Company Filing History:
8 out of 196 
6 out of 118 
3 out of 5,119 
Years Active: 1990-2004
Title: The Innovative Mind of Charles D Spragg
Introduction: Charles D Spragg, an inventive spirit hailing from Hudson, OH, has made significant contributions to the field of tire technology with a remarkable tally of 20 patents. His innovations have played a crucial role in enhancing the safety and performance of tires, showcasing his expertise and innovative thinking.
Latest Patents: Among his latest patents is the "Runflat tire with cantilever-like sidewall construction." This innovative design allows tires to be used in applications requiring a large aspect ratio while maintaining desirable ride characteristics. The runflat tire features a sidewall with both a radial portion and a cantilever portion, enabling it to endure uninflated conditions without compromising performance. Additionally, his patent on the "Method of determining potential cause of tire failure by measuring the tire temperature achieved during operating conditions" revolutionizes how tire failures are analyzed. By employing a temperature-indicating label, this method aids in identifying the causes of tire failure post-incident, and even helps in the predictive assessment of tire damage before a failure occurs.
Career Highlights: Charles D Spragg's career includes significant positions at Bridgestone Firestone North American Tire, LLC, and Bridgestone/Firestone Research, Inc. His work in these companies has been instrumental in advancing tire technology, particularly in the design of runflat tires that cater to modern vehicle requirements.
Collaborations: Throughout his career, Charles has collaborated with talented individuals such as James M Kirby and Edward G Markow. These partnerships have helped foster innovative solutions and strengthen the impact of his developments in the tire industry.
Conclusion: Charles D Spragg exemplifies the spirit of innovation through his extensive portfolio of patents and contributions to tire technology. His forward-thinking designs and methodologies not only enhance tire performance but also improve overall road safety. As he continues to push the boundaries of tire innovation, the automotive industry looks forward to the next breakthroughs inspired by his pioneering work.