Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BL

Bell Laboratories — 36 Patents

Rank (All Time): #17,142 of 105,732Top 20%
16 inventors
36 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2025Bar chart with a peak of 6 patents in 2002.peak 61981: 2 patents19811991: 2 patents1994: 1 patents1995: 1 patents19951996: 1 patents1999: 2 patents2000: 1 patents20002001: 1 patents2002: 6 patents2003: 2 patents20032004: 1 patents2008: 1 patents2009: 1 patents20092011: 1 patents2013: 2 patents2014: 1 patents20142015: 1 patents2017: 2 patents2018: 1 patents20182019: 1 patents2021: 2 patents2022: 1 patents20222024: 1 patents2025: 1 patents2025

Top Inventors at Bell Laboratories All Time

Showing 1–16 of 16 inventors

RankNamePatents
1 Daniel C. Johnson 23
2 James R. Walsh 21
3 Scott Collins 6
#4 Patrick J. Lynch 4
#4 Rick Leyerle 4
#6 Malcolm G. Stack 3
#6 Richard L. Leyerle 3
#8 Cisse W. Spragins 2
#8 L. Dawn Brown 2
#8 Paul R. Zeamer 2
#8 Richard J. Ray 2
#12 John R. Schwerin 1
#12 Corrado Dragone 1
#12 Michael J. Gans 1
#12 Richard E. Wagner 1
#12 Scott D. Denny 1

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