Inventor · disambiguated record
Risto Castren
Also filed as: CASTREN RISTO
5 granted patents·31 citations·filing 1995–2009
74Inventor score
Top patents by PatentIndex Score
5 records- 0163US5669261AApparatus for bending a heat-exchanger tubeRETERMIA OY·Filed 1995·Granted Sep 23, 1997·19 cites·21 claims
- 0257US8132326B2Method 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 mandrelCASTREN RISTO·Filed 2008·Granted Mar 13, 2012·1 cites·13 claims
- 0349US8096144B2Supply air terminal unitCASTREN MARKUS·Filed 2008·Granted Jan 17, 2012·1 cites·11 claims
- 0436US8512113B2Air conditioning deviceCASTREN MARKUS·Filed 2009·Granted Aug 20, 2013·0 cites·11 claims
- 0534US5781987AApparatus for manufacturing a needle-rib heat-exchanger constructionRETERMIA OY·Filed 1995·Granted Jul 21, 1998·10 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →