Douglas A Hall

Title: Douglas A Hall - Innovator in Thermal Expansion Solutions

Introduction

Douglas A Hall is a notable inventor based in South Bend, IN (US). He is recognized for his innovative contributions to the field of materials engineering, particularly in the development of solutions that address the challenges posed by differing coefficients of thermal expansion in materials.

Latest Patents

One of Hall's significant patents is for a thermally activated joint. This invention establishes a connection between materials that have different coefficients of thermal expansion. The design includes a first member with a cylindrical end featuring a bore and a rib on its peripheral surface. The second member fits within the bore and has two diameter sections. A sleeve surrounds part of the first member and the second diameter section of the second member, incorporating a groove to accommodate the rib. Bolts secure the sleeve to the second diameter section, creating an external compressive force that maintains a fixed relationship between the two members. This innovative design allows the first and second members to respond to temperature changes, ensuring structural integrity.

Career Highlights

Throughout his career, Douglas A Hall has worked with prominent companies such as AlliedSignal Inc. and Honeywell International Inc. His experience in these organizations has contributed to his expertise in materials science and engineering.

Collaborations

Some of Hall's notable coworkers include Richard George Rateick, Jr. and Jr. Richard G Rateick. Their collaborations have likely fostered an environment of innovation and creativity in their respective projects.

Conclusion

Douglas A Hall's contributions to the field of thermal expansion solutions exemplify the importance of innovation in engineering. His patented designs not only address practical challenges but also enhance the understanding of material interactions under varying temperature conditions.