Refrigerator having quick-freezing function
US-9951987-B2 · Apr 24, 2018 · US
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Cheng Jian patents
Cheng Jian holds 3 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 3 |
| Recent patents | 0 |
| First publication | Apr 16, 2015 |
| Latest publication | Apr 24, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Shelf assembly and refrigerator comprising the same
US-9353988-B2 · May 31, 2016 · US
Shelf assembly and refrigerator comprising the same
US-2015102718-A1 · Apr 16, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Refrigerator having quick-freezing function
US-9951987-B2 · Apr 24, 2018 · US
Shelf assembly and refrigerator comprising the same
US-9353988-B2 · May 31, 2016 · US
Shelf assembly and refrigerator comprising the same
US-2015102718-A1 · Apr 16, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| F25D25/02 | 2 |
| F25D23/00 | 2 |
| F25D23/028 | 2 |
| F25D25/024 | 2 |
| A47B57/08 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 3 |
| Human Necessities | 2 |
| Cross-Sectional Technologies | 1 |