David E Johnston

Title: Innovations by David E Johnston

Introduction

David E Johnston is a notable inventor based in East Hebron, NH (US). He has made significant contributions to the field of engineering, particularly in the development of advanced sealing technologies. With a total of six patents to his name, Johnston's work has had a considerable impact on various industrial applications.

Latest Patents

Among his latest innovations is the radial shaft seal, which is designed for dynamic applications. This seal features a case member and a resilient sealing body that includes an annular elastomeric member and a resinous ring. The design ensures that the seal lip body engages the shaft in a fluid-tight manner, reducing wear and enhancing durability. Additionally, Johnston has developed an improved dual lip radial shaft seal, which includes features such as an oil side excluder lip seal and an air side dust excluder lip seal. These innovations demonstrate his commitment to improving the efficiency and reliability of sealing solutions.

Career Highlights

Johnston's career has been marked by his work at Freudenberg-NOK General Partnership, where he has been instrumental in advancing sealing technology. His expertise and innovative mindset have led to the successful development of multiple patents that address critical industry needs.

Collaborations

Throughout his career, Johnston has collaborated with talented individuals such as Milton Loman Griswold and David Sakata. These partnerships have fostered a creative environment that has contributed to the success of his inventions.

Conclusion

David E Johnston's contributions to sealing technology through his patents reflect his dedication to innovation and engineering excellence. His work continues to influence the industry and improve the performance of various applications.