DN

Dat Nguyen

HD Hydril Usa Distribution: 3 patents #14 of 110Top 15%
HM Hydril Usa Manufacturing: 3 patents #14 of 48Top 30%
HY Hydril: 1 patents #73 of 135Top 55%
Overall (All Time): #739,603 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10519732 Mud pump annular friction pressure control system and method Ahmet Duman, Edward Walfred Eskola 2019-12-31
10400421 Systems and methods for backflushing a riser transfer pipe Ahmet Duman, Edward Walfred Eskola 2019-09-03
9175528 Decompression to fill pressure Ahmet Duman, Devon Daniel 2015-11-03
8511402 Subsea solids processing apparatuses and methods Peringandoor Raman Hariharan, Robert Arnold Judge, Greg Bailey 2013-08-20
8464797 Subsea control module with removable section and method Hardev Singh, David Albert Dietz, Luis Melendez 2013-06-18
8157014 Subsea solids processing apparatuses and methods Peringandoor Raman Hariharan, Robert Arnold Judge, Greg Bailey 2012-04-17
6904982 Subsea mud pump and control system Robert Arnold Judge, Harold Wade, Ronald Dean Brooks 2005-06-14