Location History:
- North Kingstown, RI (US) (2012 - 2021)
- North Kingstown, MA (US) (2022)
Company Filing History:
3 out of 6 
2 out of 1,160 
Years Active: 2012-2025
Title: Innovations by David Therrien
Introduction
David Therrien is an accomplished inventor based in North Kingstown, Rhode Island. He holds a total of five patents, showcasing his expertise in environmental control systems and fan technology. His innovative approaches have significantly contributed to the efficiency of air exchange systems in various applications.
Latest Patents
One of Therrien's latest patents is the "Temperature Differential Based Fan Control." This control system optimizes ambient air exchange in machine rooms by adjusting the fan speed based on the temperature differential between the inside and outside environments. This method allows for energy-efficient cooling, as it utilizes lower fan speeds when a significant temperature difference exists, reducing electrical consumption and noise.
Another notable patent is the "Ventilation Control Apparatus and Method." This environmental control system integrates with existing HVAC systems to enhance air exchange in telecom shelters and similar enclosures. By directing cooler outside air into the interior space, it minimizes reliance on active refrigeration. The system intelligently determines when outside air exchange is more efficient than traditional air conditioning, ensuring optimal environmental control.
Career Highlights
Throughout his career, David Therrien has worked with reputable companies such as Schroff Technologies International, Inc. and Minebea Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in technology.
Collaborations
Therrien has collaborated with notable professionals in his field, including Henry J. Riddoch and Richard De Felice. These partnerships have fostered innovation and the development of effective solutions in environmental control systems.
Conclusion
David Therrien's contributions to the field of environmental control and fan technology are noteworthy. His patents reflect a commitment to improving efficiency and sustainability in air exchange systems. Through his work, he continues to influence advancements in technology and environmental management.