Wilhelm Karmann GmbH
190Patents
56Active
190Granted
45Portfolio score
Filing activity: Mar 27, 1978 → Mar 18, 2010 · 56 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6135542A | Car body part, particularly a contoured frame member | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5979970A | Roof assembly for a convertible vehicle | Performing Operations; Transporting | 49 | Expired |
| US6053560A | Convertible vehicle | Performing Operations; Transporting | 48 | Expired |
| US5207474A | Folding top for a passenger car with folding roof | Performing Operations; Transporting | 46 | Expired |
| US5803533A | Motor vehicle body, particularly for a convertible | Performing Operations; Transporting | 45 | Expired |
| US6336673B1 | Convertible vehicle | Performing Operations; Transporting | 42 | Expired |
| US6090232A | Component made from a metallic foam material | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6094798A | Component made from a metallic foam material | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6409247B1 | Convertible vehicle with an at least partially flexible roof and at least one cross-connecting support | Performing Operations; Transporting | 32 | Expired |
| US6454342B2 | Convertible vehicle | Performing Operations; Transporting | 30 | Expired |
| US6270143A | Folding roof for a convertible | Performing Operations; Transporting | 29 | Expired |
| US5816644A | Folding top for a convertible | Performing Operations; Transporting | 28 | Expired |
| US5435615A | Locking device for convertible tops | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6206460A | Motor vehicle with vibration damper | Performing Operations; Transporting | 27 | Expired |
| US4193621A | Bumpers for motor vehicles | Performing Operations; Transporting | 27 | Expired |
| US5667269A | Three section convertible top | Performing Operations; Transporting | 26 | Expired |
| US6578898B2 | Convertible vehicle | Performing Operations; Transporting | 26 | Expired |
| US6502891B2 | Convertible vehicle | Performing Operations; Transporting | 25 | Expired |
| US7500709B2 | Folding top for a convertible and convertible comprising a folding top | Performing Operations; Transporting | 25 | Expired |
| US6824194B2 | Convertible with a roof, which can be stowed in the rear region of the vehicle below a lid | Performing Operations; Transporting | 25 | Expired |
| USD413096S | Motor vehicle with panoramic roof | General | 24 | Expired |
| US5833300A | Vehicle, particularly with a folding roof | Performing Operations; Transporting | 24 | Expired |
| US6511118B2 | Convertible vehicle | Performing Operations; Transporting | 23 | Expired |
| US4637121A | Method of operating industrial robots, and industrial robot for carrying out the method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5558389A | Retractable folding top for a convertible | Performing Operations; Transporting | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.