Waterproofing membrane
US-8931229-B2 · Jan 13, 2015 · US
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Cao Xia patents
Cao Xia holds 2 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 2 |
| Recent patents | 0 |
| First publication | Jan 13, 2015 |
| Latest publication | Jan 13, 2015 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2015 | 2 |
| Year | Patents |
|---|---|
| 2015 | 2 |
Recent patents
Latest publications where this party is an assignee.
Waterproofing membrane
US-8931228-B2 · Jan 13, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Waterproofing membrane
US-8931229-B2 · Jan 13, 2015 · US
Waterproofing membrane
US-8931228-B2 · Jan 13, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| Y10T428/2835 | 2 |
| Y10T428/273 | 2 |
| E04B1/665 | 2 |
| Y10T428/24355 | 2 |
| E01D19/083 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Chemistry & Metallurgy | 2 |
| Fixed Constructions | 2 |
| Cross-Sectional Technologies | 2 |