Inventor
UMPHRIES DON
US10 patents
⚠️ This page may combine multiple inventors who share the name “UMPHRIES DON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UMPHRIES DON
9 patentsUS10119349B2Nov 6, 2018
Redundant drill string cutting system
UMPHRIES DON7 citations82
US9476290B2Oct 25, 2016
Bottom hole firing head and method
UMPHRIES DON14 citations82
US8910556B2Dec 16, 2014
Bottom hole firing head and method
UMPHRIES DON15 citations82
US8286702B2Oct 16, 2012
Wireless downhole tool positioning system
UMPHRIES DON6 citations82
US10240440B2Mar 26, 2019
Total control perforator and system
UMPHRIES DON3 citations71
US9033032B2May 19, 2015
Wireless downhole tool positioning control
UMPHRIES DON3 citations60
US8302693B2Nov 6, 2012
Wireless downhole tool positioning system
UMPHRIES DON2 citations60
US8272441B2Sep 25, 2012
Wireless downhole tool positioning system
UMPHRIES DON3 citations60
US10138688B2Nov 27, 2018
Wireless downhole tool positioning control
UMPHRIES DON0 citations50