DANA LIMITED
1,568Patents
57Active
1,568Granted
51Portfolio score
Filing activity: May 29, 1973 → Dec 7, 2023 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5487767A | Radially sealed air filters | Performing Operations; Transporting | 225 | Expired |
| US5560461A | Multiple cone synchronizer for vehicle transmission | Emerging Cross-Sectional Technologies | 168 | Expired |
| US5415677A | Air filters including filters configured for both radial and axial sealing | Performing Operations; Transporting | 150 | Expired |
| US6010155A | Vehicle frame assembly and method for manufacturing same | Performing Operations; Transporting | 149 | Expired |
| US5795361A | Filter configuration | Emerging Cross-Sectional Technologies | 133 | Expired |
| US6952680B1 | Apparatus and method for tracking and managing physical assets | Emerging Cross-Sectional Technologies | 124 | Expired |
| US6419278B1 | Automotive hose coupling | Mechanical Engineering; Lighting; Heating | 108 | Expired |
| US5230539A | Quick connect tube coupling | Mechanical Engineering; Lighting; Heating | 87 | Expired |
| US6976816B2 | Combination lock washer and spindle bearing assembly | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US5842411A | Shielded printer | Performing Operations; Transporting | 80 | Expired |
| US4844484A | Floating lip seal with reinforced flexible portion | Emerging Cross-Sectional Technologies | 73 | Expired |
| US5199325A | Electronic shift or clutch actuator for a vehicle transmission | Emerging Cross-Sectional Technologies | 70 | Expired |
| US6175770A | Electronic controller having automatic self-configuration capabilities | Physics | 69 | Expired |
| US6386596B1 | Quick-connect hose end couplings | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6011368A | Sensorless detection of a locked rotor in a switched reluctance motor | Electricity | 65 | Expired |
| US4776602A | Thermally conductive composite gasket | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5472059A | Wheel end assembly | Performing Operations; Transporting | 64 | Expired |
| US4781078A | Locking differential with electromagnetic actuated clutch | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US4588195A | Floating lip seal assembly with convoluted flexible section | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US3952829A | Vehicle speed control circuit | Physics | 62 | Expired |
| US4227427A | Drive unit assembly | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4856072A | Voice actuated vehicle security system | Physics | 61 | Expired |
| US4271722A | Axle disconnect | Mechanical Engineering; Lighting; Heating | 59 | Expired |
| US6019348A | Quick-connection of a fuel fill pipe to a fuel tank | Performing Operations; Transporting | 58 | Expired |
| US4193616A | Quick connect fitting | Emerging Cross-Sectional Technologies | 58 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.