Charles D Dern is an accomplished inventor based in Doylestown, PA. He has made significant contributions to the field of freeze-drying technology, holding a total of four patents. His work focuses on enhancing energy efficiency and temperature control in freeze-drying systems.

Latest Patents

One of Dern's latest patents is titled "Energy recovery in a freeze-drying system." This patent discloses embodiments of an energy recovery system designed for freeze-drying applications. The system includes a freeze dryer chamber with multiple shelves, a refrigeration system featuring a refrigerant condenser, and a heat exchanger. It also incorporates fluid lines that thermally couple the refrigerant condenser and shelves to the heat exchanger.

Another notable patent is "Means and methods for selective shelf temperature control." This invention includes a fluid manifold with various inlet and outlet ports, along with an article that features an element capable of adjustable movement within the manifold. This system is particularly useful for adjusting shelf temperatures in freeze-drying apparatuses.

Career Highlights

Charles D Dern is currently associated with SP Industries, Inc., where he continues to innovate in the field of freeze-drying technology. His expertise and inventions have contributed to advancements in energy recovery and temperature management in industrial applications.

Collaborations

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Conclusion

Charles D Dern's contributions to freeze-drying technology through his innovative patents demonstrate his commitment to improving energy efficiency and temperature control in this field. His work continues to influence the industry positively.

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