Minneapolis, MN, United States of America

Robert Dean Johnston

This inventor holds 10 USPTO granted patents and 6 published patent applications and 3 EPO patents. Top assignees: Donaldson Comapny, Inc., Other. Active years: 1988-2026.

USPTO Granted Patents = 10 (Patent Applications = 6)

% Patents Active = 100.0

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 82(Granted Patents)

Location History:

Brownsburg, IN (US) (1988)
Minneapolis, MN (US) (2019 - 2024)
Lakeville, MN (US) (2020 - 2024)

Company Filing History:

9 out of 1,445

Donaldson Comapny, Inc.

patents

1 out of 834,350

Other

patents

Years Active: 1988-2026

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12605661 - Filter cartridges; air cleaner assemblies; housings; features; components; and, methods (2026-04-21),

2. 12214307 - Air cleaner assemblies and methods of use (2025-02-04),

3. 11951433 - Air cleaner assemblies and methods of use (2024-04-09),

4. 11684882 - Air cleaner assemblies and methods of use (2023-06-27),

5. 11660558 - Filter cartridges; air cleaner assemblies; housings; features; components; and, methods (2023-05-30),

6. 11318405 - Air cleaner assemblies and methods of use (2022-05-03),

7. 11198083 - Filter cartridges; air cleaner assemblies; housings; features; components; and, methods (2021-12-14),

8. 10864469 - Air cleaner assemblies and methods of use (2020-12-15),

9. 10512868 - Filter cartridges; air cleaner assemblies; housings; features; components; and, methods (2019-12-24),

10. 4747064 - Approaching vehicle informing system and method (1988-05-24),

Title: The Innovative Contributions of Robert Dean Johnston

Introduction

Robert Dean Johnston is a notable inventor based in Minneapolis, MN (US). He has made significant contributions to the field of air cleaning technology, holding a total of 10 patents. His work focuses on developing advanced air cleaner assemblies that enhance air quality and efficiency.

Latest Patents

One of Johnston's latest patents is for an air cleaner assembly that includes a housing with an inlet and an outlet, featuring an access opening between them. This innovative design incorporates a filter cartridge that covers the access opening and a lock mechanism that secures the filter cartridge in place. The lock mechanism can be moved between an unlocked position, allowing for easy installation and removal of the filter cartridge, and a locked position that ensures the cartridge is securely housed. Additionally, Johnston has developed air cleaner assemblies that utilize advantageous housing seal features, enhancing their overall performance.

Career Highlights

Throughout his career, Robert Dean Johnston has worked with prominent companies, including Donaldson Company, Inc. His experience in the industry has allowed him to refine his inventions and contribute to advancements in air cleaning technologies.

Collaborations

Johnston has collaborated with talented individuals such as Daniel Eric Adamek and Steven K Campbell. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Robert Dean Johnston's contributions to air cleaning technology through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to impact the industry positively.