David R. Hall, Davido Hyer 2014-05-27
8485756 Heated liquid nozzles incorporated into a moldboard David R. Hall 2013-07-16
8313050 Diamond nozzle David R. Hall, Thomas Morris 2012-11-20
8314608 Method of determining distance to a ferrous material David R. Hall, Huntington Tracy Hall 2012-11-20
8256847 Rotational milling chamber David R. Hall, Jeff Jepson, Thomas Morris, Daniel Balling 2012-09-04
8205688 Lead the bit rotary steerable system David R. Hall 2012-06-26
8061782 Sensors on a degradation machine David R. Hall, Scott Dahlgren, Thomas Morris 2011-11-22
7976238 End of a moldboard positioned proximate a milling drum David R. Hall, Jeff Jepson, Thomas Morris, Joseph Nielson, Ronald B. Crockett +1 more 2011-07-12
7976239 End of a moldboard positioned proximate a milling drum David R. Hall, Jeff Jepson, Thomas Morris, Joseph Nielson, Ronald B. Crockett +1 more 2011-07-12
7967083 Sensor for determining a position of a jack element David R. Hall, Jim Shumway 2011-06-28
7942605 Milling drum David R. Hall, Neil Cannon, Thomas Morris 2011-05-17
7887142 Sensors on a degradation machine David R. Hall, Scott Dahlgren, Thomas Morris 2011-02-15
7854566 Nozzles incorporated into a milling machine David R. Hall, Neil Cannon, Thomas Morris 2010-12-21
7828392 Metal detector for a milling machine David R. Hall, Neil Cannon 2010-11-09
7798745 Nozzle for a pavement reconditioning machine David R. Hall, Thomas Morris 2010-09-21
7757971 Diamond nozzle David R. Hall, Thomas Morris 2010-07-20
7717521 Metal detector for an asphalt milling machine David R. Hall, Neil Cannon 2010-05-18
7686536 Pavement degradation piston assembly David R. Hall, Neil Cannon 2010-03-30
7677036 Hydraulic energy storage with an internal element David R. Hall, Francis Leany 2010-03-16
7677672 Depth detecting assembly David R. Hall, Neil Cannon 2010-03-16
7600376 Energy storage David R. Hall, Francis Leany, Scott Dahlgren 2009-10-13