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Mendota Heights, MN, United States of America

Gnb Battery Technologies Inc.

USPTO Granted Patents = 19

Trademarks = 1

Forward Citations = 920

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19 inventors (with patents filed for the assignee):

William H Kump (5 out of 34 patents)

David L Lund (5 out of 20 patents)

Jing-Yih Cherng (5 out of 5 patents)

4. James K Klang (5 out of 5 patents)

5. Purushothama Rao (4 out of 23 patents)

6. Donald W Groff (4 out of 4 patents)

7. Thomas F Uhlemann (2 out of 6 patents)

8. Deborah S Baumgartner (2 out of 3 patents)

9. Steven R Larsen (1 out of 28 patents)

10. Duane D Hakarine (1 out of 2 patents)

11. Jeffrey M Henning (1 out of 4 patents)

12. Richard M Sahli (1 out of 4 patents)

13. Frederick L Marsh (1 out of 3 patents)

14. Gordon C Beckley (1 out of 1 patent)

15. John Larson (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 5682671 - Method of assembling a bipolar battery and bipolar battery (1997-11-04),

2. 5656920 - Method and apparatus for charging a lead-acid battery (1997-08-12),

3. 5589757 - Apparatus and method for step-charging batteries to optimize charge (1996-12-31),

4. 5583416 - Apparatus and method for step-charging batteries to optimize charge (1996-12-10),

5. 5516600 - Temperature-sensitive thermal insulators for lead-acid batteries (1996-05-14),

6. 5512065 - Methods for assembling lead-acid batteries (1996-04-30),

7. 5487496 - Lead delivery system for casting straps in the manufacture and assembly (1996-01-30),

8. 5484667 - Spacers for lead-acid batteries (1996-01-16),

9. 5470679 - Method of assembling a bipolar lead-acid battery and the resulting (1995-11-28),

10. 5469043 - Method for optimizing the charging of lead-acid batteries and an (1995-11-21),

11. 5460900 - Lead-acid battery having a fluid compartment for reducing (1995-10-24),

12. 5441123 - Sealed lead-acid cell tray assembly and motive powered vehicle using (1995-08-15),

13. 5434025 - Battery grids and plates and lead-acid batteries made using such grids (1995-07-18),

14. 5429643 - Method of assembling a bipolar lead-acid battery and the resulting (1995-07-04),

15. 5422199 - Batteries having improved venting systems (1995-06-06),

GNB Battery Technologies Inc. is a leading global provider of energy storage solutions for a wide range of applications, including industrial, motive power, and transportation. With a focus on innovation and sustainability, GNB Battery Technologies is committed to delivering high-quality, reliable battery solutions to meet the evolving needs of customers around the world.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

19 Patents

#6 in Mendota Heights, MN

#493 in Minnesota

#16,657 in US

#31,778 in the World

Mendota Heights, MN, United States of America

Gnb Battery Technologies Inc.

Forward Citations = 920

19 inventors:

William H Kump (5 out of 34 patents)

David L Lund (5 out of 20 patents)

Jing-Yih Cherng (5 out of 5 patents)

4. James K Klang (5 out of 5 patents)

5. Purushothama Rao (4 out of 23 patents)

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