Inventor · disambiguated record

Erik V. Helfrich

Also filed as: HELFRICH ERIK V

4 granted patents·12 citations·filing 2019–2023

72Inventor score

Technology areasH04M

Files withLEVEL 3 COMMUNICATIONS LLC4

Top patents by PatentIndex Score

4 records

0192US11277509B2Systems, methods, and storage media for testing local loops of telecommunications networksLEVEL 3 COMMUNICATIONS LLC·Filed 2020·Granted Mar 15, 2022·5 cites·18 claims
0289US12010261B2Systems, methods, and storage media for testing local loops of telecommunications networksLEVEL 3 COMMUNICATIONS LLC·Filed 2023·Granted Jun 11, 2024·2 cites·12 claims
0386US10880430B2Systems, methods, and storage media for testing local loops of telecommunications networksLEVEL 3 COMMUNICATIONS LLC·Filed 2019·Granted Dec 29, 2020·5 cites·16 claims
0466US11659081B2Systems, methods, and storage media for testing local loops of telecommunications networksLEVEL 3 COMMUNICATIONS LLC·Filed 2022·Granted May 23, 2023·0 cites·18 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →