Inventor · disambiguated record
Martti Karppinen
Also filed as: KARPPINEN MARTTI
3 granted patents·1 pending application·170 citations·filing 1979–2001
77Inventor score
Top patents by PatentIndex Score
4 records- 0185US6166393AMethod and apparatus for automatic inspection of moving surfacesFRAUNHOFER GES FORSCHUNG·Filed 1998·Granted Dec 26, 2000·91 cites·22 claims
- 0285USD287403SPulse receiverPOLAR ELECTRO KY·Filed 1984·Granted Dec 23, 1986·26 cites·1 claims
- 0385US4304995AMethod and apparatus for measuring the wall thickness in a plastic articleKOLSTER AB OY·Filed 1979·Granted Dec 8, 1981·53 cites·5 claims
- 0437US2001015414A1Method and arrangement for inspection of surfacesFiled 2001·Application pending·0 cites
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