HE

Holger Engdahl

AO Ahlstrom Machinery Oy: 2 patents #1 of 13Top 8%
📍 Savonlinna, FI: #1 of 6 inventorsTop 20%
Overall (1997): #37,804 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5620596 Falling film cross filtration apparatus Pekka Tormikoski 1997-04-15
5618443 Clarification of green liquor by falling film cross-flow filtration Pekka Tormikoski 1997-04-08