Location History:
- Forth Worth, TX (US) (2002)
- Fort Worth, TX (US) (1998 - 2004)
Company Filing History:
9 out of 81 
2 out of 97 
1 out of 832,912 Years Active: 1998-2004
Title: The Innovations of John W. Coulborn
Introduction
John W. Coulborn, an accomplished inventor based in Fort Worth, TX, has made significant contributions to the field of railway technology. With a portfolio of 12 patents, Coulborn has demonstrated a commitment to enhancing the performance and durability of railway cars, proving his expertise in mechanical engineering and design.
Latest Patents
Coulborn's latest inventions include a groundbreaking method for forming a railway car with improved crosstie connections. This innovative approach involves a connection or weld attachment that efficiently connects a first structural member to a second structural member using mechanical fasteners and welds. The design features an end plate attached to the first structural member, enhancing stability and reducing fatigue cracking. Additionally, he has developed a high-capacity integrated railway car truck, which has been modified to improve the fatigue life of its components. It corresponds to AAR's nominal 100-ton size truck and is capable of supporting railway cars with a 315,000-pound gross weight on rail rating.
Career Highlights
Throughout his career, Coulborn has significantly influenced the railway industry. He has worked with notable companies such as Trn Business Trust and Trinity Industries, Inc., where his innovative designs have improved the efficiency and safety of railway transport.
Collaborations
Throughout his professional journey, Coulborn has collaborated with talented individuals such as Mell R. Thoman and Stephen W. Smith. These partnerships have fostered a creative environment that has driven advancements in the engineering of railway systems.
Conclusion
John W. Coulborn’s contributions to railway innovations underscore his status as a leading inventor in the field. With a focus on improving the structural integrity and service life of railway cars, Coulborn continues to pave the way for future advancements in railway technology. His work not only enhances current systems but also lays the groundwork for the next generation of railway engineering solutions.