SH

Stephen A. Hamstra

📍 Zeeland, MI: #86 of 350 inventorsTop 25%
🗺 Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #939,049 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11543164 Super-hybrid heat pump system and method Stephen K. Melink, Roshan Revankar 2023-01-03
11092353 System for optimization of building heating and cooling systems 2021-08-17
10387581 System for optimization of building heating and cooling systems 2019-08-20
10180268 Energy chassis and energy exchange device W. Michael Linn 2019-01-15
9080789 Energy chassis and energy exchange device W. Michael Linn 2015-07-14