68783 ⎘
Safety means for rail/road crossing traffic Operation of gates; Combined operation of gates and signals
Sub-classes:Intelligent Railroad At-Grade Crossings
#2DEVICES AND METHODS FOR CONTROLLING A RAILROAD CROSSING GATE MECHANISM
#3Intelligent Railroad At-Grade Crossings
#4WAYSIDE DEVICE MONITORING SYSTEM AND METHOD
#5GRADE CROSSING GATE ARM POSITION DETECTION SYSTEM
#6Intelligent railroad at-grade crossings
#7AUTOMATED COUNTERBALANCE SYSTEM AND METHOD FOR DETERMINING COUNTERBALANCE AND ADJUSTING COUNTERWEIGHTS OF A CROSSING GATE
#8Double-sided terminal board for grade crossing gate controller
#9Grade crossing gate arm position detection system
#10User interface for grade crossing gate controller
#11Obstruction detection system
#12System and method for monitoring a railroad grade crossing
#13Spring-loaded gate retraction device to return a rail-road crossing gate arm
#14Smart cam for digitalization of a gate mechanism
#15Degradation estimation system of railroad ground equipment and method thereof
#16Gate crossing arm collision detection system and method
#17System, apparatus and method for mounting a device
#18Gate monitoring system
#19Gate monitoring system
#20Energy absorbing system
#21Gate monitoring system
#22Energy absorbing system
#23Railroad grade crossing assembly
#24Intelligent railroad at-grade crossings
#25Backup power notification system for railroad installations