Daewoo E&C Co., Ltd.
4Patents
3Active
4Granted
39Portfolio score
Filing activity: May 13, 2004 → Sep 14, 2012 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8341788B2 | Method for constructing precast coping for bridge | Fixed Constructions | 9 | Active |
| US7373683B2 | Construction method for prestressed concrete girder bridges | Fixed Constructions | 8 | Expired |
| US8518261B2 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Chemistry; Metallurgy | 1 | Active |
| US8557114B2 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.