Syringe with retractable needle and moveable plunger seal
US-9642970-B2 · May 9, 2017 · US
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Zhu Ni patents
Zhu Ni holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Feb 2, 2016 |
| Latest publication | May 9, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Syringe with recessed nose and protective guard for use with frontal attachments
US-9295790-B2 · Mar 29, 2016 · US
Blood draw device with retractable needle
US-9247899-B2 · Feb 2, 2016 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Syringe with retractable needle and moveable plunger seal
US-9642970-B2 · May 9, 2017 · US
Syringe with recessed nose and protective guard for use with frontal attachments
US-9295790-B2 · Mar 29, 2016 · US
Blood draw device with retractable needle
US-9247899-B2 · Feb 2, 2016 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| A61M2005/3239 | 1 |
| A61M5/3234 | 1 |
| A61M5/508 | 1 |
| A61M5/50 | 1 |
| A61M5/31 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Human Necessities | 3 |