Anti-sagging gypsum product and a method to manufacture
US-10793472-B2 · Oct 6, 2020 · US
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Li Huifen patents
Li Huifen holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Feb 17, 2015 |
| Latest publication | Oct 6, 2020 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| G01N21/8806 | 1 |
| G01N21/958 | 1 |
| F21K9/175 | 1 |
| G01N2201/105 | 1 |
| G01N2021/8816 | 1 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 1 |
| Chemistry & Metallurgy | 1 |
| Mechanical Engineering | 1 |
| Physics | 1 |
| Cross-Sectional Technologies | 1 |