Cleaning device having vacuum cleaner and dust collecting station
US-12532998-B2 · Jan 27, 2026 · US
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Hamilton Thomas Francis patents
Hamilton Thomas Francis is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hamilton Thomas Francis |
| Total patents | 2 |
| First publication | May 25, 2023 |
| Latest publication | Jan 27, 2026 |
Notable patents
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Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Samsung Electronics Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A47L9/106 | 2 |
| A47L9/1683 | 2 |
| A47L9/2873 | 2 |
| A47L9/108 | 2 |
| A47L9/1691 | 2 |