Stoppers used in pre-filled syringes
US-10183118-B2 · Jan 22, 2019 · US
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Guan E patents
Guan E is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guan E |
| Total patents | 4 |
| First publication | Mar 14, 2017 |
| Latest publication | Jan 22, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Stoppers Used in Pre-Filled Syringes
US-2017136187-A1 · May 18, 2017 · US
Positive displacement stopper for a pre-filled syringe
US-9649444-B2 · May 16, 2017 · US
Stoppers used in pre-filled syringes
US-9592346-B2 · Mar 14, 2017 · 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 |
|---|---|
| Becton Dickinson Co | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61M5/31513 | 4 |
| A61M2005/31523 | 4 |
| A61M5/31511 | 4 |
| A61M2005/31521 | 4 |
| A61M5/31515 | 4 |