CH

Chang-Li Hsieh

KC Koch Engineering Company: 3 patents #2 of 10Top 20%
📍 Billerica, MA: #1 of 28 inventorsTop 4%
🗺 Massachusetts: #213 of 4,501 inventorsTop 5%
Overall (1997): #17,600 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5632933 Method and apparatus using guide vanes for vapor distribution in mass transfer and heat exchange columns Neil Yeoman, Andrew M. Marcinkowski, O. Jeffrey Berven 1997-05-27
5632935 Vapor-liquid contact tray and downcomer assembly and method employing same Neil Yeoman, Verne E. Griffith 1997-05-27
5605654 Method and apparatus to improve vapor distribution in mass transfer and heat exchange columns Neil Yeoman, O. Jeffrey Berven 1997-02-25