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USPTO Patent Rankings Data through Sept 30, 2025
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MS

Marcel Stein

New York, NY: #7,895 of 20,192 inventorsTop 40%
New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,350,439 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4623091 Integrated float and thermostatic steam trap — 1986-11-18
4542879 Valve ring arrangements in metallic valves, control valves, condensate removal devices, and other means for the prevention of leakages due to corrosion — 1985-09-24

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