DZ

Donald N. Zimmer

LI Lennox Industries: 2 patents #21 of 78Top 30%
📍 Marshalltown, IA: #5 of 45 inventorsTop 15%
🗺 Iowa: #245 of 1,748 inventorsTop 15%
Overall (2017): #156,616 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9770792 Heat exchanger having an interference rib 2017-09-26
9714775 HVAC systems and methods with improved heat exchangers Kirankumar A. Muley, Kapil Das Sahu, Glenn W. Kowald, Ajay Chidambaram Pillai Swornalatha, Ian Burmania +1 more 2017-07-25