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USPTO Patent Rankings Data through Dec 31, 2025
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Daniel C. Johnson — 42 Patents

BLBell Laboratories: 23 patents #1 of 16Top 7%
OIOms Investments: 11 patents #11 of 173Top 7%
GIGraber Industries: 2 patents #7 of 21Top 35%
SASmiths Medical Asd: 1 patents #166 of 242Top 70%
University of California: 1 patents #8,022 of 18,278Top 45%
ALAlcoa: 1 patents #301 of 632Top 50%
TTThe Toro: 1 patents #307 of 552Top 60%
IMIcu Medical: 1 patents #151 of 209Top 75%
MAMaremont: 1 patents #19 of 61Top 35%
Madison, WI: #54 of 4,527 inventorsTop 2%
Wisconsin: #560 of 40,088 inventorsTop 2%
Overall (All Time): #72,062 of 4,157,543Top 2%
42 Patents All Time
Daniel C. Johnson has been granted 42 US patents while listed as an inventor at Bell Laboratories. The first was granted in 1987 and the most recent in August 2025. Daniel C. Johnson ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Daniel C. Johnson in Madison, WI, US.

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12382946 Retracting tunnel rodent trap James R. Walsh 2025-08-12
12280225 Catheter with threading flash confirmation Eric J. Krause 2025-04-22
12036003 Multimodal biometric device Eliah Aronoff-Spencer, Tom Kalisky, Alex Grant, Steve Saggese 2024-07-16
D956170 Rodent trap James R. Walsh, Paul R. Zeamer 2022-06-28
11260204 Spring retract IV catheter Eric J. Krause, David J. Goral, Jay Breindel, Tye Jensen, Marco Monti 2022-03-01
11252952 Rodent trap having a pivoting platform James R. Walsh, Paul R. Zeamer 2022-02-22
11185066 Retracting tunnel rodent trap James R. Walsh 2021-11-30
11006623 Tray for an internally ballasted rodent bait station James R. Walsh 2021-05-18 $44,991,000
10694736 Tamper-resistant rodent bait station James R. Walsh 2020-06-30
10512259 Retracting tunnel rodent trap James R. Walsh 2019-12-24
D868201 Rodent trap James R. Walsh, Paul R. Zeamer 2019-11-26
10362777 Internal ballastable rodent bait station James R. Walsh 2019-07-30 $40,891,000
D847295 Rodent trap James R. Walsh, Paul R. Zeamer 2019-04-30
9930880 Bait station with package retention James R. Walsh 2018-04-03 $45,914,000
9750186 Walk-behind mower including debris container John O. Hurst, Chris A. Wadzinski, John T. Gill, Lee G. Macklem, Mark W. Schulz +1 more 2017-09-05 $25,428,000
9743658 Internal ballasted rodent bait station James R. Walsh 2017-08-29 $29,293,000
9538741 Internal ballasted rodent bait station James R. Walsh 2017-01-10 $34,589,000
9532564 Tamper-resistant rodent bait station James R. Walsh 2017-01-03
9220256 Retracting tunnel rodent trap James R. Walsh 2015-12-29
8984802 Rebaitable rodent bait station James R. Walsh, Rick Leyerle 2015-03-24
8793929 Internal ballasted rodent bait station James R. Walsh 2014-08-05 $14,266,000
8578649 Weighted base with front wall attachment rodent bait station James R. Walsh 2013-11-12 $16,882,000
8429848 Mole trap James R. Walsh, Paul R. Zeamer 2013-04-30 $31,376,000
8028468 Bait station and detachable bait station base James R. Walsh 2011-10-04 $18,962,000
7458182 Live catch rodent trap — 2008-12-02 $41,681,000

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