Assignee
HERZOG SERVICES INC
US·7 granted patents·200 citations·filing 1997–2024
Top patents by PatentIndex Score
7 records- 0194US8820166B2Apparatus for detecting defectsHERZOG SERVICES INC·Filed 2013·Granted Sep 2, 2014·26 cites·52 claims
- 0294US7882742B1Apparatus for detecting, identifying and recording the location of defects in a railway railHERZOG SERVICES INC·Filed 2008·Granted Feb 8, 2011·57 cites·17 claims
- 0392US8365604B2Apparatus for and method of detecting defects in a rail joint barHERZOG SERVICES INC·Filed 2010·Granted Feb 5, 2013·24 cites·18 claims
- 0486US6055862AMethod of and an apparatus for detecting, identifying and recording the location of defects in a railway railHERZOG SERVICES INC·Filed 1997·Granted May 2, 2000·93 cites·32 claims
- 0559US12392756B2Roller search unit having integrated digital circuitry for detecting rail defectsHERZOG SERVICES INC·Filed 2023·Granted Aug 19, 2025·0 cites·13 claims
- 0656US12570336B2System for detecting defects in rail and methods of using sameHERZOG SERVICES INC·Filed 2023·Granted Mar 10, 2026·0 cites·21 claims
- 0752US12286142B2Utility body for housing system for detecting defects in railHERZOG SERVICES INC·Filed 2024·Granted Apr 29, 2025·0 cites·21 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →