DK

David L. Koesterer

NO Nordyne: 2 patents #7 of 24Top 30%
NH Nortek Global Hvac: 2 patents #2 of 11Top 20%
Overall (All Time): #1,203,647 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9328946 Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps Jie Chen, Allan J. Reifel, Siegfried J. Weigl 2016-05-03
9121628 Heat pumps with unequal cooling and heating capacities for climates where demand for cooling and heating are unequal, and method of adapting and distributing such heat pumps Jie Chen, Allan J. Reifel, Siegfried J. Weigl 2015-09-01
8869545 Defrosting a heat exchanger in a heat pump by diverting warm refrigerant to an exhaust header Jie Chen, Jacob Joseph Rede, Craig A. Thomas 2014-10-28
7784296 System and method for controlling an air conditioner or heat pump Yi Chen, Jie Chen, Allan J. Reifel 2010-08-31