Charles B. Smith
6Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Mar 11, 1982 → Oct 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6896076B2 | Rotating drilling head gripper | Fixed Constructions | 39 | Expired |
| US4442975A | Striping apparatus for marking surfaces | Performing Operations; Transporting | 18 | Expired |
| US11051163B1 | Systems and methods for one-click two-factor authentication | Electricity | 12 | Active |
| US6910531B2 | Rotating drilling stripper | Fixed Constructions | 3 | Expired |
| US11057374B1 | Systems and methods for one-click two-factor authentication | Electricity | 1 | Active |
| US11805119B1 | Systems and methods for one-click two-factor authentication | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.