Patent assignee · IT · COMPANY

Centro Ricerche Fiat S.p.A.

70Patents
0Active
70Granted
39Portfolio score

Filing activity: Jan 3, 1979 → Jul 14, 1983

Most-cited patents

PatentTitleAreaCited byStatus
US4468984A Epicyclic transmission Mechanical Engineering; Lighting; Heating 122 Expired
US4218494A Process for coating a metallic surface with a wear-resistant material Emerging Cross-Sectional Technologies 78 Expired
US4215545A Hydraulic system for transmitting power from an internal combustion engine to the wheels of a motor vehicle Emerging Cross-Sectional Technologies 54 Expired
US4203503A Exhaust silencer for a railway locomotive Mechanical Engineering; Lighting; Heating 51 Expired
US4209076A Exhaust silencer for an agricultural tractor Mechanical Engineering; Lighting; Heating 50 Expired
US4330047A Sound-attenuating ventilation Emerging Cross-Sectional Technologies 45 Expired
US4253542A Exhaust silencer for earth moving machines Mechanical Engineering; Lighting; Heating 35 Expired
US4331829A Thermophotovoltaic converter Emerging Cross-Sectional Technologies 32 Expired
US4369663A Transducer with six degrees of freedom Physics 32 Expired
US4290698A Apparatus for testing surface roughness Physics 30 Expired
US4294893A Graphite-resin composite electrode structure, and a process for its manufacture Emerging Cross-Sectional Technologies 26 Expired
US4361407A Stationary mixer device arranged to homogeneously mix two or more components in liquid or semiliquid state Mechanical Engineering; Lighting; Heating 24 Expired
US4280853A Solar energy conversion unit Emerging Cross-Sectional Technologies 23 Expired
US4275918A Resilient suspension for the cab of an agricultural tractor Emerging Cross-Sectional Technologies 21 Expired
US4368777A Gas-liquid heat exchanger Mechanical Engineering; Lighting; Heating 21 Expired
US4441976A Device for electrolytic surface treatment of mechanical workpieces Mechanical Engineering; Lighting; Heating 21 Expired
US4475406A Ultrasonic device for the measurement of the delivery of a fluid in a _conduit Mechanical Engineering; Lighting; Heating 20 Expired
US4254987A Support structure for a motor bus Performing Operations; Transporting 20 Expired
US4370562A Electric power distribution system Emerging Cross-Sectional Technologies 18 Expired
US4448527A Method and apparatus for detecting surface defects in mechanical workpieces Physics 18 Expired
US4318377A Internal combustion engine with fuel injection Emerging Cross-Sectional Technologies 18 Expired
US4277376A Process for the manufacture of a monolithic support for catalysts suitable for use in controlling carbon monoxide emissions Emerging Cross-Sectional Technologies 17 Expired
US4353313A Body for a railway carriage Performing Operations; Transporting 16 Expired
US4362109A Railway vehicle trucks Performing Operations; Transporting 16 Expired
US4320392A Transducer with six degrees of freedom Physics 16 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.