Company Filing History:
10 out of 29,279 
1 out of 832,880 Years Active: 1978-1993
Title: Innovations of John R D'Entremont
Introduction
John R D'Entremont is a notable inventor based in Foxboro, MA (US). He has made significant contributions to the field of electrical devices, holding a total of 11 patents. His work primarily focuses on enhancing the protection and efficiency of electrically driven devices.
Latest Patents
One of his latest patents is an "Internal protection circuit for electrically driven device." This invention enhances protection for an encased motor-driven device by utilizing additional sensors with associated resistance heaters. These components actuate the thermally responsive contacts of the internal line break. The sensors and heaters are powered from an auxiliary winding in the motor coils. When applied to a hermetic scroll compressor, this innovation protects the compressor against reverse rotation. Another significant patent is the "Hermetic motor protector." This motor protector features a hermetically sealed can and internal electrical contact, designed with a disk-shaped header of conductive material. The design includes spaced conductive pins sealed and insulated from the can, ensuring reliable operation.
Career Highlights
Throughout his career, John R D'Entremont has worked with prominent companies, including Texas Instruments Corporation. His experience in the industry has allowed him to develop innovative solutions that address critical challenges in electrical device protection.
Collaborations
John has collaborated with notable individuals such as Joseph G Nield, Jr and Donald Tomkinson. These partnerships have contributed to the advancement of his inventions and the overall progress in the field.
Conclusion
John R D'Entremont's contributions to electrical device protection through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and inspire future innovations.