Inventor
DUNBAR MARK
US5 patents
⚠️ This page may combine multiple inventors who share the name “DUNBAR MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUNSTONE CORP
2 patentsUS7468173B2Dec 23, 2008
Method for producing nitrogen to use in under balanced drilling, secondary recovery production operations and pipeline maintenance
SUNSTONE CORP68 citations95
US7981379B2Jul 19, 2011
Producing nitrogen to use in under balanced drilling, secondary recovery production operations and pipeline maintenance
SUNSTONE CORP2 citations60