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

Sierra Spring — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Rochester, MN: #1,303 of 3,042 inventorsTop 45%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Sierra Spring has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 2020 and the most recent in January 2025. Sierra Spring ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Sierra Spring in Rochester, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12188964 Spur detection in a sampled waveform in a mixed analog/digital system using the magnitude of the frequency response Timothy J. Lindquist, Paul Eric Dahlen, George Russell Zettles, IV, Layne A. Berge, Kent Harold Haselhorst +1 more 2025-01-07
11381634 TFTP (trivial file transfer protocol) broadcast controller Kent Harold Haselhorst, Paul E. Schardt, George Russell Zettles, IV 2022-07-05 $7,280,000
10743142 Constructing a map of a physical space James P. O'Connor, Douglas A. Smalley, Marie Cole, Brian R. Prasky 2020-08-11 $2,122,000