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USPTO Patent Rankings Data through Dec 31, 2025
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Duracell U.S. Operations — 21 Patents in 2021

Rank (2021): #1,765 of 31,441Top 6%
49 inventors
21 Patents 2021

Top Inventors at Duracell U.S. Operations 2021

Showing 1–49 of 49 inventors

RankNamePatents
1 Steven J. Specht 7
2 Cliff Fischer 6
2 Jordan Todorov Bourilkov 6
2 Kathleen Ann Baker 6
2 Michael Lafortezza 6
2 Natalie Denny 6
2 Paul Lafortezza 6
2 Tatiana Jouanneau 6
#9 Scott Stewart 5
#10 George Turco 4
#10 Joern Riemer 4
#10 Robert Pavlinsky 4
#10 Sergio Coronado 4
#10 William Shackford 4
#15 Calvin Giles 2
#15 David Goldfarb 2
#15 Jean Mary Methe 2
#15 Jennifer A. Nelson 2
#15 Konstantin Stefanov 2
#15 Michael Pozin 2
#15 Paul A. Christian 2
#15 Sergio Coronado Hortal 2
#15 William Fitler Morris 2
#24 Alistair Neil Chappelle 1
#24 Alexander Kaplan 1
#24 Alexander Shelekhin 1
#24 Bhupendra K. Patel 1
#24 Brien Merrill 1
#24 Bryan Shova 1
#24 David Anglin 1
#24 David N. Klein 1
#24 Fan Zhang 1
#24 Freddy Arthur Barnabas 1
#24 Fred Berkowitz 1
#24 Francisco Jose Restrepo 1
#24 Haitao Chang 1
#24 Jacqueline Denham 1
#24 Jerome Alexander Martin Dilley 1
#24 Joseph Cerone 1
#24 Junan Kao 1
#24 Kelly Tina Lin 1
#24 Kirakodu S. Nanjundaswamy 1
#24 Mariarosa Brundu 1
#24 Matthew Emmanual Milton Storkey 1
#24 Nikolai N. Issaev 1
#24 Stephen A. Hackney 1
#24 Thomas C. Richards 1
#24 Yang Zhao 1
#24 Yelena Kouznetsova 1