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PI
Ppg Industries
Rank (All Time):
#399
of 106,127
Top 1%
1,216 inventors
2,146
Patents All Time
Top Inventors at Ppg Industries
All Time
Showing 51–100 of 1,216 inventors
Rank
Name
Patents
#47
John F. Krumwiede
15
#47
Joseph T. Valko
15
#47
Thomas G. Krivak
15
#54
James J. Finley
14
#54
John C. Crano
14
#54
Joseph M. Matesa
14
#54
John R. Peffer
14
#54
Kurt G. Olson
14
#54
Larry J. Shelestak
14
#60
Frank H. Gillery
13
#60
Herbert W. Barch
13
#60
James L. Valimont
13
#60
Joseph F. Bosso
13
#60
John F. Grunewalder
13
#60
Joseph M. Makhlouf
13
#60
Jonathan T. Martz
13
#60
Padmanabhan Sundararaman
13
#60
Robert R. Zwack
13
#60
William J. Birkmeyer
13
#70
Charles F. Kahle, II
12
#70
Charles R. Wiedrich
12
#70
Cletus N. Welch
12
#70
Dennis S. Postupack
12
#70
Edward E. McEntire
12
#70
Ernest L. Lawton
12
#70
George A. Pecoraro
12
#70
Gordon F. Pereman
12
#70
John D. Kellar
12
#70
Roger A. Crawford
12
#70
Robert B. Heithoff
12
#70
Stephen J. Schultz
12
#70
Walter J. Reese
12
#70
William B. Darlington
12
#84
Dennis D. Leatherman
11
#84
Henry M. Demarest, Jr.
11
#84
J. Alden Erikson
11
#84
Joseph D. Kelly
11
#84
Marvin L. Kaufman
11
#84
Michael A. Mayo
11
#84
Paul J. Prucnal
11
#84
Peter C. Gaa
11
#84
Richard A. Schwarz
11
#84
Robert M. Hunia
11
#84
Soner Kilic
11
#84
William W. Carlin
11
#96
Charles R. Coleman
10
#96
Charles B. Greenberg
10
#96
George A. Neuman
10
#96
James E. Neely, Jr.
10
#96
James E. Poole
10
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