Frederick S. Marshall
7Patents
7Active
7Granted
45Portfolio score
Filing activity: Jul 12, 2010 → Nov 6, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8458984B2 | System and method for forming a movable slab foundation | Fixed Constructions | 19 | Active |
| US8671627B2 | System for forming a movable slab foundation | Fixed Constructions | 13 | Active |
| US8407898B2 | System and method for forming a movable slab foundation | Emerging Cross-Sectional Technologies | 11 | Active |
| US8678712B2 | System for forming a movable slab foundation | Fixed Constructions | 4 | Active |
| US10450715B2 | Powered lifting station for and method for lifting a slab foundation | Fixed Constructions | 1 | Active |
| US10704252B2 | Method for lifting and supporting a new slab foundation with hydraulic jacks | Fixed Constructions | 0 | Active |
| US10557246B2 | Roller forms for temporarily supporting a new slab foundation | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.