Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Donald E. Williamson — 9 Patents

HPHill Phoenix: 4 patents #19 of 94Top 25%
HSHill-Rom Services: 2 patents #488 of 861Top 60%
HIHill-Rom: 1 patents #141 of 254Top 60%
SSSsi Medical Services: 1 patents #28 of 41Top 70%
POPolaroid: 1 patents #756 of 902Top 85%
Conyers, GA: #40 of 307 inventorsTop 15%
Georgia: #3,864 of 35,610 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Donald E. Williamson has been granted 9 US patents while listed as an inventor at Hill Phoenix. The first was granted in 1996 and the most recent in July 2022. Donald E. Williamson ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Donald E. Williamson in Conyers, GA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D958129 Twin dual port network device Michael R. Hines 2022-07-19
D943563 Single dual port network device Michael R. Hines 2022-02-15
10641540 Anti-condensing control panel with intergral overcurrent protection devices 2020-05-05
10421656 Electrical control panel for fueling components 2019-09-24
6820640 Vibratory patient support system Barry D. Hand, Robert C. Novack, James R. Stolpmann, Kenith W. Chambers 2004-11-23 $6,394,000
6415814 Vibratory patient support system Barry D. Hand, Robert C. Novack, James R. Stolpmann, Kenith W. Chambers 2002-07-09 $20,454,000
6098222 Vibratory patient support system Barry D. Hand, Robert C. Novack, James R. Stolpmann, Kenith W. Chambers 2000-08-08 $22,162,000
5606754 Vibratory patient support system Barry D. Hand, Robert C. Novack, James R. Stolpmann, Kenith W. Chambers 1997-03-04 $15,103,000
5526067 Actuation mechanism for variable focal length eyeglasses David Cronin 1996-06-11 $7,435,000