Douglas A Johns

Title: Innovations of Douglas A Johns

Introduction

Douglas A Johns is an accomplished inventor based in Lantana, FL (US). He has made significant contributions to the field of fluid measurement technology. His innovative work has led to the development of a unique mass flow meter designed for cryogenic fluids.

Latest Patents

Douglas A Johns holds a patent for a mass flow meter specifically designed for cryogenic fluids. This invention includes a fluid volume indicating means for measuring the volume of a fluid, a temperature sensor for indicating the temperature of the fluid, and a density compensator that provides an indication of the mass flow rate of the fluid material. The device also features counting means to accurately accumulate the indication of mass units, providing the total mass of the fluid being measured. The system utilizes input pulses from the volume indicating means and temperature sensor to initiate and control the output measuring envelope pulse, ensuring precise measurements.

Career Highlights

Douglas A Johns is associated with Scientific Instruments, Inc., where he has applied his expertise in developing advanced measurement technologies. His work has been instrumental in enhancing the accuracy and efficiency of fluid measurement systems.

Collaborations

Douglas has collaborated with Gilbert Halverson, contributing to the advancement of measurement technologies in their field.

Conclusion

Douglas A Johns is a notable inventor whose work in cryogenic fluid measurement has made a significant impact in the industry. His innovative mass flow meter exemplifies the importance of precision in fluid measurement technology.