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Inventor
ELLIS FIFE
US
4 patents
⚠️ This page may combine multiple inventors who share the name “ELLIS FIFE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRIL QUIP INC
2 patents
US11072984B2
Jul 27, 2021
One trip lockdown sleeve and running tool
DRIL QUIP INC
8 citations
76
USRE50827E
Mar 17, 2026
One trip lockdown sleeve and running tool
DRIL QUIP INC
0 citations
54
HAFERNIK STEVEN
1 patent
US9181761B2
Nov 10, 2015
Riser tensioning system
HAFERNIK STEVEN
7 citations
71
DRIL-QUIP INC
1 patent
US9784064B2
Oct 10, 2017
Methods and systems for operating a downhole tool
DRIL-QUIP INC
0 citations
39