JN

John D. Nauman

AL Allegheny Ludlum: 4 patents #9 of 96Top 10%
AS Allegheny Ludlum Steel: 2 patents #15 of 55Top 30%
📍 Lower Burrell, PA: #63 of 383 inventorsTop 20%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #889,184 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5484009 Method and apparatus for direct casting of continuous metal strip David B. Love, Karl Schwaha 1996-01-16
5293926 Method and apparatus for direct casting of continuous metal strip David B. Love, Karl Schwaha 1994-03-15
4715428 Method and apparatus for direct casting of crystalline strip by radiant cooling Robert H. Johns 1987-12-29
4678719 Method and apparatus for continuous casting of crystalline strip Robert H. Johns 1987-07-07
4477279 Annular tuyere and method 1984-10-16
4462824 Annular tuyere 1984-07-31