Company Filing History:
2 out of 214 
2 out of 789 
Years Active: 2001-2017
Title: The Innovative Mind of Joel S Duga
Introduction
Joel S Duga, hailing from Onalaska, WI, is a notable inventor recognized for his significant contributions in the refrigeration and compressor technologies. With four patents to his name, he has displayed a remarkable ability to innovate solutions for complex engineering challenges.
Latest Patents
Among his latest inventions is the "Terminal assembly for refrigeration compressor," which is ingeniously designed to conduct current from an external power source to a hermetical motor-compressor unit. This patent includes a terminal board with at least one opening, a conductive pin, and an insulator featuring a convoluted contour that provides insulation and safety.
Another groundbreaking patent of his is the "System for protecting bearings and seals of a refrigerant compressor." This invention tackles the issue of high-frequency current that can damage compressor components. By integrating inductors that surround three insulated cables conveying three-phase power, Duga’s design effectively mitigates harmful shaft voltages. The combined use of inductors and grounding contacts presents a comprehensive solution to enhance the longevity and reliability of refrigerant compressors.
Career Highlights
Throughout his career, Joel has made significant strides while working with reputable companies including American Standard International Inc. and Trane International Inc. His roles in these organizations have allowed him to refine his skills and contribute to vital projects in the field of refrigeration.
Collaborations
Joel has collaborated with several talented individuals throughout his career, notably working alongside colleagues such as John A Komperud and Richard Mason Heiden. These partnerships have enriched his work, fostering an environment of shared knowledge and innovative thinking.
Conclusion
Joel S Duga's contributions to the field of refrigeration technology and his impressive portfolio of patents reflect his commitment to innovation and engineering excellence. His ongoing work continues to influence the industry, and his inventions are a testament to his problem-solving capabilities and creative thinking.