PDB TOOLS, INC.

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Grapevine, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealed bearing rock bit with a low profile seal
- Patent number 10,689,912
- Issue date Jun 23, 2020
- PDB TOOLS, INC.
- Nam Duy Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tungsten carbide insert bit with milled steel teeth
- Patent number 10,337,254
- Issue date Jul 2, 2019
- PDB TOOLS, INC.
- Nam Duy Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow bypass compensator for sealed bearing drill bits
- Patent number 9,657,528
- Issue date May 23, 2017
- PDB TOOLS, INC.
- Nam Duy Nguyen
- E21 - EARTH DRILLING MINING

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Patents Applicationslast 30 patents

Information Patent Application
TUNGSTEN CARBIDE INSERT BIT WITH MILLED STEEL TEETH
- Publication number 20170159366
- Publication date Jun 8, 2017
- PDB TOOLS, INC.
- Nam Duy Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOW BYPASS COMPENSATOR FOR SEALED BEARING DRILL BITS
- Publication number 20160115739
- Publication date Apr 28, 2016
- PDB TOOLS, INC.
- Nam Duy Nguyen
- E21 - EARTH DRILLING MINING