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For the Inventor, By the Inventor

Bethel, CT, United States of America

Duracell Inc.


USPTO Granted Patents = 219


Trademarks = 4

Forward Citations = 5,009

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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.  Viet H Vu (8 out of 31 patents)

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

9.  Robert A Yoppolo (8 out of 8 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
Prismatic Electrochemical Cell
Zinc-Based Particles
Hydrogen Storage Alloy
Alkaline Cell
Lithium Ion Cell
Current Interrupter
Electrochemical Synthesis
Moisture Barrier Composite
Processor Controlled Battery
Manganese Dioxide

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),
Duracell Inc., owned by Berkshire Hathaway, is an American manufacturing company specializing in batteries and smart power systems. With a history dating back to 1924, Duracell has established itself as a leading brand in the battery industry. The company's products are known for their high-quality performance, reliability, and durability. Duracell supplies batteries for various applications, including consumer electronics, automotive, medical devices, and more.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

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219 Patents

#1 in Bethel, CT

#43 in Connecticut

#1,832 in US

#3,785 in the World

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Bethel, CT, United States of America

Duracell Inc.

Forward Citations = 5,009

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)

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