logo

For the Inventor, By the Inventor

Madison, WI, United States of America

Rayovac Corporation


USPTO Granted Patents = 185

% Expired Patents = 2.2


Trademarks = 12

Forward Citations = 2,907

Loading Chart...
Loading Chart...

171 inventors (with patents filed for the assignee):

goldMedal John Edward Oltman (34 out of 40 patents)

silverMedal Robert B Dopp (33 out of 43 patents)

bronzeMedal Joseph Lynn Passaniti (22 out of 23 patents)

4.  Gerald A Albright (14 out of 15 patents)

5.  Tor H Petterson (14 out of 59 patents)

6.  El-Sayed A Megahed (13 out of 14 patents)

7.  John David Burns (12 out of 12 patents)

8.  Robert C Gaffney (11 out of 13 patents)

9.  Ronald J Ekern (11 out of 11 patents)

10.  David R Schaller (11 out of 11 patents)

11.  Gregory Scott Moy (9 out of 10 patents)

12.  Ashok V Joshi (9 out of 9 patents)

13.  Janna L Rose (8 out of 12 patents)

14.  Ross Mack (7 out of 11 patents)

15.  Ron G Hellenbrand (7 out of 8 patents)


Core Competencies:
Alkaline Cell
Electrochemical Cells
Battery Package
Metal-Air Cathode
Additives
High Discharge Rate
Button Cell
Conductive Additive
Flashlight
Manganese Oxide
Separator
Gelling Agent

185 patents:

1. 7226696 - Alkaline cell with performance enhancing additives (2007-06-05),
2. 7005213 - Ionically conductive additive for zinc-based anode in alkaline electrochemical cells (2006-02-28),
3. 6927000 - Oxazoline surfactant anode additive for alkaline electrochemical cells (2005-08-09),
4. 6878481 - Method and apparatus for regulating charging of electrochemical cells (2005-04-12),
5. D501137 - Battery package (2005-01-25),
6. 6794074 - Air manager for metal-air cells (2004-09-21),
7. 6780347 - Manganese oxide based electrode for alkaline electrochemical system and method of its production (2004-08-24),
8. 6659281 - Button cell battery pack (2003-12-09),
9. 6653016 - Extended temperature operating range electrochemical cells (2003-11-25),
10. 6569563 - Air depolarized electrochemical button cell (2003-05-27),
11. D472006 - Flashlight (2003-03-19),
12. D467022 - LED flashlight (2002-12-11),
13. 6478158 - Battery package with multiple support compartments (2002-11-12),
14. 6461761 - Air depolarized electrochemical cells (2002-10-08),
15. 6436571 - Bottom seals in air depolarized electrochemical cells (2002-08-20),
Rayovac Corporation is a leading manufacturer and distributor of batteries and portable power solutions. With a wide range of products for consumer and industrial use, Rayovac is dedicated to providing reliable and affordable power solutions to meet the needs of its customers.
This text is generated by artificial intelligence and may not be accurate.

logo

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Rayovac Corporation
185 Patents

#3 in Madison, WI

#43 in Wisconsin

#2,202 in US

#4,524 in the World

Madison, WI (US)
Madison, WI, United States of America

Rayovac Corporation

Forward Citations = 2,907

171 inventors:

goldMedal John Edward Oltman (34 out of 40 patents)

silverMedal Robert B Dopp (33 out of 43 patents)

bronzeMedal Joseph Lynn Passaniti (22 out of 23 patents)

4.  Gerald A Albright (14 out of 15 patents)

5.  Tor H Petterson (14 out of 59 patents)

Please report any incorrect information to [email protected]
Loading…