Minneapolis, MN, United States of America

Ault, Inc.

Calculating rank

USPTO Granted Patents = 7

% Expired Patents = 28.6

Trademarks = 4

Forward Citations = 142

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9 inventors (with patents filed for the assignee):

Luther T Prince, Jr (4 out of 4 patents)

Wilbur J Hampel (2 out of 6 patents)

Michael R Duggan (1 out of 1 patent)

4. Nazario Lopes (1 out of 1 patent)

5. Louis Soto (1 out of 1 patent)

6. William Peterson (1 out of 1 patent)

7. Donald W Roback (1 out of 1 patent)

8. Dean L Huppert (1 out of 1 patent)

9. Michael A Boot (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7193307 - Multi-layer FET array and method of fabricating (2007-03-20),

2. 6831835 - Multi-layer laminated structures, method for fabricating such structures, and power supply including such structures (2004-12-14),

3. 5864472 - Apparatus for controlling a multiresonant self-oscillating converter (1999-01-26),

4. 4233553 - Automatic dual mode battery charger (1980-11-11),

5. 4044458 - Method of making a power-pack assembly (1977-08-30),

6. 4039900 - Plug in regulating power supply (1977-08-02),

7. 3979707 - Power-pack assembly (1976-09-07),

Company Overview

Ault, Inc. is a leading provider of power solutions for diverse industries including medical, telecommunications, and industrial applications. With over 50 years of experience, Ault offers high-quality, reliable products such as AC/DC power supplies, DC/DC converters, and battery chargers. Their innovative solutions are known for their efficiency, durability, and versatility, helping customers meet their power requirements with ease.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

7 Patents

#246 in Minneapolis, MN

#1,122 in Minnesota

#39,974 in US

Minneapolis, MN, United States of America

Ault, Inc.

Forward Citations = 142

9 inventors:

Luther T Prince, Jr (4 out of 4 patents)

Wilbur J Hampel (2 out of 6 patents)

Michael R Duggan (1 out of 1 patent)

4. Nazario Lopes (1 out of 1 patent)

5. Louis Soto (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ault, Inc.. Retrieved from https://idiyas.com/company/ault

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]