Company Filing History:
5 out of 6 
2 out of 832,891 Years Active: 1990-1994
Title: Ralph A. McClelland: Innovator in Refrigerant Recovery Technology
Introduction
Ralph A. McClelland is a notable inventor based in Indianapolis, IN, with a significant contribution to the field of refrigerant recovery technology. He holds a total of seven patents, showcasing his innovative spirit and technical expertise. His inventions have played a crucial role in improving the efficiency and effectiveness of refrigerant systems.
Latest Patents
One of McClelland's latest patents is a refrigerant recovery device designed to recover refrigerant from refrigeration systems. This device features a single pass design that includes a hose for withdrawing refrigerant, an oil separator, a filter, and a compressor. It also incorporates a second oil separator, a condenser, a moisture indicator, and a storage tank. The device is equipped with an oil return line and a solenoid valve that controls the flow of material, ensuring proper oil replenishment in the compressor. Another significant patent is a refrigerant charging system that controls the charging of refrigerant based on pressure change rates. This apparatus determines the mass amount of refrigerant charged by assessing the volume and density of the refrigerant, utilizing a pressure compensated flow valve for accurate measurements.
Career Highlights
Throughout his career, Ralph A. McClelland has worked with various companies, including K-Whit Tools, Inc. His experience in the industry has allowed him to develop innovative solutions that address the challenges faced in refrigerant management and recovery.
Collaborations
McClelland has collaborated with notable individuals such as John Phillip Hancock and Daniel B. White. These partnerships have contributed to the advancement of his inventions and the overall progress in the field of refrigerant technology.
Conclusion
Ralph A. McClelland's contributions to refrigerant recovery technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, ensuring more efficient and effective refrigerant management solutions.