Location History:
- Zion, IL (US) (1976 - 1977)
- Charlotte, NC (US) (1978 - 1981)
Company Filing History:
4 out of 942 
2 out of 953 
1 out of 832,992 Years Active: 1976-1981
Title: Innovations of John D Sheldon
Introduction
John D Sheldon is a notable inventor based in Charlotte, NC (US). He has made significant contributions to the field of engineering, particularly with his innovative designs and patents. With a total of 7 patents to his name, Sheldon has demonstrated a commitment to advancing technology and improving existing systems.
Latest Patents
One of his latest patents is an air cleaning system for internal combustion engines. This invention connects the air inlet of the carburetor to an opening in the fan housing, which supplies cooling air to the engine. The design includes an inwardly inclined lip and a sloping surface that deflects dirt and solid particles away from the carburetor, ensuring cleaner air intake. Another notable patent is for a filament type trimmer. In this design, a filament is wound on a storage spool within a rotating housing. The filament extends radially when rotating freely but deflects tangentially upon hitting a stationary object, reducing stress at the exit opening.
Career Highlights
Throughout his career, John D Sheldon has worked with several prominent companies, including Outboard Marine Corporation and Textron Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions.
Collaborations
Some of his notable coworkers include Textron Inc and Daniel F Maier. Their collaboration has likely influenced his work and contributed to the success of his inventions.
Conclusion
John D Sheldon is a distinguished inventor whose work has had a lasting impact on engineering and technology. His innovative patents reflect his dedication to improving systems and processes.