DU

Don Umphries

📍 New Iberia, LA: #8 of 168 inventorsTop 5%
🗺 Louisiana: #598 of 10,876 inventorsTop 6%
Overall (All Time): #507,008 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10240440 Total control perforator and system Gabe Williger 2019-03-26
10138688 Wireless downhole tool positioning control Gabe Williger 2018-11-27
10119349 Redundant drill string cutting system Gabe Williger 2018-11-06
9476290 Bottom hole firing head and method Gabe Williger 2016-10-25
9033032 Wireless downhole tool positioning control Gabe Williger 2015-05-19
8919236 Perforating gun drop sub William T. Bell 2014-12-30
8910556 Bottom hole firing head and method Gabe Williger 2014-12-16
8302693 Wireless downhole tool positioning system Gabe Williger 2012-11-06
8286702 Wireless downhole tool positioning system Gabe Williger 2012-10-16
8272441 Wireless downhole tool positioning system Gabe Williger 2012-09-25