% Expired Patents = 11.1

Forward Citations = 45

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3 inventors (with patents filed for the assignee):

Grant Leum (18 out of 46 patents)

Eric Demerath (17 out of 18 patents)

Nick Benz (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12686576 - Adjustable mobile loading dock (2026-07-21),

2. 12486127 - Vehicle leveler with lighting safety features (2025-12-02),

3. 12479676 - Vehicle leveler with improved drainage (2025-11-25),

4. 12214979 - Vehicle leveler with safety features (2025-02-04),

5. 12024411 - Vehicle leveler with wheel chock (2024-07-02),

6. 12006170 - Vehicle leveler with door interlock (2024-06-11),

7. 11858763 - Vehicle leveler with safety features (2024-01-02),

8. 11772915 - Hydraulically-powered vehicle leveler (2023-10-03),

9. 11745965 - Vehicle leveler with safety features (2023-09-05),

10. 11577923 - Portable dock plate (2023-02-14),

11. 11572239 - Vehicle leveler with safety features (2023-02-07),

12. 11511954 - Vehicle leveler with swing gate (2022-11-29),

13. D968652 - Swing gate for a loading dock (2022-11-01),

14. 11273999 - Modular loading dock with integrated leveler (2022-03-15),

15. 11273998 - Vehicle leveler with safety features (2022-03-15),

Company Overview

Leum Engineering, Inc. is a specialized engineering firm based in Minnetonka, MN, focusing on advanced engineering solutions and product development. The company excels in areas such as mechanical design, systems integration, and prototyping, catering to a diverse range of industries including aerospace, automotive, and medical devices. With a commitment to innovation, Leum Engineering leverages cutting-edge technologies to deliver high-quality, reliable products that meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

18 Patents

#33 in Minnetonka, MN

#537 in Minnesota

#17,952 in US

#34,187 in the World

Minnetonka, MN, United States of America

Leum Engineering, Inc.

Forward Citations = 45

3 inventors:

Grant Leum (18 out of 46 patents)

Eric Demerath (17 out of 18 patents)

Nick Benz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leum Engineering, Inc.. Retrieved from https://idiyas.com/company/leum-engineering

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

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]