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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Energizer Brands, LLC


USPTO Granted Patents = 186



Trademarks = 114

Forward Citations = 1,437

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170 inventors (with patents filed for the assignee):

goldMedal Weiwei Huang (13 out of 23 patents)

silverMedal Lai King Ma (11 out of 27 patents)

bronzeMedal David J Hine (11 out of 49 patents)

4.  John R Brown (11 out of 81 patents)

5.  M Edgar Armacanqui (9 out of 16 patents)

6.  Donwoong Kang (9 out of 119 patents)

7.  John L Hadley (9 out of 14 patents)

8.  Donald Raymond Crowe (8 out of 9 patents)

9.  Matthew Hennek (8 out of 8 patents)

10.  Andrew John Roszkowski (8 out of 14 patents)

11.  Tim F Turba (7 out of 7 patents)

12.  Enqing Zhu (7 out of 7 patents)

13.  Chris Bourne (7 out of 7 patents)

14.  Marc Syvertsen (7 out of 13 patents)

15.  Joanna Lynn Celestina (7 out of 10 patents)


Core Competencies:
Electrochemical Cells
High-Rate Discharge Performance
Alkaline Battery Technology
Lighting Devices
Battery Performance Additives
Metal-Air Cells
Nickelate Cathode Materials
Portable Lighting Solutions
Hearing Aid Batteries
Separator Components
Flashlight Innovations
Carbon Coatings

186 patents:

1. D1097268 - Flashlight (2025-10-07),
2. 12438160 - Electrochemical cell with improved high-rate discharge performance (2025-10-07),
3. D1084446 - Lighting device (2025-07-15),
4. 12341186 - Alkaline electrochemical cell with improved anode and separator components (2025-06-24),
5. 12266820 - Separator for alkaline cells (2025-04-01),
6. 12215851 - Portable lighting device with integrated storage (2025-02-04),
7. 12199248 - Additives for improving battery performance via cation adsorption (2025-01-14),
8. D1057243 - Flashlight (2025-01-07),
9. D1055339 - Lighting device (2024-12-24),
10. 12126014 - Alkaline electrochemical cells comprising increased zinc oxide levels (2024-10-22),
11. 12119474 - Electrode bonding system and method of use (2024-10-15),
12. 12116288 - Nickelate cathode materials (2024-10-15),
13. 12107280 - Zinc-air electrochemical cells with carbon dioxide scavengers (2024-10-01),
14. 12087899 - Electrode and separator feed system and method of use (2024-09-10),
15. D1039191 - Lighting device (2024-08-13),
Energizer Brands, LLC is a global energy company primarily engaged in the production and distribution of batteries and portable power solutions. With a rich history that dates back to 1896, Energizer has become a renowned name in the industry, known for its high-quality products and innovative technologies. The company offers a wide range of batteries, including lithium, alkaline, and rechargeable batteries, as well as portable power solutions such as power banks and chargers. Energizer is committed to providing reliable and long-lasting power solutions to meet the needs of consumers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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186 Patents

#17 in St. Louis, MO

#28 in Missouri

#2,122 in US

#4,387 in the World

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St. Louis, MO, United States of America

Energizer Brands, LLC

Forward Citations = 1,437

170 inventors:

goldMedal Weiwei Huang (13 out of 23 patents)

silverMedal Lai King Ma (11 out of 27 patents)

bronzeMedal David J Hine (11 out of 49 patents)

4.  John R Brown (11 out of 81 patents)

5.  M Edgar Armacanqui (9 out of 16 patents)

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