Process of preparing aluminum alloy
US-9677157-B2 · Jun 13, 2017 · US
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Liu Chunhai patents
Liu Chunhai holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Sep 10, 2015 |
| Latest publication | Jun 13, 2017 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Process of Preparing Aluminum Alloy
US-2015252450-A1 · Sep 10, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Process of preparing aluminum alloy
US-9677157-B2 · Jun 13, 2017 · US
Process of Preparing Aluminum Alloy
US-2015252450-A1 · Sep 10, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| C22C21/04 | 2 |
| C22C21/02 | 2 |
| C22C1/026 | 2 |
| B22D21/007 | 2 |
| C22B21/06 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 2 |
| Chemistry & Metallurgy | 2 |