Company Filing History:
Years Active: 1980-1996
Title: Innovations of Alf L Carroll
Introduction
Alf L Carroll is a notable inventor based in Cohasset, MA (US), recognized for his contributions to vapor detection technology. He holds a total of four patents, showcasing his innovative approach to solving complex problems in the field of chemical detection.
Latest Patents
Carroll's latest patents include a vapor collector/desorber with a non-conductive tube bundle. This invention presents a highly selective, sensitive, and fast detection system for identifying vapors of specific compounds in the air. The system is designed to detect vapors emanating from explosives or those stripped from surfaces using heat and suction from a hand-held sample gun. The vapors are collected on surfaces coated with gas chromatograph (GC) material that traps explosive vapors while repelling nitric oxide. These vapors are then desorbed and concentrated in cold spot concentrators. A high-speed gas chromatograph separates the vapors, allowing for the decomposition of specific vapors in two parallel pyrolyzers, leading to the detection of nitric oxide. The invention also includes a low-temperature pyrolyzer with silver that produces nitric oxide from nitramines or nitrite esters, while a high-temperature pyrolyzer decomposes all explosive vapors for detection. The use of hydrogen as a carrier gas, along with unique collectors, concentrators, high-speed heaters, and temperature-programmable gas chromatographs, enhances the selectivity, sensitivity, and speed of detection.
Career Highlights
Throughout his career, Carroll has worked with prominent companies such as Thermedics Inc. and The Foxboro Company. His work has significantly advanced the field of vapor detection, contributing to safety and security measures in various applications.
Collaborations
Carroll has collaborated with notable individuals in his field, including Eugene K Achter and David P Rounbehler. These collaborations have further enriched his innovative endeavors and expanded the impact of his inventions.
Conclusion
Alf L Carroll's contributions to vapor detection technology exemplify the spirit of innovation and problem-solving in the field of science and engineering. His patents reflect a commitment to enhancing safety through advanced detection methods.
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