Inventor
HOGAN BRIAN JOSEPH
US14 patents
⚠️ This page may combine multiple inventors who share the name “HOGAN BRIAN JOSEPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS INDUSTRY INC
6 patentsUS9912143B1Mar 6, 2018
Hot standby for lamp driver
SIEMENS INDUSTRY INC8 citations83
US10507852B2Dec 17, 2019
Warm or hot standby track card module for use on a wayside of a railway system
SIEMENS INDUSTRY INC2 citations72
US10710616B2Jul 14, 2020
Railroad track powered measurement device and railroad measurement system
SIEMENS INDUSTRY INC2 citations71
US10698038B2Jun 30, 2020
Multichannel ground fault tester
SIEMENS INDUSTRY INC2 citations71
US10017196B1Jul 10, 2018
Wireless crossing warning activation and monitoring
SIEMENS INDUSTRY INC2 citations71
US10349503B2Jul 9, 2019
Lamp driver card to control lighting of a lamp load or a LED on a wayside of a railway system
SIEMENS INDUSTRY INC1 citations62
SIEMENS MOBILITY INC
4 patentsUS12065181B2Aug 20, 2024
Tamperproof gate mechanism
SIEMENS MOBILITY INC3 citations73
US12311990B2May 27, 2025
Grade crossing control system and method for determining track circuit impedance
SIEMENS MOBILITY INC0 citations60
US11543243B2Jan 3, 2023
System and method for determining alignment for railway wayside signal applications
SIEMENS MOBILITY INC0 citations54
US11866076B2Jan 9, 2024
Track circuit with continued distance monitoring and broken rail protection
SIEMENS MOBILITY INC0 citations49