Location History:
- Marlboro Township, Stark County, OH (US) (2003)
- Atwater, OH (US) (1996 - 2013)
Company Filing History:
2 out of 67 
2 out of 1,158 
1 out of 55 
Years Active: 1996-2013
Title: Douglas D. Zeigler: Innovator in Boiler Technology and Coatings
Introduction
Douglas D. Zeigler is a notable inventor based in Atwater, OH (US), recognized for his contributions to boiler technology and surface coatings. He holds a total of 7 patents, showcasing his innovative spirit and technical expertise in engineering.
Latest Patents
Among his latest patents is a method of forming, inserting, and permanently bonding ribs in boiler tubes. This innovative technique provides boiler tubes with a variably ribbed interior surface, enhancing their efficiency. The process involves wrapping a suitably dimensioned spindle with a wire-like member to create a reverse image of the desired ribbing pattern. After applying a brazing metal paste, the spindle is inserted into the tube, allowing the wire-like member to conform to the inner surface. The tube is then heated to bond the wire-like member to the tube's interior, followed by cooling to solidify the structure. Another significant patent is the method for producing chromium carbide coatings on steel. This method involves carburizing a steel component to contain at least 0.40% by weight carbon, followed by chromizing the surface to form a durable chromium carbide coating.
Career Highlights
Throughout his career, Douglas has worked with various companies, including McDermott Technology, Inc. His work has significantly impacted the field of boiler technology and surface engineering, leading to advancements that improve the performance and longevity of industrial components.
Collaborations
Douglas has collaborated with notable professionals in his field, including James M. Tanzosh and Walter R. Mohn. Their combined expertise has contributed to the successful development of innovative technologies.
Conclusion
Douglas D. Zeigler's contributions to boiler technology and surface coatings exemplify his dedication to innovation and engineering excellence. His patents reflect a commitment to improving industrial processes and enhancing product performance.