Company Filing History:
Years Active: 1990
Title: Innovations by Leonard E Brown, Jr.
Introduction
Leonard E Brown, Jr. is a notable inventor based in Prince George, VA (US). He has made significant contributions to the field of smoke measurement technology. His innovative work has led to the development of a unique method for measuring sidestream smoke.
Latest Patents
Leonard holds a patent for "Methods and apparatus for measuring sidestream smoke." This invention provides methods and apparatus for continuously and instantaneously measuring sidestream smoke. A hood assembly is designed to fit over the ports of a conventional smoking machine. Sidestream smoke produced by test cigarettes is continuously drawn through the hood by an exhaust system. A laser beam is passed through the smoke one or more times before the beam is sensed by a photodiode detector. An electrical signal from the detector, representing the light transmission, is received by a strip recorder or computer system. The transmission measurements are used to calculate the extinction coefficient of the smoke for comparison purposes.
Career Highlights
Leonard E Brown, Jr. is associated with Philip Morris Inc., where he has applied his expertise in smoke measurement technology. His work has been instrumental in advancing the understanding of sidestream smoke and its implications.
Collaborations
Some of his notable coworkers include Douglas D McRae and Bobby W Francis. Their collaboration has contributed to the success of various projects within the company.
Conclusion
Leonard E Brown, Jr. is a distinguished inventor whose work in measuring sidestream smoke has made a significant impact in the field. His innovative methods continue to influence research and development in smoke measurement technology.