Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JK

John Kleeman — 5 Patents

QLQuestionmark Computing Limited: 5 patents #1 of 3Top 35%
London, GB: #1,657 of 11,041 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Kleeman has been granted 5 US patents while listed as an inventor at Questionmark Computing Limited. The first was granted in 2014 and the most recent in January 2019. John Kleeman ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Kleeman in London, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10170013 Assessment instances in computerized assessments Paul Roberts, Eric Shepherd 2019-01-01
9763613 System and method for data anomaly detection process in assessments Eric Shepherd 2017-09-19
9439593 System and method for data anomaly detection process in assessments Eric Shepherd 2016-09-13
9055048 Secure browser Eric Shepherd, Paul Roberts 2015-06-09
8816861 System and method for data anomaly detection process in assessments Eric Shepherd 2014-08-26