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Biju Pillai Kumar
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Pasadena, TX, US
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last 30 patents
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Patent Grant
Systems and methods of fabrication and use of wear-resistant materials
Patent number
10,906,104
Issue date
Feb 2, 2021
National Oilwell DHT, L.P.
Biju Pillai Kumar
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cutter elements for drill bits and methods for fabricating same
Patent number
10,214,812
Issue date
Feb 26, 2019
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
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Patent Application
Cutter Elements for Drill Bits and Methods for Fabricating Same
Publication number
20190136374
Publication date
May 9, 2019
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Systems and Methods of Fabrication and Use of Wear-Resistant Materials
Publication number
20190022759
Publication date
Jan 24, 2019
National Oilwell DHT, L.P.
Biju Pillai Kumar
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Cutter Elements for Drill Bits and Methods for Fabricating Same
Publication number
20180100234
Publication date
Apr 12, 2018
National Oilwell DHT, L.P.
Guodong Zhan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...