Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Jeffrey D. Schaefer — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Danbury, CT: #402 of 826 inventorsTop 50%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Jeffrey D. Schaefer has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2016 and the most recent in May 2019. Jeffrey D. Schaefer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jeffrey D. Schaefer in Danbury, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10303864 Continuous user authentication tool for mobile device communications William H. Blake, Gregory J. Boss, Rhonda L. Childress, William A. Lemke, Kevin C. McConnell 2019-05-28 $2,255,000
9392460 Continuous user authentication tool for mobile device communications William H. Blake, Gregory J. Boss, Rhonda L. Childress, William A. Lemke, Kevin C. McConnell 2016-07-12 $3,552,000