Fatigue detection and operator alert system
US-12539870-B2 · Feb 3, 2026 · US
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Hamann Robert A patents
Hamann Robert A is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hamann Robert A |
| Total patents | 4 |
| First publication | Nov 17, 2015 |
| Latest publication | Feb 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Device and method for electrical fault detection
US-2025198848-A1 · Jun 19, 2025 · US
Fatigue detection and operator alert system
US-2024416940-A1 · Dec 19, 2024 · US
Systems and methods for stabilizing power rate of change within generator based applications
US-9190852-B2 · Nov 17, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Caterpillar Inc | 3 |
| Caterpillar Global Mining Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B60W2540/26 | 2 |
| B60W2540/229 | 2 |
| B60W2540/221 | 2 |
| B60W2420/403 | 2 |
| G06V20/597 | 2 |