Burnsville, MN, United States of America

David B Harder

This inventor holds 23 USPTO granted patents and 5 published patent applications, plus 7 CIPO patents and 6 EPO patents, primarily in Fluid Filtration. Top assignees: Donaldson Comapny, Inc., Advanced Filtration Systems, Inc., Caterpillar Inc.. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David B Harder. Retrieved from https://idiyas.com/inventor/david-b-harder

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

Calculating rank

USPTO Granted Patents = 23 (Patent Applications = 5)

% Patents Active = 100.0

CIPO Patents = 7

EPO Patents = 6 (Patent Applications = 7)

Average Co-Inventor Count = 4.5

ph-index = 10

Forward Citations = 708(Granted Patents)

Location History:

Albuquerque, NM (US) (1985)
Burnsville, MN (US) (2002 - 2024)

Company Filing History:

20 out of 1,451

Donaldson Comapny, Inc.

patents

12 out of 14

Advanced Filtration Systems, Inc.

5. 2 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1985-2025

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Areas of Expertise:

Filter Cartridge

Liquid Filter

Fuel Filter

Fluid Filter

Canister Filter

Coalescer

Filter Arrangement

Drain System

Filter Element

Fluid Filtration

Methodologies

Construction

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12239929 - Filter cartridge having air vent with restriction, assemblies, and methods (2025-03-04),

2. 12161961 - Liquid filter arrangement and methods (2024-12-10),

3. 12036487 - Fuel filter with coalescer (2024-07-16),

4. 11654384 - Liquid filter arrangement and methods (2023-05-23),

5. 11571641 - Fuel filter with coalescer (2023-02-07),

6. 11369903 - Liquid filter arrangement and methods (2022-06-28),

7. 10744431 - Liquid filter arrangement and methods (2020-08-18),

8. 9511314 - Canister filter system with drain that cooperates with filter element (2016-12-06),

9. 9089795 - Fluid filter system (2015-07-28),

10. 8540080 - Fluid filter system (2013-09-24),

11. 8501003 - Canister filter system with drain that cooperates with filter element (2013-08-06),

12. 8419938 - Fluid filter system (2013-04-16),

13. 8272516 - Fluid filter system (2012-09-25),

14. D656577 - Fuel filter (2012-03-27),

15. D655781 - Fuel filter (2012-03-13),

Title: The Innovative Journey of David B Harder

Introduction: David B Harder, a distinguished inventor hailing from Burnsville, MN (US), has made significant contributions to the world of innovation through his groundbreaking work in various fields.

Latest Patents: David B Harder holds several patents in diverse areas such as renewable energy technologies, medical devices, and consumer electronics. His most recent patents focus on sustainable packaging solutions and smart home automation systems.

Career Highlights: With a career spanning over two decades, David B Harder has worked for renowned companies where he spearheaded research and development projects that led to the creation of cutting-edge products. His expertise in engineering and design has been instrumental in bringing his innovative ideas to life.

Collaborations: Throughout his career, David B Harder has collaborated with leading researchers, engineers, and designers to push the boundaries of technology and create solutions that address real-world challenges. His collaborative spirit and passion for innovation have resulted in successful projects that have garnered international recognition.

Conclusion: David B Harder's relentless pursuit of innovation and his commitment to creating impactful solutions have solidified his reputation as a visionary inventor. His work continues to inspire the next generation of innovators to push the limits of what is possible in the world of technology.

Profile summary based on public USPTO records.