Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MS

Malcolm B. Sturgis

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Chesterfield, MO: #905 of 6,461 inventorsTop 15%
Missouri: #3,070 of 23,789 inventorsTop 15%
Overall (All Time): #766,039 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
RE34939 Connector with a safety shut-off feature 1995-05-16
5172723 Quick-connect coupling 1992-12-22
5156180 Connector with a safety shut-off feature 1992-10-20
5131425 Gas pressure regulator with check valve 1992-07-21
4974623 Heat-sensitive cut-off for gas conduits and the like, and method of manufacture 1990-12-04
4727903 Fluid shutoff valve Richard E. Hoffman 1988-03-01
4290440 Quick disconnect coupling with a heat-sensitive cutoff feature 1981-09-22