FM

Frank P. Merkle

ME Merkle Engineers: 7 patents #1 of 11Top 10%
📍 Hanover, IL: #1 of 6 inventorsTop 20%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #763,237 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5899151 Industrial furnace roof assembly and components thereof Howard R. Serlin, executor 1999-05-04
5542804 Modular solids charger Larry L. Horn, Barry R. James, William L. Merkle 1996-08-06
5357540 High temperature industrial furnace roof structure Larry L. Horn, Barry R. James 1994-10-18
5158412 Solids charger 1992-10-27
4864945 Curved nose refractory construction 1989-09-12
4475470 Suspended roof construction for industrial furnaces 1984-10-09
4424756 Suspended roof construction for industrial furnaces 1984-01-10