Company Filing History:
2 out of 31 
1 out of 1,426 
1 out of 1,238 Years Active: 1987-2001
Title: Innovations by David M Nguyen
Introduction
David M Nguyen is a notable inventor based in Houston, Texas, recognized for his contributions to the field of rotary drilling tools. With a total of five patents to his name, Nguyen has made significant advancements that enhance the efficiency and effectiveness of drilling operations.
Latest Patents
One of his latest patents is a wear indicator for rotary drilling tools. This innovative wear indicator is designed for a rotary drilling tool that includes a bit body with a leading surface for cutting, abrading, or reaming a hole in a target substrate material. The wear indicator features one or more discrete areas made from a visually distinct material compared to the main composition of the drilling tool. This arrangement allows for a visual indication of surface wear as the bit progresses through its operation.
Another significant patent by Nguyen is for multiple diamond layer polycrystalline diamond composite cutters. This improved cutter design includes a primary polycrystalline diamond cutting surface along with one or more secondary cutting surfaces. The spacing between these surfaces enhances cutter efficiency and extends its useful life. The primary surface is located on the exposed end face of the cutter, while the secondary surface is embedded within the cutter's body, allowing for better engagement with rock formations during drilling.
Career Highlights
Throughout his career, David M Nguyen has worked with prominent companies in the industry, including Hughes Tool Company and Smith International, Inc. His experience in these organizations has contributed to his expertise in developing innovative drilling solutions.
Collaborations
Nguyen has collaborated with several professionals in his field, including Michael Allen Siracki and Stephen G Southland. These collaborations have likely fostered an environment of innovation and shared knowledge, further enhancing the advancements in drilling technology.
Conclusion
David M Nguyen's contributions to the field of rotary drilling tools through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the industry, paving the way for more efficient drilling solutions.