Gary Raymond Duffin

Title: Innovations by Gary Raymond Duffin: Patents and Contributions

Introduction

Gary Raymond Duffin, an inventive mind from Liberty, MO, has made notable contributions to the field of acoustics and materials engineering. With three patents to his name, Duffin continues to push the boundaries of innovation through his inventive spirit and technical expertise.

Latest Patents

Among Gary Raymond Duffin's latest innovations is the patent for the **Acoustic Baffle Assembly**. This invention focuses on sealing or baffling a hollow body with a mass of heat-activated expandable material. This material is capable of activating at a predetermined temperature, creating an effective sound barrier. The design includes a substrate that supports the mass and features a central portion with spaced projections that control the expansion of the material.

Another significant patent by Duffin is for **Expandable Compositions and Methods of Making and Using the Compositions**. This novel invention details a method for utilizing an expandable composition as an automotive cavity sealant. The inventive mixture generally comprises at least one base polymer, expansion agents, hydrocarbon resins, curing agents, and optional additives, making it a versatile solution in automotive applications.

Career Highlights

Gary Duffin has had a distinguished career, contributing his expertise to several prominent companies. Notable among them are **Henkel Corporation** and **Orbseal LLC**. His work in these organizations has allowed him to develop innovative solutions that address specific challenges in acoustics and sealing technologies.

Collaborations

Through his career, Gary has collaborated with talented individuals such as **Michael Lupini** and **Donald W. Taylor**, enhancing his projects with their diverse expertise and perspectives. These collaborations have undoubtedly contributed to the quality and success of his inventions.

Conclusion

In conclusion, Gary Raymond Duffin embodies the spirit of innovation in engineering and materials science. His patents highlight important advancements in acoustic technology and sealant compositions, serving as a testament to his dedication and ingenuity in creating efficient and effective solutions. His work has not only benefited the companies he has worked with but also the wider industry by providing innovative products that meet modern-day challenges.