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Pingping Ma

Air Products And Chemicals: 1 patents #30 of 134Top 25%
📍 Beijing, PA: #5 of 13 inventorsTop 40%
Overall (2005): #121,277 of 245,428Top 50%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6901941 Vessel with optimized purge gas flow and method using same Vladimir Yliy Gershtein, Steven W. Hoffman, Christopher R. Butler, John Frederick Cirucci 2005-06-07