JM

John E. Marhanka

AA Aluminum Company Of America: 3 patents #202 of 1,017Top 20%
AL Alcoa: 1 patents #301 of 632Top 50%
📍 Delmont, PA: #25 of 87 inventorsTop 30%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,275,630 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6203773 Low temperature mineralization of alumina Michael A. Easley, Alan Pearson, Dinesh Moorjani 2001-03-20
5225229 Aluminum hydroxide production Edward S. Martin, Mark L. Weaver, Alan Pearson, Masaki Madono 1993-07-06
5149520 Small sized alpha alumina particles and platelets Steven W. Sucech, Alan Pearson 1992-09-22
4356271 Noncollapsible ceramic foam Thomas Francis, Raymond P. Heilich 1982-10-26