Smoking article filter and insertable filter unit therefor
US-12295408-B2 · May 13, 2025 · US
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Simpson Michael patents
Simpson Michael is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Simpson Michael |
| Total patents | 7 |
| First publication | Jul 9, 2015 |
| Latest publication | May 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Smoking article filter and insertable filter unit therefor
US-2023292821-A1 · Sep 21, 2023 · US
Smoking article filter and insertable filter unit therefor
US-11678694-B2 · Jun 20, 2023 · US
Smoking article filter and insertable filter unit therefor
US-2020345063-A1 · Nov 5, 2020 · US
Smoking article filter and insertable filter unit therefor
US-10729171-B2 · Aug 4, 2020 · US
Sleeve
US-9826778-B2 · Nov 28, 2017 · US
Sleeve
US-2015189914-A1 · Jul 9, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nicoventures Trading Ltd | 4 |
| British American Tobacco Investments Ltd | 2 |
| Penrose Graham | 1 |
| Malthouse Michael | 1 |
| Wake David | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A24D3/14 | 5 |
| A24D3/061 | 5 |
| A24D3/0291 | 5 |
| A24D3/0216 | 5 |
| A24D1/002 | 5 |