Patent assignee · FR · COMPANY

SKF France

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70Patents
2Active
70Granted
36Portfolio score

Filing activity: Apr 8, 1987 → May 12, 2010 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5575568A Encoder device for a rotational speed sensor and rolling-contact bearing equipped with such a device Mechanical Engineering; Lighting; Heating 52 Expired
US6267512A Suspension thrust bearing device Mechanical Engineering; Lighting; Heating 41 Expired
US6043643A Sensor for a rotating member of a bearing having reinforcing elements Mechanical Engineering; Lighting; Heating 37 Expired
US6908229B2 Instrumented roller bearing, in particular for control wheel Mechanical Engineering; Lighting; Heating 37 Expired
US5139425A Rolling bearing with rotating electrical contacts Electricity 34 Expired
US5231391A Passive pick-up device for monitoring the state of the tire of a vehicle wheel and measuring the rotation characteristics of the wheel Mechanical Engineering; Lighting; Heating 30 Expired
US5873658A Rolling bearing with information sensor Mechanical Engineering; Lighting; Heating 29 Expired
US6357926B1 Rolling-bearing roller fixing device and rolling-bearing roller including such a device Mechanical Engineering; Lighting; Heating 29 Expired
US5530344A Encoder element for a rolling-contact bearing equipped with an information sensor assembly and rolling-contact bearing including such an encoding element Physics 26 Expired
US5011303A Integrated bearing provided with a pulser and with a sensor for equipping a motor vehicle wheel hub Mechanical Engineering; Lighting; Heating 26 Expired
US4783182A Rolling bearing with two rows of rolling elements and equipped with a retention piece for the bearing rings, retention piece usable for this purpose and process for assembling such a bearing Mechanical Engineering; Lighting; Heating 25 Expired
US6179473A Rolling bearing of steering column for motor vehicles Mechanical Engineering; Lighting; Heating 24 Expired
US5131763A Bearing hub equipped with a device for detecting the rotational speed Mechanical Engineering; Lighting; Heating 24 Expired
US6270001A Method of manufacturing a pulley with integral bearing Mechanical Engineering; Lighting; Heating 23 Expired
US5293124A Sensing device for detecting the rotational speed of a rotating element mounted on a non-rotating element by means of a bearing Mechanical Engineering; Lighting; Heating 22 Expired
US6338576B1 Instrumented rolling bearing Mechanical Engineering; Lighting; Heating 22 Expired
US5195830A Leaktight sensor assembly which can be incorporated in a data sensor bearing and bearing equipped with such an assembly Mechanical Engineering; Lighting; Heating 20 Expired
US6109624A Wheel assembly for in-line skate with device for detecting rotational speed Mechanical Engineering; Lighting; Heating 20 Expired
US5434503A Device for radial detection of the rotational speed of a rolling-contact bearing, with an encoding element, a sensor element and a sensor holder, and bearing equipped with such device Mechanical Engineering; Lighting; Heating 17 Expired
US6558043B2 Suspension thrust bearing with retaining means Mechanical Engineering; Lighting; Heating 17 Expired
US5503480A Sealing device for passage of fluid through a bearing, and bearing equipped with said device Mechanical Engineering; Lighting; Heating 17 Expired
US5908094A Freewheel assembly Mechanical Engineering; Lighting; Heating 17 Expired
US5309094A Bearing rotary speed sensor with concentric multipole magnetic rings axially aligned with collector branches Mechanical Engineering; Lighting; Heating 16 Expired
US5564838A Member for axial retention of a rolling-contact bearing with information sensor and rolling-contact bearing assembly including such a member Emerging Cross-Sectional Technologies 16 Expired
US5642946A Rolling-contact bearing equipped with a sealing device for the passage of fluid Mechanical Engineering; Lighting; Heating 15 Expired

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