Company Filing History:
Years Active: 1992-1994
Title: Melvin D Campbell: Innovator in Fluid Measurement Technologies
Introduction
Melvin D Campbell is a notable inventor based in Richland, WA (US). He has made significant contributions to the field of fluid measurement technologies, holding a total of 2 patents. His work focuses on improving the accuracy and efficiency of instruments used to measure fluid depth and soil water tension.
Latest Patents
One of Campbell's latest patents is titled "Apparatus for in-situ calibration of instruments that measure fluid depth." This invention provides a method and apparatus for in-situ calibration of distance measuring equipment. The method involves obtaining a first distance measurement in a first location, followed by at least one other distance measurement in a precisely known distance from the first location. This process allows for the calculation of a calibration constant, which is essential for accurately determining fluid levels using a pressure transducer and a spacer of known length.
Another significant patent is the "Tensiometer with removable wick." This invention relates to advancements in tensiometers designed for measuring soil water tension. It features a rod-shaped wick made from materials such as shoestring, rolled paper towel, rolled glass microfiber filter, or solid ceramic. The wick is securely attached to the tensiometer using a cone washer and a threaded fitting, enhancing the device's functionality.
Career Highlights
Melvin D Campbell is associated with the Battelle Memorial Institute, where he continues to innovate and contribute to research in fluid measurement technologies. His work has had a positive impact on various applications, particularly in environmental monitoring and agricultural practices.
Collaborations
Throughout his career, Campbell has collaborated with various professionals, including his coworker Glendon W Gee. These collaborations have fostered a productive environment for innovation and development in their respective fields.
Conclusion
Melvin D Campbell's contributions to fluid measurement technologies through his patents demonstrate his commitment to innovation and improvement in scientific instruments. His work continues to influence the industry and enhance the accuracy of fluid measurement techniques.