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Inventor
FERRARI GIAMPAOLO
IT
3 patents
⚠️ This page may combine multiple inventors who share the name “FERRARI GIAMPAOLO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FERRARI GIAMPAOLO
1 patent
US8316968B2
Nov 27, 2012
Rolling cone drill bit having sharp cutting elements in a zone of interest
FERRARI GIAMPAOLO
8 citations
71
PORTWOOD GARY
1 patent
US9074431B2
Jul 7, 2015
Rolling cone drill bit having high density cutting elements
PORTWOOD GARY
2 citations
48
SMITH INTERNATIONAL
1 patent
US9856701B2
Jan 2, 2018
Rolling cone drill bit having high density cutting elements
SMITH INTERNATIONAL
1 citations
45