This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Corning Incorporated, Other. Active years: 1988-2016.
Location History:
- Corning, NY (US) (1988 - 1990)
- Watkins Glen, NY (US) (2008 - 2013)
- Baton Rouge, LA (US) (2015 - 2016)
Company Filing History:
7 out of 7,463 
4 out of 834,411 Years Active: 1988-2016
Title: Calvin Thomas Coffey: Innovator in Optical Fiber Technology
Introduction
Calvin Thomas Coffey is a notable inventor based in Watkins Glen, NY (US), recognized for his contributions to optical fiber technology. With a total of 11 patents to his name, Coffey has made significant advancements in the field, particularly in the manufacturing and composition of optical fibers.
Latest Patents
Coffey's latest patents include an innovative optical fiber that contains an alkali metal oxide. This optical fiber features a core with an alkali metal oxide dopant in a peak amount greater than about 0.002 wt. % and less than about 0.1 wt. %. The concentration of the alkali metal oxide varies with the radius of the optical fiber, allowing for the creation of a low loss optical fiber by carefully selecting the dopant concentration in both the core and cladding. Additionally, he has disclosed several methods for manufacturing this optical fiber, which involve forming an alkali metal oxide-doped rod and adding extra glass to create a draw preform. In a preferred embodiment, the alkali metal oxide-doped rod is inserted into the centerline hole of a preform to form an assembly.
Another significant patent involves a skinning apparatus designed for skinning ceramic articles. This apparatus includes a manifold and outlines a method for effectively skinning ceramic materials using the described technology.
Career Highlights
Throughout his career, Coffey has worked with prominent companies, including Corning Incorporated. His work has contributed to advancements in materials science and optical technologies, showcasing his expertise and innovative spirit.
Collaborations
Coffey has collaborated with notable individuals in his field, including Clinton Damon Osterhout and Andrey V Filippov. These collaborations have likely enriched his work and led to further innovations in optical fiber technology.
Conclusion
Calvin Thomas Coffey stands out as a significant figure in the realm of optical fiber innovation. His patents and contributions continue to influence the industry, demonstrating his commitment to advancing technology.