Inventor · disambiguated record
Kaarlo Martikainen
Also filed as: MARTIKAINEN KAARLO
9 granted patents·174 citations·filing 1975–2007
89Inventor score
Top patents by PatentIndex Score
9 records- 0179US4686843ACylinderlock-key-combinationWAERTSILAE OY AB·Filed 1986·Granted Aug 18, 1987·40 cites·19 claims
- 0277US4267717ADisc cylinder lockWAERTSILAE OY AB·Filed 1979·Granted May 19, 1981·27 cites·6 claims
- 0372US4127996AKey profile systemWAERTSILAE OY AB·Filed 1977·Granted Dec 5, 1978·24 cites·8 claims
- 0471US4351172ACylinder lock mechanismWARTISILA AB OY·Filed 1980·Granted Sep 28, 1982·28 cites·22 claims
- 0567US8689595B2Key and disc tumbler cylinder lockMARTIKAINEN KAARLO·Filed 2007·Granted Apr 8, 2014·7 cites·21 claims
- 0653US5205143ACylinder lockABLOY SECURITY LTD OY·Filed 1991·Granted Apr 27, 1993·26 cites·21 claims
- 0744US4317347ACylinder lockWAERTSILAE OY AB·Filed 1979·Granted Mar 2, 1982·10 cites·8 claims
- 0841US4637240ACylinder lockWAERTSILAE OY AB·Filed 1985·Granted Jan 20, 1987·8 cites·11 claims
- 0933US3948065ACylinder lockWAERTSILAE OY AB·Filed 1975·Granted Apr 6, 1976·4 cites·4 claims
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