Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James M. Stuart — 6 Patents

MSMalvern Scale: 5 patents #1 of 1Top 100%
Malvern, PA: #127 of 529 inventorsTop 25%
Pennsylvania: #13,718 of 74,527 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
James M. Stuart has been granted 6 US patents while listed as an inventor at Malvern Scale. The first was granted in 1983 and the most recent in March 1987. James M. Stuart ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list James M. Stuart in Malvern, PA, US.

Patents per Year

Patents granted per year, 1983 to 1987Bar chart with a peak of 4 patents in 1985.peak 41983: 1 patents19831985: 4 patents19851987: 1 patents1987

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4646859 Scale 1987-03-03
4561511 Torsion load cell 1985-12-31
4544043 Electronic scale with counterbalance 1985-10-01
4524840 Electronic scale with non-parallel capacitance means 1985-06-25
4519464 Weighing scale with adjustable suspension and thermal compensation 1985-05-28
4372405 Weight, volume or density measuring system 1983-02-08