DZ

Donald N. Zimmer

LI Lennox Industries: 6 patents #87 of 340Top 30%
📍 Marshalltown, IA: #69 of 271 inventorsTop 30%
🗺 Iowa: #2,628 of 15,303 inventorsTop 20%
Overall (All Time): #838,067 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10518367 Heat exchanger having an interference rib 2019-12-31
9908205 Heat exchanger expanded overlap joint Floyd E. Cherington, Randy D. Smith 2018-03-06
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
7794312 Enclosure cover and method for making an enclosure cover John Tran 2010-09-14
5690470 Blower housing and apparatus for assembly thereof 1997-11-25