Inventor · disambiguated record
Keijo Rauhala
Also filed as: RAUHALA KEIJO
1 granted patent·1 pending application·8 citations·filing 2001–2004
30Inventor score
Files withHYDROCELL LTD OY1
Top patents by PatentIndex Score
2 records- 0141US7601189B2Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelterHYDROCELL LTD OY·Filed 2004·Granted Oct 13, 2009·8 cites·24 claims
- 0230US2002053422A1Heat exchangerFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keijo Rauhala files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →