Location History:
- Saint Paul, MN (US) (2002 - 2003)
- Hudson, WI (US) (2006 - 2024)
Company Filing History:
7 out of 14,059 
1 out of 213 
1 out of 832,680 Years Active: 2002-2025
Title: Innovations of Kelvin J Witcher
Introduction
Kelvin J Witcher is a notable inventor based in Hudson, WI (US), recognized for his contributions to the field of biological indicators. With a total of 9 patents to his name, he has made significant advancements in sterilization technologies.
Latest Patents
One of his latest patents is a self-contained biological indicator. This innovation is designed to be versatile, capable of being used under various sterilization conditions, including steam and ethylene oxide. In certain embodiments, this biological indicator can function effectively across different steam sterilization conditions that have varied temperatures and cycles. Another significant patent is an ethylene oxide sterilization sensor, which includes a heat-shrinkable film and an acid-functional porous sorbent in thermal contact with the film. This sensor is designed to utilize an acid with a boiling point above 120° C and a pKa of no greater than 2.5, which is either impregnated in or covalently attached to the porous sorbent.
Career Highlights
Throughout his career, Kelvin has worked with 3M Innovative Properties Company, where he has been able to apply his innovative ideas in practical settings. His work has contributed to advancements in sterilization processes, enhancing safety and efficiency in various applications.
Collaborations
Kelvin has collaborated with notable individuals in his field, including Naiyong Jing and William E Foltz. These collaborations have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Kelvin J Witcher stands out as a significant figure in the realm of biological indicators and sterilization technologies. His innovative patents reflect his commitment to improving safety and efficiency in sterilization processes.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.