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Mendota Heights, MN, United States of America

Gnb Technologies, Inc.

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USPTO Granted Patents = 53

Trademarks = 4

Forward Citations = 923

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37 inventors (with patents filed for the assignee):

William H Kump (18 out of 34 patents)

David L Lund (10 out of 20 patents)

Purushothama Rao (8 out of 23 patents)

4. Steven R Peterson (5 out of 6 patents)

5. Steven R Larsen (4 out of 32 patents)

6. Thomas F Uhlemann (4 out of 6 patents)

7. Bradley William Stone (3 out of 8 patents)

8. Jeffrey M Henning (3 out of 4 patents)

9. Charles J DiMarco (3 out of 3 patents)

10. Kris H Campbell (2 out of 35 patents)

11. John E Kopala (2 out of 2 patents)

12. Thomas E Lawrence (2 out of 2 patents)

13. Anthony R Horton (2 out of 2 patents)

14. Stephen G Petrakovich (2 out of 2 patents)

15. Gary M Hayes (2 out of 2 patents)

Core Competencies:

Battery Enclosure

Lead-Acid Cells

Charging Methods

Modular Components

Detachable Handles

Sealed Batteries

Hydrometallurgical Process

Cell Tray Assembly

Positive Grids

Induction Heating

Battery Power System

Alloy Recovery

53 patents: Sort by Forward Citations

1. 6494279 - Battery enclosure system for motive power in hazardous service environments (2002-12-17),

2. 6428927 - Detachable rope handle assembly for a battery (2002-08-06),

3. 6423451 - Lead-acid cell and positive plate and alloy therefor (2002-07-23),

4. 6406813 - Lead-acid separators and cells and batteries using such separators (2002-06-18),

5. 6372382 - Low profile front terminal lead-acid battery (2002-04-16),

6. 6351878 - Method for making positive grids and lead-acid cells and batteries using such grids (2002-03-05),

7. 6300005 - Battery with container compartment and end wall stiffening block (2001-10-09),

8. 6225006 - Family of lead-acid batteries using a standardized container and having voltage that can be preselected as necessary (2001-05-01),

9. 6183903 - Plastic battery container having reduced end wall deflection (2001-02-06),

10. 6180286 - Lead-acid cells and batteries (2001-01-30),

11. 6177211 - Detachable rope battery handle assembly (2001-01-23),

12. 6153156 - Method for purifying leady oxides (2000-11-28),

13. 6146784 - Vent plug having an integal seal (2000-11-14),

14. 6132907 - Method for making lead-acid jars and cells and batteries using such jars (2000-10-17),

15. 6120934 - Cell tray assembly and cover system for lead-acids cells and batteries (2000-09-19),

Company Overview

Gnb Technologies, Inc., based in Mendota Heights, MN, specializes in the development and manufacturing of advanced lead-acid battery solutions. The company focuses on innovative technologies related to battery enclosures, lead-acid cells, and various charging methods. Their expertise extends to modular components, detachable handles, and sealed battery designs, ensuring reliability and efficiency in energy storage. Gnb Technologies also employs hydrometallurgical processes and cell tray assembly techniques to enhance battery performance and sustainability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

53 Patents

#2 in Mendota Heights, MN

#184 in Minnesota

#6,674 in US

#13,356 in the World

Mendota Heights, MN, United States of America

Gnb Technologies, Inc.

Forward Citations = 923

37 inventors:

William H Kump (18 out of 34 patents)

David L Lund (10 out of 20 patents)

Purushothama Rao (8 out of 23 patents)

4. Steven R Peterson (5 out of 6 patents)

5. Steven R Larsen (4 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gnb Technologies, Inc.. Retrieved from https://idiyas.com/company/gnb-technologies

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]

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