DB

David Belew

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #644,328 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9845641 Method and system for laterally drilling through a subterranean formation Barry Belew 2017-12-19
9316079 Method and apparatus for milling a zero radius lateral window in casing Jack J. Kolle, Mark Marvin 2016-04-19
9097083 Method and apparatus for milling a zero radius lateral window in casing Jack J. Kolle, Mark Marvin 2015-08-04
8915311 Method and apparatus for drilling a zero-radius lateral Jack J. Kolle, Mark Marvin 2014-12-23
8312939 Method and system for laterally drilling through a subterranean formation Barry Belew, Alice Belew 2012-11-20
7686101 Method and apparatus for laterally drilling through a subterranean formation Barry Belew 2010-03-30
6920945 Method and system for facilitating horizontal drilling Barry Belew 2005-07-26
6257353 Horizontal drilling method and apparatus Barry Belew 2001-07-10