SKF Industries
27Patents
0Active
27Granted
31Portfolio score
Filing activity: Oct 9, 1973 → Nov 24, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4239632A | Lubricant composition | Chemistry; Metallurgy | 40 | Expired |
| US4557613A | Spherical roller bearing having reciprocal crowning for skew control | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4492415A | Unitary full complement bearing components containing rolling elements in a self-supporting lubricating matrix | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4222620A | Cage for a rolling bearing made of synthetic material | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4534871A | Lubricant insert for rolling bearings | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US3963285A | Cage control of skew angle in roller bearings | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4402558A | Rolling bearing | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US3971565A | Seal assembly for pillow block housing | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3990753A | Roller bearings comprising rollers with positive skew angle | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4235487A | Rolling bearing cage | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4408809A | Seal, especially for wheel bearing arrangements for vehicles | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4227754A | Rolling bearing | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4165085A | Foamed plastic lubricating seal | Electricity | 12 | Expired |
| US4146487A | Lubricating composition | Chemistry; Metallurgy | 11 | Expired |
| US4118080A | Sealed antifriction bearing with sealing element | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4046433A | Wheel bearing unit for motor vehicles | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4235489A | External device for selectively converting a pillow block between free and held positions | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4065191A | Roller skew control for tapered roller bearings | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4280743A | Double-row spherical roller bearing | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4291927A | Integral foamed plastic sliding bearings | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4379599A | Bearing inner ring | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4240681A | Two row rolling bearing assembly having single piece inner ring and two piece outer ring | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4042422A | Method for forming bearing unit | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4138169A | Two row rolling bearing assembly having single piece inner ring and two piece outer ring | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4209208A | Rolling bearing for conveyor rolls | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.