Inventor
SUKENDRO TJANDRA
US3 patents
Patents
3 patentsUS9249628B2Feb 2, 2016
Hybrid rolling cone drill bits and methods for manufacturing same
NAT OILWELL DHT LP2 citations57
US9840874B2Dec 12, 2017
Hybrid rolling cone drill bits and methods for manufacturing same
NAT OILWELL DHT LP0 citations46
US9140071B2Sep 22, 2015
Apparatus and method for retaining inserts of a rolling cone drill bit
NAT OILWELL DHT LP1 citations46