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North Charleston, SC, United States of America

Daramic, Inc.

USPTO Granted Patents = 116

EPO Patents = 27

Trademarks = 29

Forward Citations = 433

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64 inventors (with patents filed for the assignee):

J Kevin Whear (58 out of 59 patents)

Eric Henri Miller (56 out of 57 patents)

Jeffrey K Chambers (24 out of 24 patents)

4. Ahila Krishnamoorthy (23 out of 23 patents)

5. James P Perry (18 out of 21 patents)

6. John Randolph Timmons (13 out of 13 patents)

7. Robert Saffel (11 out of 12 patents)

8. Tejas R Shah (9 out of 12 patents)

9. Joseph G Yaritz (9 out of 16 patents)

10. Mohammed Naiha (8 out of 8 patents)

11. M Neal Golovin (8 out of 8 patents)

12. Mark T DeMeuse (8 out of 15 patents)

13. Jerry Zucker (8 out of 26 patents)

14. Jörg Deiters (7 out of 7 patents)

15. Klaus Heinrich Ihmels (5 out of 5 patents)

Core Competencies:

Lead Acid Batteries

Battery Separators

Functionalized Separators

Vapor Pressure Barriers

Microporous Membranes

Water Loss Performance

Idle Start Stop Vehicles

Enhanced Flooded Batteries

Oxidation Protected Separator

Composite Layers

Heavy Metal Removal

Fibrous Mat Separators

116 patents: Sort by Forward Citations

1. 12394867 - Lead acid battery separators, warp resistant separators, batteries, systems, and related methods (2025-08-19),

2. 12388155 - Separators for enhanced flooded batteries, batteries, and related methods (2025-08-12),

3. 12334587 - Separators, lead acid batteries, and methods and systems associated therewith (2025-06-17),

4. 12334586 - Composite layers or separators for lead acid batteries (2025-06-17),

5. 12237534 - Battery separators with cross ribs and related methods (2025-02-25),

6. 12230769 - Functionalized lead acid battery separators, improved lead acid batteries, and related methods (2025-02-18),

7. 12215228 - Separators, batteries, systems, and methods for idle start stop vehicles (2025-02-04),

8. 12176494 - Battery separators with improved conductance, improved batteries, systems, and related methods (2024-12-24),

9. 12159976 - Oxidation protected separator (2024-12-03),

10. 12148951 - Separators, lead acid batteries, and methods and systems associated therewith (2024-11-19),

11. 12125988 - Water loss separators used with lead acid batteries, systems for improved water loss performance, and methods of manufacture and use thereof (2024-10-22),

12. 12113237 - Separators with fibrous mat, lead acid batteries using the same, and methods and systems associated therewith (2024-10-08),

13. 12113178 - Separators, batteries, battery strings with improved performance, and related methods (2024-10-08),

14. 12107275 - Lead acid battery separators, separator and electrode assemblies, batteries, systems, and related methods (2024-10-01),

15. 12087969 - Lead acid battery separators having improved rib-profiles, batteries, systems, and related methods (2024-09-10),

Daramic, Inc. is a leading global producer of advanced lead-acid battery separators. With manufacturing facilities across the globe, Daramic supplies specialized battery separators that enhance the performance and lifespan of batteries in various applications. With a strong focus on innovation and sustainability, Daramic continues to drive advancements in battery technology.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

116 Patents

#1 in North Charleston, SC

#24 in South Carolina

#3,188 in US

#6,637 in the World

North Charleston, SC, United States of America

Daramic, Inc.

Forward Citations = 433

64 inventors:

J Kevin Whear (58 out of 59 patents)

Eric Henri Miller (56 out of 57 patents)

Jeffrey K Chambers (24 out of 24 patents)

4. Ahila Krishnamoorthy (23 out of 23 patents)

5. James P Perry (18 out of 21 patents)

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