MR

Marcel Riendeau

ZA Zehnder Group International Ag: 1 patents #7 of 29Top 25%
Overall (All Time): #1,480,051 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10415900 Heat / enthalpy exchanger element and method for the production 2019-09-17
10041746 Enthalpy exchanger element and method for the production Christian Hirsch, Erhard Krumpholz 2018-08-07
10012450 Heat exchanger element and method for the production 2018-07-03