Assignee
METAL LEVE SA
BR·30 granted patents·669 citations·filing 1979–1997
Top patents by PatentIndex Score
30 records- 0190US5144923AMethod for the manufacture of a two piece piston and pistonMETAL LEVE SA·Filed 1991·Granted Sep 8, 1992·84 cites·16 claims
- 0289US5156729AMethod of making a plain bearing sliding layerMETAL LEVE SA·Filed 1989·Granted Oct 20, 1992·48 cites·4 claims
- 0384US5309818AMethod for the manufacture of a cooled pistonMETAL LEVE SA·Filed 1993·Granted May 10, 1994·32 cites·8 claims
- 0484US5150517AMethod of manufacturing a pistonMETAL LEVE SA·Filed 1991·Granted Sep 29, 1992·36 cites·5 claims
- 0581US5056936AMultilayer plain bearingMETAL LEVE SA·Filed 1989·Granted Oct 15, 1991·37 cites·9 claims
- 0676US5317958AHead for a two piece articulated pistonMETAL LEVE SA·Filed 1993·Granted Jun 7, 1994·34 cites·6 claims
- 0775US4406857AAlloy for antifriction bearing layer and process of forming an antifriction layer on steel supporting stripMETAL LEVE SA·Filed 1981·Granted Sep 27, 1983·23 cites·4 claims
- 0874US5359922AHead of two welded parts for two-piece articulated pistonMETAL LEVE SA·Filed 1994·Granted Nov 1, 1994·25 cites·6 claims
- 0971US5628577AWrist pin for a two-piece pistonMETAL LEVE SA·Filed 1994·Granted May 13, 1997·27 cites·13 claims
- 1068US6112715APiston for an internal combustion engineMETAL LEVE SA·Filed 1997·Granted Sep 5, 2000·36 cites·6 claims
- 1167US5230148AMethod for the manufacture of a cooled engine piston headMETAL LEVE SA·Filed 1991·Granted Jul 27, 1993·24 cites·9 claims
- 1267US4735128APistonMETAL LEVE SA·Filed 1986·Granted Apr 5, 1988·26 cites·19 claims
- 1365US4358881AMethod for manufacturing a piston with a separate skirtMETAL LEVE SA·Filed 1979·Granted Nov 16, 1982·18 cites·8 claims
- 1461US5070768AArticulated pistonMETAL LEVE SA·Filed 1989·Granted Dec 10, 1991·22 cites·3 claims
- 1558US5207147AMethod for the manufacture of a piston head having a cooling chamber and piston head obtained from said methodMETAL LEVE SA·Filed 1991·Granted May 4, 1993·16 cites·10 claims
- 1657US5245752AMethod of manufacturing a two piece pistonMETAL LEVE SA·Filed 1991·Granted Sep 21, 1993·20 cites·8 claims
- 1756US5394788AHead for articulated pistonMETAL LEVE SA·Filed 1994·Granted Mar 7, 1995·17 cites·11 claims
- 1855US5000586ASliding bearingMETAL LEVE SA·Filed 1990·Granted Mar 19, 1991·21 cites·6 claims
- 1954US4461585ASleeve bearing composed of halfshells having different eccentricitiesMETAL LEVE SA·Filed 1982·Granted Jul 24, 1984·15 cites·6 claims
- 2053US5560334APiston with a reinforcing insertMETAL LEVE SA·Filed 1993·Granted Oct 1, 1996·16 cites·6 claims
- 2148US5115726ATwo-piece piston assemblyMETAL LEVE SA·Filed 1989·Granted May 26, 1992·10 cites·15 claims
- 2246US5588351AHead for two piece articulated pistonMETAL LEVE SA·Filed 1994·Granted Dec 31, 1996·13 cites·13 claims
- 2346US4365399AManufacture of light weight pistonsMETAL LEVE SA·Filed 1980·Granted Dec 28, 1982·9 cites·9 claims
- 2443US5065508ATwo-piece piston and method of manufacturing the sameMETAL LEVE SA·Filed 1989·Granted Nov 19, 1991·14 cites·9 claims
- 2542US4333775AMethod of producing aluminum alloy compositeMETAL LEVE SA·Filed 1980·Granted Jun 8, 1982·7 cites·7 claims
- 2639US5058488AMeans for preventing the build-up of carbon deposits on pistonsMETAL LEVE SA·Filed 1989·Granted Oct 22, 1991·8 cites·8 claims
- 2737US4267241AMethod of preparing steel-backed antifriction alloy, composite strips and products therefromMETAL LEVE SA·Filed 1979·Granted May 12, 1981·7 cites·8 claims
- 2835US5181785ASleeve bearingMETAL LEVE SA·Filed 1991·Granted Jan 26, 1993·12 cites·10 claims
- 2935US4545913APlain bearingsMETAL LEVE SA·Filed 1983·Granted Oct 8, 1985·8 cites·9 claims
- 3022US5284393ASliding bearingMETAL LEVE SA·Filed 1992·Granted Feb 8, 1994·4 cites·11 claims
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