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USPTO Patent Rankings Data through Sept 30, 2025
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Brian Lewis Cairns — 28 Patents

Google: 25 patents #709 of 22,993Top 4%
Boulder, CO: #186 of 5,018 inventorsTop 4%
Colorado: #1,171 of 40,980 inventorsTop 3%
Overall (All Time): #135,326 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
8555156 Inferring that a message has been read 2013-10-08
7227638 Calibration system and method for calibration of various types of polarimeters Edgar Russell 2007-06-05
7034939 Calibration system and method for calibration of various types of polarimeters Edgar Russell 2006-04-25