MD

Michael Chad Darby

PS Petroquip Energy Services: 8 patents #5 of 16Top 35%
📍 Katy, TX: #297 of 2,042 inventorsTop 15%
🗺 Texas: #18,864 of 125,132 inventorsTop 20%
Overall (All Time): #653,993 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8251153 Control line feed through clamp Rodney Wayne Long, Charles David Wintill, William John Darnell, William Ryle Darnell 2012-08-28
8172000 Method for feeding control lines for drilling or workovers Rodney Wayne Long, Charles David Wintill, William John Darnell, William Ryle Darnell 2012-05-08
7628211 Method of connecting control lines to well bore equipment for controlling a well on a batch basis Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2009-12-08
7464759 Method for flowing fluid into or from a well Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2008-12-16
7428932 Completion system for a well Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2008-09-30
7422065 System for controlling zones of fluid in and out of a wellbore Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2008-09-09
7392839 Single line sliding sleeve downhole tool assembly Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2008-07-01
7373970 Pin connector with seal assembly Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, William John Darnell 2008-05-20