Inventor
BRANDSDAL VIGGO
NO21 patents
⚠️ This page may combine multiple inventors who share the name “BRANDSDAL VIGGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRANDSDAL VIGGO
6 patentsUS8322448B2Dec 4, 2012
Device for plug removal
BRANDSDAL VIGGO21 citations91
US9222322B2Dec 29, 2015
Plug construction comprising a hydraulic crushing body
BRANDSDAL VIGGO12 citations83
US8397813B2Mar 19, 2013
Device for a test plug
BRANDSDAL VIGGO14 citations83
US9194205B2Nov 24, 2015
Device for a plug construction for conducting well tests
BRANDSDAL VIGGO8 citations77
US9234405B2Jan 12, 2016
Device for a fluid operated valve body and method for operation of the valve body
BRANDSDAL VIGGO1 citations51
US8671968B2Mar 18, 2014
Device for pressure testing of pipes
BRANDSDAL VIGGO0 citations40
NINE DOWNHOLE TECH LLC
5 patentsUS11149522B2Oct 19, 2021
Plugging device
NINE DOWNHOLE TECH LLC18 citations89
US11713649B2Aug 1, 2023
Plugging device
NINE DOWNHOLE TECH LLC2 citations66
US11970922B2Apr 30, 2024
Multi-cycle counter system
NINE DOWNHOLE TECH LLC0 citations55
US12312911B2May 27, 2025
Multi-cycle counter system
NINE DOWNHOLE TECH LLC0 citations52
US11761289B2Sep 19, 2023
Shearable sleeve
NINE DOWNHOLE TECH LLC0 citations51
FRAC TECH AS
5 patentsUS10934802B2Mar 2, 2021
Plug arrangement comprising a disintegratable plug element
FRAC TECH AS9 citations84
US10787884B2Sep 29, 2020
Downhole tool having a dissolvable plug
FRAC TECH AS8 citations82
US11959354B2Apr 16, 2024
Moveable disintegratable plug element
FRAC TECH AS1 citations71
US10544653B2Jan 28, 2020
Downhole tool
FRAC TECH AS3 citations68
US11299956B2Apr 12, 2022
Disintergratable plug element
FRAC TECH AS0 citations61