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USPTO Patent Rankings Data through Dec 31, 2025
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Andre Perras — 5 Patents

GLGuildline Instruments Limited: 3 patents #4 of 7Top 60%
Perth, CA: #5 of 27 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Andre Perras has been granted 5 US patents while listed as an inventor at Guildline Instruments Limited. The first was granted in 2012 and the most recent in August 2020. Andre Perras ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Andre Perras in Perth, ON, CA.

Patents per Year

Patents granted per year, 2012 to 2020Bar chart with a peak of 2 patents in 2012.peak 22012: 2 patents20122015: 1 patents20152019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10746837 Methods and devices for high stability precision voltage dividers Richard Timmons, Mark Evans, Tomasz Barczyk 2020-08-18
10353045 Methods and devices for high stability precision voltage dividers Richard Timmons, Mark Evans, Tomasz Barczyk 2019-07-16
9069022 High current precision resistance measurement system Mark Evans 2015-06-30
8111060 Precision AC current measurement shunts — 2012-02-07
8106669 High current precision resistance measurement system Mark Evans 2012-01-31

Frequent Collaborators

Mark Evans4 shared
Tomasz Barczyk2 shared
Richard Timmons2 shared

Nearby-Ranked Inventors

Joseph L. Mann5
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Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5