David B Todd

Title: Innovations of David B. Todd: A Patent Pioneer from Princeton, NJ

Introduction

David B. Todd, an accomplished inventor based in Princeton, NJ, has made significant contributions to the field of material science through his innovative inventions. With a total of 5 patents to his name, Todd's work emphasizes the advancement of rheological measurement techniques and the development of thermoplastic foams.

Latest Patents

Among David B. Todd's latest patents is the "Helical Barrel Rheometer," which is designed to determine the rheological characteristics of various compositions. This sophisticated rheometer includes a housing member, a helical flange on its inner surface, and a concentric rotor that interacts with the helical flange to create a helical channel. It also features mechanisms for rotating the rotor, introducing a sample, and measuring pressure differences along the channel.

Another notable patent is the "Method of Preparing Thermoplastic Foams Using a Gaseous Blowing Agent." This innovative process involves injecting a gaseous blowing agent, such as nitrogen or carbon dioxide, into melted thermoplastic polymer. By carefully controlling temperature and pressure, the method achieves a uniform solution that can be extruded to form thermoplastic foams with specific characteristics, including a high volume of closed cells and consistent cell size.

Career Highlights

Throughout his career, David B. Todd has collaborated with esteemed institutions like the Polymer Processing Institute, where he applied his expertise in material science and innovation. His work has significantly influenced the development of processes that enhance product performance and reliability in various applications.

Collaborations

David has worked alongside notable coworkers such as Joseph A. Biesenberger and Subir K. Dey, demonstrating the importance of teamwork in driving innovation. These collaborations have facilitated knowledge exchange and the advancement of technologies within the field.

Conclusion

David B. Todd's contributions as an inventor highlight the importance of innovation in material science. Through his patents, Todd continues to push the boundaries of technology, ensuring that new methods and products significantly impact industries reliant on high-performance materials. His work not only sets new standards but also paves the way for future advancements in the field.