Valve seat apparatus for use with fluid valves
US-9303773-B2 · Apr 5, 2016 · US
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Qiu Yan patents
Qiu Yan holds 1 patent in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 1 |
| Recent patents | 0 |
| First publication | Apr 5, 2016 |
| Latest publication | Apr 5, 2016 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2016 | 1 |
| Year | Patents |
|---|---|
| 2016 | 1 |
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Valve seat apparatus for use with fluid valves
US-9303773-B2 · Apr 5, 2016 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 1 |
| Cross-Sectional Technologies | 1 |