Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert W. Sweetser — 3 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
South Burlington, VT: #472 of 1,136 inventorsTop 45%
Vermont: #1,715 of 4,968 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert W. Sweetser has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1986 and the most recent in December 1993. Robert W. Sweetser ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert W. Sweetser in South Burlington, VT, US.

Patents per Year

Patents granted per year, 1986 to 1993Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861989: 1 patents19891993: 1 patents1993

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5271236 Integral ambient air and refrigeration energy savings system 1993-12-21
4838991 Process for defining organic sidewall structures William J. Cote, Donald M. Kenney, Michael L. Kerbaugh, Michael A. Leach, Jeffrey A. Robinson 1989-06-13 $22,630,000
4632724 Visibility enhancement of first order alignment marks Donald G. Chesebro 1986-12-30 $13,944,000