EM

Erkki Miettinen

AA Abb Technology Ag: 3 patents #1 of 28Top 4%
📍 Helsinki, FI: #10 of 211 inventorsTop 5%
Overall (2005): #24,579 of 245,428Top 15%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6977449 Frequency converter and drive for electric motor — 2005-12-20
6967453 Method and apparatus for controlling fan motor — 2005-11-22
6934169 Method of controlling half-controlled rectifier, and rectifier structure — 2005-08-23