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USPTO Patent Rankings Data through Dec 31, 2025
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William C. Weeman — 5 Patents

KIKeithley Instruments: 5 patents #10 of 82Top 15%
Aurora, OH: #77 of 285 inventorsTop 30%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
William C. Weeman has been granted 5 US patents while listed as an inventor at Keithley Instruments. The first was granted in 2019 and the most recent in July 2025. William C. Weeman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list William C. Weeman in Aurora, OH, US.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 2 patents in 2025.peak 22019: 1 patents20192023: 1 patents20232024: 1 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12363853 Direct instrument-to-instrument communication without using a system controller Gregory N. Roberts 2025-07-15
12241939 Estimation of unknown electronic load — 2025-03-04
11971434 Power source with error detection — 2024-04-30
11768248 Estimation of unknown electronic load — 2023-09-26
10484002 High-speed high-resolution digital-to-analog converter Gregory N. Roberts 2019-11-19

Frequent Collaborators

Gregory N. Roberts2 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5