Razor Edge Systems, Inc.
10Patents
10Active
10Granted
48Portfolio score
Filing activity: Jan 9, 2012 → Aug 16, 2021 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10661406B2 | Robotic hand tool sharpening and cleaning apparatus | Emerging Cross-Sectional Technologies | 8 | Active |
| US9545703B1 | Miniature knife sharpening apparatus | Performing Operations; Transporting | 7 | Active |
| USD807141S1 | Scissors sharpening device | General | 5 | Active |
| US9902047B1 | Sharpening apparatus for scissors | Performing Operations; Transporting | 5 | Active |
| US10399208B1 | Protected blade edge knife sharpening apparatus | Performing Operations; Transporting | 5 | Active |
| USD686895S1 | Scissors sharpener | General | 3 | Active |
| US11092527B1 | Hand tool edge tester | Performing Operations; Transporting | 3 | Active |
| US11474014B1 | Hand tool edge tester | Physics | 2 | Active |
| USD807140S1 | Scissors sharpening device | General | 2 | Active |
| US11925820B2 | Two-way protective respirator system with positive air flow against airborne contaminant particles and vapor components | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.