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Duraid Mahrus
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Sao Paulo, BR
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Patents Grants
last 30 patents
Information
Patent Grant
Method of making a plain bearing sliding layer
Patent number
5,156,729
Issue date
Oct 20, 1992
Metal Leve, S.A.
Duraid Mahrus
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Multilayer plain bearing
Patent number
5,056,936
Issue date
Oct 15, 1991
Metal Leve S. A. Industria E Comercio
Duraid Mahrus
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Piston
Patent number
4,735,128
Issue date
Apr 5, 1988
Metal Leve S/A Industria e Comercio
Duraid Mahrus
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for the manufacture of piston ring inserts by a powder metal...
Patent number
4,547,336
Issue date
Oct 15, 1985
Meal Leve S.A. Industria e Comercio
Duraid Mahrus
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Plain bearings
Patent number
4,545,913
Issue date
Oct 8, 1985
Metal Leve S.A. Industria e Comercio
Duraid Mahrus
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sleeve bearing composed of halfshells having different eccentricities
Patent number
4,461,585
Issue date
Jul 24, 1984
Metal Leve S.A.
Duraid Mahrus
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Alloy for antifriction bearing layer and process of forming an anti...
Patent number
4,406,857
Issue date
Sep 27, 1983
Metal Leve S.A. Industria e Comercio
Duraid Mahrus
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Manufacture of light weight pistons
Patent number
4,365,399
Issue date
Dec 28, 1982
Metal Leve S.A. Industria e Comercio
Duraid Mahrus
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing a piston with a separate skirt
Patent number
4,358,881
Issue date
Nov 16, 1982
Metal Leve S/A Industria e Comercio
Duraid Mahrus
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of producing aluminum alloy composite
Patent number
4,333,775
Issue date
Jun 8, 1982
Metal Leve S.A. Industria e Comercio
Duraid Mahrus
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of preparing steel-backed antifriction alloy, composite stri...
Patent number
4,267,241
Issue date
May 12, 1981
Metal Leve S.A. Industria e Comercio
Duraid Mahrus
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...