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

Keith E. Karlsson — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Raleigh, NC: #2,363 of 6,378 inventorsTop 40%
North Carolina: #14,708 of 45,564 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Keith E. Karlsson has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1994 and the most recent in October 2004. Keith E. Karlsson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Keith E. Karlsson in Raleigh, NC, US.

Patents per Year

Patents granted per year, 1994 to 2004Bar chart with a peak of 1 patents in 1994.peak 11994: 1 patents19941995: 1 patents19952004: 1 patents2004

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6807149 Method and system for LEC resiliency with fast failover Cedell Adam Alexander, Jr. 2004-10-19 $7,667,000
5436914 Control of non-resettable counters by multiple processes Kurt E. Augustine, Chih-Wei Chao, Arthur A. Daniel, Jacalyn L. Frantz, David N. Jacobson +4 more 1995-07-25 $11,735,000
5317692 Method and apparatus for buffer chaining in a communications controller James L. Ashton 1994-05-31 $5,696,000