Company Filing History:
3 out of 115 
1 out of 321 
Years Active: 1990-2000
Title: Innovations by Stephen Harold Johnston: Pioneering Methods in Aircraft Structural Manufacturing
Introduction
Stephen Harold Johnston, an accomplished inventor based in Balderstone, GB, holds an impressive portfolio of four patents. His work significantly contributes to the field of aircraft manufacturing, focusing on methods that enhance efficiency and reduce costs in the production of structural parts.
Latest Patents
Johnston’s latest patents revolve around innovative methods for manufacturing structural components specifically for the aircraft industry. Notably, he has developed a method that utilizes diffusion bonding and superplastic forming techniques. This approach allows for the creation of frames with central members and cantilever ribs without the time-consuming and expensive processes of forging or machining. In his invention, a pack of sheets is bonded together, leaving certain areas open. Gas is then injected into these areas to inflate the pack superplastically, forming closed cells that can later be machined to create a lightweight and structurally efficient frame.
Career Highlights
Throughout his career, Johnston has made significant contributions to major aerospace companies. He has worked at British Aerospace Plc and British Aerospace Public Limited Company, where his innovative ideas have influenced the production processes within the industry. His experience in high-profile organizations has provided him with the expertise needed to produce groundbreaking inventions.
Collaborations
Johnston’s work is often highlighted through collaborations with notable colleagues, including Brian Ginty and Duncan R Finch. These partnerships have allowed him to share insights and refine techniques in structural manufacturing, furthering advancements in aircraft design and safety.
Conclusion
In summary, Stephen Harold Johnston stands out as a key inventor in the aviation sector, with his latest patents offering revolutionary methods for manufacturing aircraft structural components. His career highlights and collaborations reflect a dedication to innovation that continues to influence the aerospace industry.