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Quantum Engineering, Inc.

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Records under this name other than patents Quantum Engineering, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,872,591Display of Non-Linked Eot Units Having an Emergency Status
In force
 · High confidence
In forceHigh confidence
US 9,168,935Vital Speed Profile to Control a Train Moving Along a Track
In force
 · High confidence
In forceHigh confidence
US 8,509,970Vital Speed Profile to Control a Train Moving Along a Track
In force
 · High confidence
In forceHigh confidence
US 7,142,982System and Method for Determining Relative Differential Positioning System Measurement Solutions
Term ended
Term ended Jun 10, 2025 · High confidence
Term endedTerm ended Jun 10, 2025High confidence
US 7,722,134Failsafe Electronic Braking System for Trains
Term ended
Term ended Oct 13, 2024 · High confidence
Term endedTerm ended Oct 13, 2024High confidence
US 8,095,253Fuel Efficiency Improvement for Locomotive Consists
Lapsed on the fee record
Ended Jan 10, 2024 · High confidence
Lapsed on the fee recordEnded Jan 10, 2024High confidence
US 6,903,658Method and System for Ensuring That a Train Operator Remains Alert During Operation of the Train
Term ended
Term ended Dec 12, 2023 · High confidence
Term endedTerm ended Dec 12, 2023High confidence
US 6,915,191Method and System for Detecting When an End of Train Has Passed a Point
Term ended
Term ended Jul 10, 2023 · High confidence
Term endedTerm ended Jul 10, 2023High confidence
US 7,096,096Method and System for Automatically Locating End of Train Devices
Term ended
Term ended Jul 2, 2023 · High confidence
Term endedTerm ended Jul 2, 2023High confidence
US 7,467,032Method and System for Automatically Locating End of Train Devices
Term ended
Term ended Jul 2, 2023 · High confidence
Term endedTerm ended Jul 2, 2023High confidence
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