Location History:
- Woods Hole, Cape Cod, MA (US) (1980)
- Boston, MA (US) (1985)
- Monticello, MN (US) (1994 - 2004)
- Silver Spring, MD (US) (2004)
- Newark, DE (US) (1989 - 2017)
- Tulsa, OK (US) (1988 - 2023)
Company Filing History:
25 out of 312 
6 out of 1,626 
3 out of 210 
Years Active: 1980-2025
Areas of Expertise:
Title: Innovations and Patents of William B. Johnson
Introduction
William B. Johnson, based in Tulsa, OK, is a prominent inventor known for his contributions to the field of dental instruments. With a remarkable portfolio of 38 patents, Johnson has made significant advancements that enhance both the efficacy and safety of endodontic procedures.
Latest Patents
Among his latest innovations, Johnson has developed an endodontic instrument with an enlarged chip space and reduced torque strength. This instrument features two spiraled flutes along its length, providing two non-landed cutting edges that merge into a land at the tip. Notably, the helical angle increases towards the tip, optimizing flexibility and chip space compared to traditional designs.
Another noteworthy patent is the multi-planar pre-curved rotary endodontic file. This file includes a unique pre-curved apical portion with two curvatures, allowing it to effectively engage the walls of a tooth root canal. The design enables the file to navigate around ledges and lateral openings, maintaining its trajectory within the curvature of the canal – thereby improving treatment outcomes.
Career Highlights
Throughout his career, Johnson has collaborated with notable organizations such as Dentsply International Inc., where he has contributed to the development of cutting-edge dental technologies. His innovations reflect his deep understanding of endodontic needs and his commitment to enhancing dental practices.
Collaborations
Johnsons’ work has often intersected with esteemed professionals in the field, including Carl J. Berendt and Mahmoud Torabinejad. These collaborations have fostered a creative environment that encourages the development of innovative solutions in endodontic care.
Conclusion
William B. Johnson's inventive spirit continues to drive advancements in dental technology. His numerous patents illustrate his commitment to improving endodontic instruments, making them safer and more effective for practitioners and patients alike. As his contributions evolve, they pave the way for future developments in dental healthcare.