JH

John Hayhurst

AT Apex Technologies: 2 patents #3 of 9Top 35%
Overall (All Time): #1,032,292 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7198106 Method for enhancing gas well secondary recovery operations Brian Holt 2007-04-03
6832653 Method for enhancing gas well secondary recovery operations Brian Holt 2004-12-21
6622790 Method for enhancing gas well secondary recovery operations Brian Holt 2003-09-23
5001805 Lubrication evacuation method R. Jon Stouky 1991-03-26
4925496 Evacuation method for motor operated valves lubricant R. Jon Stouky 1990-05-15