Inventor · disambiguated record
Tjandra Sukendro
Also filed as: SUKENDRO TJANDRA
3 granted patents·3 citations·filing 2012–2015
55Inventor score
Technology areasE21B
Files withNAT OILWELL DHT LP3
Top patents by PatentIndex Score
3 records- 0160US9249628B2Hybrid rolling cone drill bits and methods for manufacturing sameNAT OILWELL DHT LP·Filed 2012·Granted Feb 2, 2016·2 cites·22 claims
- 0251US9140071B2Apparatus and method for retaining inserts of a rolling cone drill bitNAT OILWELL DHT LP·Filed 2012·Granted Sep 22, 2015·1 cites·23 claims
- 0346US9840874B2Hybrid rolling cone drill bits and methods for manufacturing sameNAT OILWELL DHT LP·Filed 2015·Granted Dec 12, 2017·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →