Company Filing History:
Years Active: 1988-1991
Title: The Innovations of John A Imsdahl
Introduction
John A Imsdahl is a notable inventor based in Richfield, MN (US). He has made significant contributions to the field of technology, holding a total of 3 patents. His work primarily focuses on apparatuses that enhance the functionality and efficiency of electrical modules and cryogenic systems.
Latest Patents
One of Imsdahl's latest patents is the "Insertion, extraction, and clamping apparatus for electrical modules." This innovative apparatus is designed to move a module within a guide channel, utilizing levers that work in conjunction with cams and contacting edges. These components apply forces to position the module accurately. The clamping mechanism is maintained by compressible elements, such as Belleville washers or springs, ensuring the module remains securely in place.
Another significant patent is the "Long hold time cryogens dewar." This invention features a liquid cryogen dewar with multiple chambers, each containing different cryogens, such as liquid helium and liquid nitrogen. The design allows for efficient thermal management and is particularly beneficial for superconducting electronic circuitry. The dewar's construction includes an isothermal shield and utilizes materials with low thermal conductivity to enhance performance.
Career Highlights
Throughout his career, John A Imsdahl has worked with prominent companies, including Unisys Corporation and Sperry Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Imsdahl has collaborated with notable individuals in his field, including Roger Noel Hastings and Dale J Fixsen. These partnerships have likely fostered a creative environment that has led to the development of his patents.
Conclusion
John A Imsdahl's contributions to technology through his patents demonstrate his innovative spirit and dedication to advancing the field. His work continues to influence the development of electrical and cryogenic systems, showcasing the importance of inventors in shaping modern technology.