RH

Risto J. A. Helke

OA Oy Tampella Ab: 2 patents #29 of 124Top 25%
📍 Tampere, FI: #805 of 2,125 inventorsTop 40%
Overall (All Time): #2,314,535 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4994158 Method for analyzing a gas mixture Jorma Kiimalainen 1991-02-19
4586390 Nozzle for the continuous separation of a representative sample from a dust-bearing gas for its analysis 1986-05-06