Assignee
WEBER SPA
IT27 patents
Top patents by PatentIndex Score
US4524742AJun 25, 1985
Carburetor having electronically controlled elements for maintaining engine idling speed at a constant level and for controlling choke-valve position during a warm-up phase
WEBER SPA35 citations90
US4313571AFeb 2, 1982
Electromagnetically actuated injector for internal combustion engine
WEBER SPA27 citations75
US4847771AJul 11, 1989
System for automatic control of the fuel mixture strength supplied in slow running conditions to a heat engine having an electronic fuel injection system
WEBER SPA13 citations72
US4717079AJan 5, 1988
Fuel metering valve for internal combustion engine supply device
WEBER SPA9 citations72
US4546744AOct 15, 1985
Electromechanical and pneumatic device for controlling the throttle position of a carburetor according to engine speed during accelerator release
WEBER SPA13 citations72
US4396358AAug 2, 1983
Electric fuel pump for use in the fuel injection system or a spark-ignition internal combustion engine
WEBER SPA12 citations72
US4831537AMay 16, 1989
System for correction of the fuel injection time, upon variations in altitude, for a heat engine having an electronic injection system
WEBER SPA12 citations71
US4718635AJan 12, 1988
Fuel metering valve for an internal combustion engine feed device
WEBER SPA8 citations71
US4709680ADec 1, 1987
Device for controlling fuel injection apparatus in diesel engines
WEBER SPA8 citations71
US4709674ADec 1, 1987
System for automatically controlling the idling speed of an internal combustion engine
WEBER SPA13 citations71
US4699112AOct 13, 1987
Fuel injection pump for diesel engines
WEBER SPA9 citations71
US4765306AAug 23, 1988
Combustion engine stroke identification system
WEBER SPA13 citations70
US4732122AMar 22, 1988
Starting fuel supply system for an internal combustion engine, comprising an electronic injection system
WEBER SPA12 citations70
US4569321AFeb 11, 1986
Carburetor for internal combustion engines with electronically controlled elements capable of maintaining the idling speed of the engine at a constant level
WEBER SPA12 citations70
US4502436AMar 5, 1985
Carburetor for internal combustion engines with electromagnetic controlled devices for positioning the throttle in two positions with small openings
WEBER SPA15 citations70
US4627596ADec 9, 1986
Electromagnetically-controlled valve, suitable for controlling an additional air flow in a feed equipment for an internal combustion engine
WEBER SPA13 citations69
US4651779AMar 24, 1987
Constant-pressure delivery valve for fuel injection pumps for diesel engines
WEBER SPA17 citations68
US4751905AJun 21, 1988
Device for supplying a mixture of fuel and air to a manifold of an internal combustion engine
WEBER SPA11 citations66
US4351782ASep 28, 1982
Cold-engine starting and operating devices for carburetors
WEBER SPA14 citations66
US4736722AApr 12, 1988
System for automatically defining the minimum setting of an accelerator-controlled valve for supplying an internal combustion engine
WEBER SPA5 citations61
US4721086AJan 26, 1988
System for controlling fuel injectors to open asynchronously with respect to the phases of a heat engine
WEBER SPA6 citations61
US4756288AJul 12, 1988
Fuel metering and pressure regulation device for a manifold of an internal combustion engine
WEBER SPA2 citations60
US4736719AApr 12, 1988
System for limiting the maximum speed of an internal combustion engine comprising an electronic injection system
WEBER SPA5 citations60
US4498439AFeb 12, 1985
Carburetor fitted with electromagnetic devices for intercepting the flow of fuel during accelerator release
WEBER SPA2 citations50
US4383952AMay 17, 1983
Carburetor
WEBER SPA3 citations48
US4372896AFeb 8, 1983
Device adapted to correct the air-fuel ratio of the mixture delivered by a carburetor during the periods of operation at low loads of a motor vehicle engine
WEBER SPA1 citations41
US4461252AJul 24, 1984
Carburetor fitted with a device for feeding the engine with lean mixture during accelerator release
WEBER SPA1 citations36