RL

Roger D. Luebke

HA Harnischfeger: 8 patents #2 of 121Top 2%
📍 Brown Deer, WI: #13 of 118 inventorsTop 15%
🗺 Wisconsin: #6,037 of 40,088 inventorsTop 20%
Overall (All Time): #667,668 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5730855 Hoist apparatus and method for positioning anode in smelting furnace Randy H. Khoury 1998-03-24
5549799 Hoist apparatus for positioning anode in smelting furnace Randy H. Khoury 1996-08-27
5513723 Double-masted crane with improved brake arrangement 1996-05-07
5513760 Stacker crane with improved brake mechanism 1996-05-07
5489033 Low headroom stacker crane 1996-02-06
5456567 Floor-running stacker crane and method for carrying hot metal 1995-10-10
5400910 Stabilizing mechanism for overhead crane hoist 1995-03-28
4538954 Stacker crane having narrow mast structure 1985-09-03