4M Company
5Patents
5Active
5Granted
43Portfolio score
Filing activity: Dec 15, 2008 → Mar 12, 2018 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8377301B2 | Method and apparatus for treating drilling fluid | Performing Operations; Transporting | 7 | Active |
| US10208493B1 | Column reinforcing structure using V-shaped tie bars | Fixed Constructions | 5 | Active |
| US9371129B1 | Lightweight aircraft seal material | Performing Operations; Transporting | 2 | Active |
| US9925702B2 | Lightweight aircraft seal material | Performing Operations; Transporting | 1 | Active |
| US10744688B2 | Lightweight material | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.