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

John Lafferty — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Pittsburgh, PA: #3,222 of 7,570 inventorsTop 45%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John Lafferty has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2001 and the most recent in January 2005. John Lafferty ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Lafferty in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6847203 Applying parametric test patterns for high pin count ASICs on low pin count testers Dennis R. Conti 2005-01-25 $10,247,000
6304841 Automatic construction of conditional exponential models from elementary features Adam L. Berger, Peter F. Brown, Stephen Andrew Della Pietra, Vincent J. Della Pietra, Robert L. Mercer 2001-10-16 $28,845,000