Saint Johns, Florida
United States
10
2023-05-11
The entities that hold a legal rights for patent applications filed by inventor Schmidt Holger:
Holger Schmidt from Saint Johns, US has applied for patents for these inventions. The list has both pending applications and granted patents:
COMBINED CROSSING TERMINATION SHUNT AND RAILROAD CROSSING CONTROL SYSTEM
#2 | 2022-10-06Determination of train direction for bi-directional grade crossings
#3 | 2021-05-13Track circuit with continued distance monitoring and broken rail protection
#4 | 2020-02-13Traffic control system and method for providing a preemption signal
#5 | 2020-01-16Railroad crossing control system including constant warning time device and axle counter system
#6 | 2019-10-10Railway road crossing warning system with sensing system electrically-decoupled from railroad track
#7 | 2019-04-04Digital bridge for drawing and configuration tools
#8 | 2018-09-20Warm or hot standby track card module for use on a wayside of a railway system
#9 | 2018-08-16Lamp driver card to control lighting of a lamp load or a LED on a wayside of a railway system
#10 | 2018-03-06Hot standby for lamp driver
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