Inventor
MCCULLOCH DAVID W
US9 patents
⚠️ This page may combine multiple inventors who share the name “MCCULLOCH DAVID W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
6 patentsUS9353593B1May 31, 2016
Handler for blowout preventer assembly
NAT OILWELL VARCO LP62 citations95
US9316067B1Apr 19, 2016
Coiled tubing injector handler
NAT OILWELL VARCO LP30 citations91
US8727018B1May 20, 2014
Charging unit, system and method for activating a wellsite component
NAT OILWELL VARCO LP10 citations82
US9581009B2Feb 28, 2017
Coiled tubing injector with load sensing tubing guide
NAT OILWELL VARCO LP3 citations69
US9458682B2Oct 4, 2016
Coiled tubing injector with limited slip chains
NAT OILWELL VARCO LP1 citations61
US9151122B2Oct 6, 2015
Coiled tubing injector with limited slip chains
NAT OILWELL VARCO LP0 citations50