NL

Noel F. Lutgen

LL L'Air Liquide: 3 patents #1 of 128Top 1%
LA Liquid Air: 2 patents #3 of 40Top 8%
📍 Downers Grove, IL: #201 of 824 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,299,286 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4990183 Process for producing steel having a low content of nitrogen in a ladle furnace Sara H. Anderson, Jean Foulard 1991-02-05
4848751 Lance for discharging liquid nitrogen or liquid argon into a furnace throughout the production of molten metal Sara Hornby-Anderson 1989-07-18
4806156 Process for the production of a bath of molten metal or alloys Sara H. Anderson 1989-02-21
4723997 Method and apparatus for shielding a stream of liquid metal 1988-02-09