VAE GmbH
40Patents
4Active
40Granted
35Portfolio score
Filing activity: Dec 9, 1994 → Jan 12, 2009 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6695472B1 | Device for measuring the temperatures of axles or bearings for locating hot-boxes or overheated brakes in rolling stock | Performing Operations; Transporting | 14 | Expired |
| US7648080B2 | Rail fixing device | Fixed Constructions | 11 | Active |
| US6164600A | Device for detecting the positions of pivotable parts of a point | Performing Operations; Transporting | 9 | Expired |
| US7121513B2 | Cross frog for a set of track points, provided with an end of position-retaining device | Performing Operations; Transporting | 8 | Expired |
| US6354541B1 | Device for locking end positions of mobile switch parts | Performing Operations; Transporting | 6 | Expired |
| US6056244A | Railway switch setting device | Performing Operations; Transporting | 6 | Expired |
| US5687935A | Device for operating switches | Performing Operations; Transporting | 6 | Expired |
| US7083149B2 | Cross frog | Fixed Constructions | 6 | Expired |
| US6759855B2 | Device for monitoring and forecasting the probability of inductive proximity sensor failure | Physics | 5 | Expired |
| US7137601B2 | Check rail device | Fixed Constructions | 5 | Expired |
| US6241196A | Casing for a hot box or blocked brake detection scanner | Performing Operations; Transporting | 4 | Expired |
| US5566912A | Device for locking of movable switch parts | Performing Operations; Transporting | 4 | Expired |
| US5577691A | Switch blade device in a turnout on a tram-or streetcar-type line | Fixed Constructions | 4 | Expired |
| US6789770B2 | Device for locking the end positions of moving points components | Performing Operations; Transporting | 4 | Expired |
| US7674065B2 | Device for locking the final positions of moving switch points | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6325334A | Coupling device for a point actuator and/or lock | Performing Operations; Transporting | 3 | Expired |
| US7191986B2 | Device for mechanically and electrically checking the switching device of a railway switch machine | Performing Operations; Transporting | 3 | Expired |
| US6371418B1 | Curve path of a switch, and track joint using this type of curve path | Fixed Constructions | 3 | Expired |
| US7178764B2 | Device for operating rail switches | Performing Operations; Transporting | 3 | Expired |
| US7387280B2 | Points comprising a reinforced switch tongue blade | Fixed Constructions | 3 | Expired |
| US8033480B2 | Arrangement for fastening railroad rails to a sleeper | Fixed Constructions | 2 | Expired |
| US7063293B2 | Rolling device for a displaceable cross frog | Fixed Constructions | 2 | Expired |
| US7168663B2 | Point machine for movable frogs | Performing Operations; Transporting | 2 | Expired |
| US6550722B1 | Tongue box for grooved rail points | Fixed Constructions | 2 | Expired |
| US6666412B1 | Device for adjusting and elastically locking moveable switch parts | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.