Clifford L Johns

Title: The Innovations of Clifford L. Johns: A Leader in Heat Exchanger Technology

Introduction

Clifford L. Johns, based in Louisville, KY, has made significant contributions to the field of engineering with an impressive portfolio of 40 patents. His innovative designs, particularly in the maintenance and cleaning of chemical reactor tubes, showcase his expertise and commitment to advancing industrial processes.

Latest Patents

Among his latest inventions is a **Device for Cleaning Inner Surface of Heat Exchanger Tubes**. This grit blasting arrangement is meticulously designed to ensure that the grit blast nozzle remains coaxial with the longitudinal axis of the tube being cleaned. The device incorporates a positioning frame that allows the grit blast nozzle to project outwardly, directing the outlet into the tube opening during cleaning operations. It also features a plurality of stop pins that prevent the nozzle from extending too far into the tube, thereby avoiding a venturi effect that could hinder cleaning.

Another notable patent is the **Universal Tube Marker for Identifying Chemical Reactor Tubes**. This sector marker allows for accurate and efficient placement over a tubesheet, defining an opening for maintenance on an open tube located beneath it. With at least two pins extending below the sector marker, it ensures precise positioning over the tubesheet, aiding in real-time tracking of maintenance tasks performed on the reactor tubes.

Career Highlights

Clifford has had a remarkable career with companies such as Tubemaster, Inc. and Extundo Incorporated, where he applied his engineering prowess to develop state-of-the-art cleaning and maintenance technologies. His contributions have had a lasting impact on operational efficiency and safety within the chemical processing industry.

Collaborations

Throughout his career, Clifford has collaborated with notable individuals such as Daniel D. Sympson and Dennis Patrick McAndrews. Their teamwork highlights the importance of collaboration in driving innovation and improving industrial practices.

Conclusion

Clifford L. Johns stands out as a prolific inventor, whose work continues to enhance the field of heat exchanger maintenance technology. His patents reflect a deep understanding of engineering principles and a commitment to innovation, ensuring that processes in the chemical industry remain efficient and reliable.