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USPTO Patent Rankings Data through Dec 31, 2025
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Charles B. Winfield — 4 Patents

QSQuantum Technical Services: 3 patents #2 of 5Top 40%
EUEcolab Usa: 1 patents #1,275 of 1,826Top 70%
Muldoon, TX: #1 of 2 inventorsTop 50%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Charles B. Winfield has been granted 4 US patents while listed as an inventor at Quantum Technical Services. The first was granted in 2012 and the most recent in September 2025. Charles B. Winfield ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Charles B. Winfield in Muldoon, TX, US.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 1 patents in 2012.peak 12012: 1 patents20122013: 1 patents20132014: 1 patents20142025: 1 patents2025

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12416588 Separation column inspection using off axis gamma scanning Daryl Hanson 2025-09-16
8785877 Method for monitoring fouling in a cooling tower Stephen N. Harris, Lance Freeman 2014-07-22
8362440 Method for monitoring fouling in a cooling tower Stephen N. Harris, Lance Freeman 2013-01-29
8129692 Method for monitoring fouling in a cooling tower Lance Freeman, Stephen N. Harris 2012-03-06

Frequent Collaborators

Stephen N. Harris3 shared
Lance Freeman3 shared
Daryl Hanson1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4