Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas M. Armstead — 6 Patents

IBM: 6 patents #16,491 of 70,183Top 25%
Rochester, MN: #842 of 3,042 inventorsTop 30%
Minnesota: #11,902 of 52,454 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Thomas M. Armstead has been granted 6 US patents while listed as an inventor at IBM. The first was granted in 2008 and the most recent in March 2017. Thomas M. Armstead ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Thomas M. Armstead in Rochester, MN, US.

Patents per Year

Patents granted per year, 2008 to 2017Bar chart with a peak of 2 patents in 2008.peak 22008: 2 patents20082009: 1 patents20092010: 1 patents20102017: 2 patents2017

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9606950 Verifying runtime switch-over between multiple I/O protocols on shared I/O connection John H. Klaus, Paul E. Schardt, Scott M. Willenborg 2017-03-28 $2,520,000
9600432 Verifying runtime switch-over between multiple I/O protocols on shared I/O connection John H. Klaus, Paul E. Schardt, Scott M. Willenborg 2017-03-21 $2,195,000
7747414 Run-Time performance verification system Lance R. Meyer, Paul E. Schardt, Robert A. Shearer 2010-06-29 $6,113,000
7533011 Simulating and verifying signal glitching Gregory Albert Dancker, Paul E. Schardt 2009-05-12 $9,410,000
7428483 Method and apparatus to simulate and verify signal glitching Gregory Albert Dancker, Paul E. Schardt 2008-09-23 $21,387,000
7324922 Run-time performance verification system Lance R. Meyer, Paul E. Schardt, Robert A. Shearer 2008-01-29 $11,919,000