Patent assignee · AT · COMPANY

VAE Eisenbahnsysteme GmbH

18Patents
3Active
18Granted
34Portfolio score

Filing activity: Dec 15, 1993 → Jan 12, 2009 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5478151A Device for detecting excessively heated components or locations in moving objects Physics 13 Expired
US7648080B2 Rail fixing device Fixed Constructions 11 Active
US7121513B2 Cross frog for a set of track points, provided with an end of position-retaining device Performing Operations; Transporting 8 Expired
US6759855B2 Device for monitoring and forecasting the probability of inductive proximity sensor failure Physics 5 Expired
US6789770B2 Device for locking the end positions of moving points components Performing Operations; Transporting 4 Expired
US7178764B2 Device for operating rail switches Performing Operations; Transporting 3 Expired
US7674065B2 Device for locking the final positions of moving switch points Emerging Cross-Sectional Technologies 3 Expired
US7191986B2 Device for mechanically and electrically checking the switching device of a railway switch machine Performing Operations; Transporting 3 Expired
US7387280B2 Points comprising a reinforced switch tongue blade Fixed Constructions 3 Expired
US7168663B2 Point machine for movable frogs Performing Operations; Transporting 2 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
US7135648B2 End position detector for movable switch parts Performing Operations; Transporting 1 Expired
US7150436B2 Method for installing points in railway tracks and points for carrying out said method Fixed Constructions 1 Expired
US6945156B2 Device for switching and locking moving points components Performing Operations; Transporting 0 Expired
US8746630B2 Switch with movable frog point Fixed Constructions 0 Active
US7210636B2 Profile transition rail and method for producing said rail Fixed Constructions 0 Expired
US7874527B2 Fastening rail in railway slide chair assembly Fixed Constructions 0 Active

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