DN

David Nguyen

AS Ab7 Innovation S.A.S.U.: 3 patents #3 of 6Top 50%
HU Hughes Tool Company - Usa: 2 patents #3 of 34Top 9%
CI Camco International: 1 patents #60 of 166Top 40%
DI Dresser Industries: 1 patents #301 of 787Top 40%
SI Smith International: 1 patents #390 of 708Top 60%
📍 Toulouse, TX: #2 of 2 inventorsTop 100%
Overall (All Time): #553,791 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11781014 Polyamide hot-melt resin granules loaded with active ingredients René Chelle, Arnaud Vilbert 2023-10-10
11084926 Polyamide hot-melt resin granules loaded with active ingredients René Chelle, Arnaud Vilbert 2021-08-10
D897786 Utensil holder with magnet Eunice Byun, James Kwon 2020-10-06
10358532 Method for producing a non-porous composite material that is water-absorbent and lipid-absorbent for active liquid compositions René Chelle, Arnaud Vilbert 2019-07-23
6167833 Wear indicator for rotary drilling tools Douglas Caraway, Tony Martin Watts, Douglas Alan Patton 2001-01-02
5722499 Multiple diamond layer polycrystalline diamond composite cutters Michael A. Siracki, Stephen G. Southland 1998-03-03
5007493 Drill bit having improved cutting element retention system Robert B. Coolidge 1991-04-16
4703814 Earth boring bit having a replaceable, threaded nozzle with wrench socket 1987-11-03
4667756 Matrix bit with extended blades William W. King, Arthur M. Handsel 1987-05-26