Skip to content
Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Universities
Inventors
Cities
States
Technologies
Top Patents
Inventor 500
Select ranking year
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Home
›
Companies
›
Bell Laboratories
BL
Bell Laboratories
— 36 Patents
Rank
(All Time):
#17,142
of
105,732
Top 20%
16
inventors
36
Patents All Time
Patents per Year
Patents granted per year, 1981 to 2025
Bar chart with a peak of 6 patents in 2002.
peak 6
1981: 2 patents
1981
1991: 2 patents
1994: 1 patents
1995: 1 patents
1995
1996: 1 patents
1999: 2 patents
2000: 1 patents
2000
2001: 1 patents
2002: 6 patents
2003: 2 patents
2003
2004: 1 patents
2008: 1 patents
2009: 1 patents
2009
2011: 1 patents
2013: 2 patents
2014: 1 patents
2014
2015: 1 patents
2017: 2 patents
2018: 1 patents
2018
2019: 1 patents
2021: 2 patents
2022: 1 patents
2022
2024: 1 patents
2025: 1 patents
2025
Top Inventors at Bell Laboratories
All Time
Showing
1–16
of
16
inventors
Rank
Name
Patents
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
Most Valuable Patents
Patent
Est. Value
Year
Remote sensing rodent bait station tray
$391M
2021
Remote sensing repeating rodent trap
$123M
2024
Bait station with package retention
$46M
2018
Tray for an internally ballasted rodent bait station
$45M
2021
Live catch rodent trap
$42M
2008
All 100 most valuable US patents →
Related Companies
Sogang University Research & Business Development Foundation
36
B & B Metals
36
Cosmogen Sas
36
Royal Caribbean Cruises
36
Ensign-Bickford Aerospace & Defense
36
Monoflo International
36
Korea Photonics Technology Institute
36
Bolb
36
Subsea 7 Norway As
36