S. M. W. Seiko
5Patents
0Active
5Granted
28Portfolio score
Filing activity: Mar 23, 1988 → Oct 1, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4906142A | Side cutting blades for multi-shaft auger system and improved soil mixing wall formation process | Fixed Constructions | 23 | Expired |
| US5378085A | Methods for in situ construction of deep soil-cement structures | Fixed Constructions | 22 | Expired |
| US4886400A | Side cutting blades for multi-shaft auger system and improved soil mixing wall formation process | Fixed Constructions | 14 | Expired |
| US5417522A | Soil fragmentation members and multiple lateral support structures for improved soil mixing and efficient boring for use on multi-shaft auger soil mixing apparatus | Fixed Constructions | 14 | Expired |
| US5368415A | Spiral flights for improved soil mixing and efficient boring for use on multi-shaft auger soil mixing apparatus | Fixed Constructions | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.