Location History:
- Asheboro, NC (US) (1998 - 2002)
- Grand Junction, CO (US) (2010 - 2015)
Company Filing History:
3 out of 3 
5 out of 832,966 Years Active: 1998-2015
Title: The Innovative Contributions of Herbert L. Mitchell
Introduction
Herbert L. Mitchell is a notable inventor based in Asheboro, NC (US), recognized for his significant contributions to the field of optical measurement and water quality analysis. With a total of eight patents to his name, Mitchell has developed innovative devices that enhance the accuracy and efficiency of turbidity measurement in various applications.
Latest Patents
Among his latest patents is a device designed for the detection of fouling on optical surfaces of a nephelometric turbidimeter submerged in a liquid. This invention describes a method that utilizes a periodic test light-source beam directed at the nephelometric turbidimeter's scattered-light detector window. It effectively detects any film build-up on the optical surfaces by measuring changes in readings from previous data. Another significant patent is the nephelometer instrument for measuring the turbidity of water. This device employs a specific wavelength of 525 nm as a single monochromatic light source, which is crucial for determining turbidity at 90° for particulate matter in various water sources, including raw water, water treatment, wastewater treatment, and industrial process streams. This wavelength enhances the detection of smaller particle concentrations, showcasing the advantages of shorter wavelengths over longer ones in light scattering characteristics.
Career Highlights
Throughout his career, Herbert L. Mitchell has worked with various companies, including B and H Panel Company. His work has focused on developing advanced technologies that improve water quality monitoring and optical measurement techniques.
Collaborations
Mitchell has collaborated with notable individuals in his field, including Steven H. Mersch and James A. Morton. Their combined expertise has contributed to the successful development of innovative solutions in optical measurement.
Conclusion
Herbert L. Mitchell's contributions to the field of optical measurement and water quality analysis through his patents demonstrate his commitment to innovation. His work continues to impact the industry positively, enhancing the accuracy of turbidity measurement and ensuring better water quality management.