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Inventor
NIKIFORUK KEVIN J
US
6 patents
⚠️ This page may combine multiple inventors who share the name “NIKIFORUK KEVIN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TESCO CORP
2 patents
US7770654B2
Aug 10, 2010
Pipe handling device, method and system
TESCO CORP
9 citations
80
US7793729B2
Sep 14, 2010
Gate valve and method of controlling pressure during casing-while-drilling operations
TESCO CORP
2 citations
58
SCHLUMBERGER TECHNOLOGY CORP
2 patents
US9175532B2
Nov 3, 2015
Downhole tool hydraulic retriever
SCHLUMBERGER TECHNOLOGY CORP
4 citations
62
US9507319B2
Nov 29, 2016
Flow control diverter valve
SCHLUMBERGER TECHNOLOGY CORP
1 citations
48
NIKIFORUK KEVIN J
1 patent
US8439121B2
May 14, 2013
Hydraulic interlock system between casing gripper and spider
NIKIFORUK KEVIN J
4 citations
46
NEIDHARDT DIETMAR J
1 patent
US9045944B2
Jun 2, 2015
Pull-down method and equipment for installing well casing
NEIDHARDT DIETMAR J
0 citations
42