JL

Jill L. Ludwigsen

CI Chicago Bridge & Iron: 2 patents #25 of 129Top 20%
📍 Naperville, IL: #1,350 of 3,051 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,348,691 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4596120 Apparatus and method for cold aqueous liquid and/or ice production, storage and use for cooling and refrigeration Bryan D. Knodel, John S. Ludwigsen, Terry A. Gallagher 1986-06-24
4509344 Apparatus and method of cooling using stored ice slurry John S. Ludwigsen, Terry A. Gallagher 1985-04-09