Leonard J Cranfill

Title: Leonard J. Cranfill: Innovator in Cap Testing and Canister Seam Technology

Introduction

Leonard J. Cranfill is a notable inventor based in Connersville, Indiana, recognized for his contributions to innovative testing systems and container manufacturing. With a total of 2 patents, Cranfill has made significant advancements in the fields of gas leak testing and canister design.

Latest Patents

Cranfill's latest patents include the "Cap Low Leak Testing System" and the "Canister Roll Seam." The Cap Low Leak Testing System provides a method for accurately determining the volume of gas that has leaked through and around a cap. This method involves positioning the cap within a testing neck, fixing it to create a sealing engagement, and staging the cap for at least 2.5 seconds before conducting a pressure test for low-volume gas leaks. The Canister Roll Seam patent describes a method for producing an end plate for a container with a continuous wall. This innovative design includes a thickened plate and a down-turned flange, allowing for a seamless connection between the continuous wall and the metal sheet.

Career Highlights

Throughout his career, Cranfill has worked with reputable companies such as Stant Manufacturing Inc. and Stant Inc. His experience in these organizations has contributed to his expertise in developing practical solutions for industry challenges.

Collaborations

Cranfill has collaborated with notable coworkers, including Jeff M. Bunyard and Dwight D. Smith, who have contributed to his innovative projects and patent developments.

Conclusion

Leonard J. Cranfill's work in developing advanced testing systems and canister designs showcases his commitment to innovation and problem-solving in engineering. His patents reflect a deep understanding of practical applications in manufacturing and testing, making him a valuable contributor to the field.