John M Engstrom

Title: John M Engstrom: Innovator in Concrete Joint Sealing Technology

Introduction

John M Engstrom is a notable inventor based in Walnut Creek, CA (US). He has made significant contributions to the field of construction and engineering, particularly with his innovative approach to concrete joint sealing. His work has been recognized for its practical applications and effectiveness in enhancing structural integrity.

Latest Patents

Engstrom holds a patent for a Pressure/Compression Concrete Joint Seal. This invention comprises two elastomeric elements designed to fit as a nested assembly within the gap between adjacent slabs. The outer element, known as the 'outer seal,' is a U-shaped channel that performs the sealing function. Its outer surfaces are equipped with longitudinally-extending fins that frictionally engage the slab edges. The inner element, referred to as 'the core,' is a rectangular tube that provides structural strength to the seal assembly. This innovative seal assembly is installed under compression, ensuring durability and effectiveness.

Career Highlights

Engstrom is currently employed at Bechtel International Corporation, where he applies his expertise in engineering and innovation. His work at Bechtel has allowed him to contribute to various projects that require advanced sealing solutions.

Collaborations

Throughout his career, Engstrom has collaborated with notable colleagues, including Joseph M Anderson and Barney T Baldi. These collaborations have fostered a creative environment that encourages the development of innovative solutions in the construction industry.

Conclusion

John M Engstrom's contributions to concrete joint sealing technology exemplify his commitment to innovation in engineering. His patent for the Pressure/Compression Concrete Joint Seal showcases his ability to address practical challenges in construction. Engstrom's work continues to influence the industry positively.