Apple Valley, MN, United States of America

Joseph C Tokar

This inventor holds 38 USPTO granted patents, plus 2 CIPO patents and 2 EPO patents, primarily in Filter Technology. Top assignee: Donaldson Comapny, Inc.. Active years: 1979-2013.

USPTO Granted Patents = 38

% Patents Active = 89.5

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 2.6

ph-index = 29

Forward Citations = 4,763(Granted Patents)

Company Filing History:

38 out of 1,448

Donaldson Comapny, Inc.

patents

Years Active: 1979-2013

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Areas of Expertise:

Fluted Filter Media

Filter Arrangement

Valve Assembly

Air Filter

Conical Filter

Mist Collector

Integrated Resonator

Cabinet Filter

Inline Filter

Multi-Layered Filter

Air Cleaner

Clean Room Support

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8460442 - Fluted filter media (2013-06-11),

2. 8268053 - Fluted filter media (2012-09-18),

3. 7329326 - Method of making a fluted filter media for air filter (2008-02-12),

4. 7252704 - Filter arrangement and methods (2007-08-07),

5. 6994744 - Filter arrangement and methods (2006-02-07),

6. 6960245 - Filter arrangement and methods (2005-11-01),

7. 6599344 - Filter arrangement and methods (2003-07-29),

8. 6533845 - Filter arrangement and methods (2003-03-18),

9. 6368374 - Filter arrangement and methods (2002-04-09),

10. 6348085 - Filter arrangement and methods (2002-02-19),

11. D450828 - Fluted filter element having a handle (2001-11-21),

12. 6235195 - Filter element incorporating a handle member (2001-05-22),

13. 6213146 - Valve assembly for preventing liquid ingestion and methods (2001-04-10),

14. 6210469 - Air filter arrangement having first and second filter media dividing a housing and methods (2001-04-03),

15. 6209559 - Valve assembly for preventing liquid ingestion and methods (2001-04-03),

Title: The Innovative Patents of Joseph C. Tokar: A Spotlight on Filtration Technologies

Introduction: Joseph C. Tokar, based in Apple Valley, Minnesota, is a prolific inventor with an impressive portfolio of 38 patents to his name. His contributions have significantly advanced the field of filtration technologies, particularly with his innovative designs in fluted filter media.

Latest Patents: Tokar's recent patents focus on a design that enhances the efficiency of filter media through the incorporation of flutes. His latest invention, the fluted filter media, features numerous flutes with alternating closed ends to direct fluid effectively through the filter material. The patent describes various embodiments, including tapered flutes that increase flow efficiency by having larger open ends than closed ends. Additionally, it presents asymmetrical designs with differing upstream and downstream flute cross-sections to optimize fluid passage. Notably, one embodiment crushes the upstream edge to improve flow dynamics, while another recesses upstream sealing material to mitigate blockage issues.

Career Highlights: Joseph C. Tokar works at Donaldson Company, Inc., a leader in providing filtration solutions across various industries. His commitment to innovation and patent development has positioned him as a key figure within the company, where he continues to push the boundaries of filtration technology.

Collaborations: Throughout his career, Tokar has collaborated with esteemed colleagues, including Gary Ray Gillingham and Daniel T. Risch. Their combined efforts have fostered a collaborative environment that encourages creativity and the advancement of filtration technologies.

Conclusion: With a strong focus on innovation and practical applications, Joseph C. Tokar exemplifies the spirit of advancement in the field of filtration. His dedication to developing cutting-edge filter media not only showcases his inventiveness but also his commitment to improving industrial processes through effective filtration solutions. As Tokar continues to innovate within Donaldson Company, Inc., the industry eagerly anticipates his future contributions.