Inventor
CONSTANTINE EDWARD
US13 patents
⚠️ This page may combine multiple inventors who share the name “CONSTANTINE EDWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PROGRESS RAIL SERVICES CORP
6 patentsUS10081915B2Sep 25, 2018
Track rail fastening mechanism and method
PROGRESS RAIL SERVICES CORP10 citations82
US10240299B2Mar 26, 2019
Mechanism and system for fastening track rail to a substrate and track rail fastening method
PROGRESS RAIL SERVICES CORP3 citations68
US11396729B2Jul 26, 2022
Direct fixation fastener having interlocking eccentrics for lateral adjustment
PROGRESS RAIL SERVICES CORP1 citations60
US12595628B2Apr 7, 2026
Track rail fastener structured for displacement restraint
PROGRESS RAIL SERVICES CORP0 citations50
US11732423B2Aug 22, 2023
Spring anchor assembly for track rail and spring anchor insulator for same
PROGRESS RAIL SERVICES CORP0 citations50
US11098454B2Aug 24, 2021
Track rail fastener and system for pedestal mounted track rail
PROGRESS RAIL SERVICES CORP0 citations50