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For the Inventor, By the Inventor

Bethel, CT, United States of America

Duracell Inc.

USPTO Granted Patents = 219


Trademarks = 3

Forward Citations = 5,089

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245 inventors (with patents filed for the assignee):

goldMedal William L Bowden (17 out of 42 patents)

silverMedal Alwyn H Taylor (12 out of 17 patents)

bronzeMedal Han C Kuo (11 out of 26 patents)

4.  Enoch I Wang (10 out of 15 patents)

5.  Lifun Lin (9 out of 47 patents)

6.  Sean A Sargeant (9 out of 9 patents)

7.  Robert Yoppolo (8 out of 23 patents)

8.  Viet H Vu (8 out of 31 patents)

9.  William T McHugh (8 out of 21 patents)

10.  Chih-Chung Wang (8 out of 13 patents)

11.  Arabinda N Dey (8 out of 39 patents)

12.  Jack Treger (7 out of 14 patents)

13.  Peter R Moses (7 out of 22 patents)

14.  Jane A Blasi (7 out of 8 patents)

15.  Marian Wiacek (7 out of 7 patents)


Core Competencies:
Battery Cathode
Electrode Assemblies
Hydrogen Storage Alloy
Current Interrupter
Alkaline Cell
Prismatic Cell
Lithium Ion Cell
Manganese Dioxide
Battery Pack
Electrochemical Cell Label
Moisture Barrier
Universal Battery Charger

219 patents:

1. 6833217 - Battery cathode (2004-12-21),
2. 6521378 - Electrode having multi-modal distribution of zinc-based particles (2003-02-18),
3. 6309775 - Prismatic electrochemical cell (2001-10-30),
4. 6298530 - Reinforced coiled electrode assemblies and methods of producing same (2001-10-09),
5. 6284410 - Zinc electrode particle form (2001-09-04),
6. 6207322 - Alkaline cell with semisolid cathode (2001-03-27),
7. 6197448 - Hydrogen storage alloy (2001-03-06),
8. 6159634 - Battery separator (2000-12-12),
9. 6143446 - Battery cathode (2000-11-07),
10. 6143439 - End cap assembly for an electrochemical cell (2000-11-07),
11. 6127062 - End cap seal assembly for an electrochemical cell (2000-10-03),
12. 6126704 - Method of forming a terminal pip protrusion on the casing of an alkaline (2000-10-03),
13. 6083639 - Current interrupter for electrochemical cells (2000-07-04),
14. 6080506 - Pressure activated current interrupter for electrochemical cells (2000-06-27),
15. 6074783 - Hydrogen storage alloys for use in rechargeable electrochemical cells, (2000-06-13),
Company Overview
Duracell Inc., headquartered in Bethel, Connecticut, specializes in the development and manufacturing of advanced electrochemical cells. The company is renowned for its expertise in various battery technologies, including alkaline, lithium-ion, and prismatic cells. Duracell's core innovations encompass battery cathodes, electrode assemblies, and hydrogen storage alloys, contributing to a wide range of applications in consumer electronics and beyond. With a commitment to quality and performance, Duracell remains a leader in the battery industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Duracell Inc. USPTO Patent Assignee Logo
219 Patents

#1 in Bethel, CT

#52 in Connecticut

#1,917 in US

#3,910 in the World

Bethel, CT (US)
Bethel, CT, United States of America

Duracell Inc.

Forward Citations = 5,089

245 inventors:

goldMedal William L Bowden (17 out of 42 patents)

silverMedal Alwyn H Taylor (12 out of 17 patents)

bronzeMedal Han C Kuo (11 out of 26 patents)

4.  Enoch I Wang (10 out of 15 patents)

5.  Lifun Lin (9 out of 47 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Duracell Inc.. Retrieved from https://idiyas.com/company/duracell

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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