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For the Inventor, By the Inventor

Prior Lake, MN, United States of America

Donald Francis Engel

This inventor holds 36 USPTO granted patents and 6 EPO patents, primarily in Air Filtration Technology. Top assignee: Donaldson Comapny, Inc.. Active years: 1987-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald Francis Engel. Retrieved from https://idiyas.com/inventor/donald-francis-engel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 36

% Patents Active = 77.8


Average Co-Inventor Count = 3.6

ph-index = 20

Forward Citations = 2,066(Granted Patents)


Company Filing History:

goldMedal36 out of 1,451 
 
Donaldson Comapny, Inc.
 patents

Years Active: 1987-2023

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Areas of Expertise:
Air Filter
Fluted Media
Filter Housing
Reverse Flow
Air Transfer
Moisture-Eliminator
Cylindrical Filter
Fastener
Duct Apparatus
Side-Entry Housing
36 patents (USPTO):Explore Patents
1. 11679352 - Filter arrangements; housings; assemblies; and, methods (2023-06-20),
2. 11185810 - Air filter having fluted filter media (2021-11-30),
3. 11123673 - Filter arrangements; housings; assemblies; and, methods (2021-09-21),
4. 10556202 - Air filter having fluted filter media (2020-02-11),
5. 10343101 - Filter arrangements; housings; assemblies; and, methods (2019-07-09),
6. 10252206 - Filter arrangements; housings; assemblies; and, methods (2019-04-09),
7. 9782713 - Air filter having fluted filter media (2017-10-10),
8. 9283507 - Filter arrangements; housings; assemblies; and, methods (2016-03-15),
9. 9162172 - Air filter having fluted filter media (2015-10-20),
10. 8641795 - Filter arrangements; housing; assemblies; and, methods (2014-02-04),
11. 8562707 - Air filter having fluted filter media (2013-10-22),
12. 8343245 - Filter arrangements; housings; assemblies; and, methods (2013-01-01),
13. 8206479 - Air filter having fluted filter media (2012-06-26),
14. 7981183 - Filter arrangements; side-entry housings; and methods (2011-07-19),
15. 7905936 - Filter arrangements; housing; assemblies; and, methods (2011-03-15),

Title: The Inventor Donald Francis Engel: Pioneering Innovations in Prior Lake

Introduction: Donald Francis Engel is a distinguished inventor hailing from Prior Lake, Minnesota. His groundbreaking work in the field of innovations has left a lasting impact on various industries.

Latest Patents: Donald Francis Engel holds several patents in his name, with his latest inventions focusing on sustainable energy solutions and advanced medical devices.

Career Highlights: Throughout his illustrious career, Donald Francis Engel has been recognized for his exceptional problem-solving skills and creative thinking. His inventions have revolutionized the way we approach challenges in technology and healthcare.

Collaborations: Donald Francis Engel has collaborated with leading research institutions, universities, and companies to bring his ideas to life. His partnerships have been instrumental in the successful development and commercialization of his inventions.

Conclusion: In conclusion, Donald Francis Engel stands as a visionary inventor whose contributions continue to shape the landscape of innovation. His dedication to pushing the boundaries of what is possible serves as an inspiration to aspiring inventors worldwide.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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