Donald F Hallden

Title: **Innovator Profile: Donald F Hallden**

Introduction

Donald F Hallden is an inventive mind based in Mesquite, TX, who has made notable contributions to the field of engineering and materials science. With three patents to his name, his work primarily revolves around enhancing the strength and reliability of sucker rod couplings, which are crucial components in the oil and gas industry.

Latest Patents

Hallden's latest patents include a revolutionary method for producing high-strength sucker rod coupling. This invention involves a meticulous five-step process:

1. A hollow cylindrical core is formed using heat treatable steel.

2. A thin coating of metallic alloy is applied to the outer surface of this core.

3. The core undergoes a heat treatment process.

4. Threads are partially cut into the inner surface of the core.

5. Finally, the threads are cold worked to transform them into finished threads, which helps to place the thread roots in compression.

This innovative method significantly enhances the ultimate tensile strength of the couplings, increases their resistance to corrosion, and mitigates the risk of surface cracking.

Career Highlights

Throughout his career, Donald Hallden has worked with prominent companies such as Continental Emsco Company and LTV Energy Products Co., where he has applied his expertise to improve product designs and manufacturing processes. His contributions have propelled advancements in the industry, particularly in developing durable and efficient drilling equipment.

Collaborations

During his professional journey, Hallden has collaborated with notable coworkers, including Dean E Hermanson and Horace G Isom. These partnerships have fostered an environment of innovation, enabling him to refine his concepts and bring valuable inventions to fruition.

Conclusion

In summary, Donald F Hallden exemplifies the spirit of innovation in mechanical engineering. His dedicated work in developing high-strength sucker rod couplings showcases his commitment to improving industry standards. As he continues to contribute to advancements in materials science, Hallden remains a significant figure in the landscape of inventions and patents, inspiring future generations of inventors.