This inventor holds 6 USPTO granted patents. Top assignees: Massachusetts Institute of Technology, Exxon Research and Engineering Company, Illinois Superconductor Corporation, Inc.. Active years: 1985-1992.
Location History:
- Winchester, MA (US) (1985 - 1987)
- Winnetka, IL (US) (1988 - 1992)
Company Filing History:
3 out of 8,573 
1 out of 4,227 
1 out of 35 
Years Active: 1985-1992
Title: Lewis Erwin: Innovator in Cryogenic Technology and Material Processing
Introduction
Lewis Erwin is a notable inventor based in Winnetka, IL (US). He has made significant contributions to the fields of cryogenic technology and material processing, holding a total of 6 patents. His innovative work has paved the way for advancements in sensor technology and the etching of specialized materials.
Latest Patents
One of Erwin's latest patents is the "Cryogenic fluid level sensor," which features a sensor assembly that includes a continuous length of high-temperature ceramic superconductor material. This assembly is designed with an exterior housing to hold the ceramic superconductor material, a support material positioned between the superconductor and the housing, and a resilient retention material that accommodates thermal expansion and contraction during cycling. Another significant patent is the "Process for etching polytetrafluoroethylene," which outlines a method for defluorinating the surface layer of PTFE. This process involves exposing PTFE to alkali metal vapors, forming a fluoride layer on the surface, and subsequently removing this fluoride.
Career Highlights
Throughout his career, Lewis Erwin has worked with prestigious organizations, including the Massachusetts Institute of Technology and The Dexter Corporation. His experience in these institutions has contributed to his expertise and innovative capabilities in his field.
Collaborations
Erwin has collaborated with notable individuals such as John J Sparapany and Jeffrey L Dohner. These partnerships have likely enhanced his research and development efforts, leading to successful innovations.
Conclusion
Lewis Erwin's contributions to cryogenic technology and material processing demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of complex materials and their applications, solidifying his reputation as a leading inventor in his field.