Inventor
SANGSTER JOHN DAVID
GB7 patents
⚠️ This page may combine multiple inventors who share the name “SANGSTER JOHN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INTERVENTEK SUBSEA ENGINEERING LTD
6 patentsUS11391304B2Jul 19, 2022
Rotary actuator
INTERVENTEK SUBSEA ENGINEERING LTD0 citations58
US11047206B2Jun 29, 2021
Valve
INTERVENTEK SUBSEA ENGINEERING LTD0 citations58
US10683721B2Jun 16, 2020
Test tree and actuator
INTERVENTEK SUBSEA ENGINEERING LTD1 citations58
US10246969B2Apr 2, 2019
Valve apparatus
INTERVENTEK SUBSEA ENGINEERING LTD0 citations47
US10801287B2Oct 13, 2020
Gate valve
INTERVENTEK SUBSEA ENGINEERING LTD0 citations37
US10267342B2Apr 23, 2019
Rotary actuator
INTERVENTEK SUBSEA ENGINEERING LTD0 citations37