RC

Risto Castren

RO Retermia Oy: 5 patents #1 of 2Top 50%
📍 Lahti, FI: #11 of 197 inventorsTop 6%
Overall (All Time): #1,014,745 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8512113 Air conditioning device Markus Castrén 2013-08-20
8132326 Method and apparatus for forming a finned heat exchanger tube that includes an internal fin structure that is a spring formed from a spiral wire wound around a mandrel 2012-03-13
8096144 Supply air terminal unit Markus Castrén 2012-01-17
5781987 Apparatus for manufacturing a needle-rib heat-exchanger construction 1998-07-21
5669261 Apparatus for bending a heat-exchanger tube 1997-09-23