Inventor
DRAKE RONALD D
US6 patents
⚠️ This page may combine multiple inventors who share the name “DRAKE RONALD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OIL SANDS UNDERGROUND MINING I
3 patentsUS6929330B2Aug 16, 2005
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I56 citations94
US6869147B2Mar 22, 2005
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I40 citations94
US6554368B2Apr 29, 2003
Method and system for mining hydrocarbon-containing materials
OIL SANDS UNDERGROUND MINING I52 citations94