This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Entegris, Inc.. Active years: 2016-2020.
Company Filing History:
Years Active: 2016-2020
Title: The Innovative Contributions of Andy Krell
Introduction
Andy Krell is a notable inventor based in Spicewood, TX (US). He has made significant contributions to the field of fluid delivery systems, holding a total of 3 patents. His work focuses on enhancing the efficiency and safety of chemical reagent storage and dispensing.
Latest Patents
One of Krell's latest patents is for a refillable ampoule with purge capability. This innovative fluid delivery system is designed to isolate an ampoule and/or process line during purge operations. It includes an inlet control valve that connects a source of pressurized gas to the refillable ampoule, an outlet control valve for connecting the ampoule to a location of use, and a process control valve that links the process line to the ampoule. Additionally, it features a process isolation valve and a purge supply valve, such as a three-way purge supply valve, which are arranged between the process isolation valve and the process control valve. The patent also describes a method for purging a fluid delivery system, which involves closing the process isolation valve, connecting a process line to the refillable ampoule, and supplying purge gas through the purge supply valve while cycling the process control valve.
Another significant patent by Krell is for ultra-high purity storage and dispensing of liquid reagents. This supply vessel is designed for dispensing ultra-high purity chemical reagents and comprises a metal container with an enclosable interior volume. The interior surface is coated with an ultra-high purity effective polyperfluoroalkoxyethylene coating. This vessel is particularly useful for storing and dispensing ultra-high purity chemical reagents to semiconductor manufacturing tools, flat-panel display manufacturing tools, or solar panel production tools.
Career Highlights
Andy Krell is currently employed at Entegris, Inc., where he continues to innovate in the field of chemical delivery systems. His work has been instrumental in advancing technologies that ensure the safe and efficient handling of sensitive materials.
Collaborations
Krell has collaborated with notable colleagues, including Richard D. Chism and Donn Naito, who have contributed to his projects and innovations.
Conclusion
Andy Krell's contributions to the field of fluid delivery systems exemplify the impact of innovative thinking in technology. His patents reflect a commitment to improving safety and efficiency in chemical handling, making him a valuable figure in his industry.