Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen A. Thompson — 5 Patents

ELElectrovert: 4 patents #7 of 30Top 25%
GLGlaxo Group Limited: 1 patents #753 of 1,368Top 60%
Buckingham, CA: #20 of 102 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Stephen A. Thompson has been granted 5 US patents while listed as an inventor at Electrovert. The first was granted in 1991 and the most recent in February 1993. Stephen A. Thompson ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stephen A. Thompson in Buckingham, QC, CA.

Patents per Year

Patents granted per year, 1991 to 1993Bar chart with a peak of 2 patents in 1992.peak 21991: 1 patents19911992: 2 patents19921993: 2 patents1993

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5187305 S-nitroso-N-alkonoylpenicillamines Joel E. Shaffer 1993-02-16 $26,895,000
5181551 Double acting cylinder for filling dies with molten metal Thomas F. Kidd 1993-01-26
5125450 Method of and system for controlling flow of molten liquid to cast metal alloys Thomas F. Kidd 1992-06-30
5109914 Injection nozzle for casting metal alloys with low melting temperatures Thomas F. Kidd, Guiseppe Paduano 1992-05-05
4991641 Method of and apparatus for metal casting Thomas F. Kidd 1991-02-12