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For the Inventor, By the Inventor

Laconia, NH, United States of America

John C Dahlheimer

USPTO Granted Patents = 16


Average Co-Inventor Count = 1.1

ph-index = 7

Forward Citations = 163(Granted Patents)


Company Filing History:

goldMedal15 out of 225 
 
Freudenberg-Nok General Partnership
 patents
silverMedal1 out of 1 
 
Freudenberg-Nok Gp
 patent

Years Active: 1992-2011

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16 patents (USPTO):Explore Patents
1. 7963526 - Prelubricated multi-lipped radial shaft seal with large radial offset accommodation (2011-06-21),
2. 7887062 - Radial shaft seal with large radial offset accommodation (2011-02-15),
3. 7845740 - Unitized seal with integral spacer (2010-12-07),
4. 7673479 - Seal seat ring component with locking and venting features (2010-03-09),
5. 7431304 - Face seal with constriction ring (2008-10-07),
6. 7431303 - Heat conducting seal (2008-10-07),
7. 7311307 - Seal seat assembly with specialized features (2007-12-25),
8. 7108266 - Fan cooled seal seat (2006-09-19),
9. 6896481 - Deflectable enclosure cover (2005-05-24),
10. 6805357 - Bellows face seal assembly (2004-10-19),
11. 6328528 - Elastomeric pump impeller (2001-12-11),
12. 6113106 - Gimballed mechanical face seal (2000-09-05),
13. 6062815 - Unitized seal impeller thrust system (2000-05-16),
14. 5951241 - Regenerative turbine pump cover (1999-09-14),
15. 5676382 - Mechanical face seal assembly including a gasket (1997-10-14),

Title: Innovations of John C. Dahlheimer

Introduction

John C. Dahlheimer is a notable inventor based in Laconia, NH (US). He has made significant contributions to the field of engineering, particularly in the development of advanced sealing technologies. With a total of 16 patents to his name, Dahlheimer's work has had a considerable impact on various industries.

Latest Patents

Dahlheimer's latest patents include the "Prelubricated Multi-Lipped Radial Shaft Seal with Large Radial Offset Accommodation." This innovative radial shaft seal is designed to accommodate large radial offsets of the shaft relative to a housing. The seal features an annular retainer insert that engages the seal to a fixed housing. An elastomeric seal body is molded to the retainer insert, which includes a flexible axially extending portion. The seal portion extends from the flexible portion and consists of first and second seal lips, along with an elastomeric bearing surface that has raised pads to engage the shaft. These pads are designed to encourage the creation of a lubricating film, enhancing the seal's performance.

Another notable patent is the "Radial Shaft Seal with Large Radial Offset Accommodation." Similar to his previous invention, this seal also accommodates large radial offsets. It includes an annular retainer insert and an elastomeric seal body molded to the retainer. The design features a seal lip with a garter spring and a bearing surface with raised pads, which are lubricated by direct exposure to the fluid being sealed.

Career Highlights

Throughout his career, Dahlheimer has worked with prominent companies such as Freudenberg-NOK General Partnership and Freudenberg-NOK GP. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative sealing solutions.

Collaborations

Dahlheimer has collaborated with notable colleagues, including Robert S. Holt and Robert E. Doucette. These partnerships have fostered a creative environment that has led to the successful development of his patented technologies.

Conclusion

John C. Dahlheimer's contributions to the field of sealing technology are significant and impactful. His innovative designs and patents continue to influence the industry, showcasing his expertise and dedication to engineering advancements.

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