Donald Black
9Patents
7h-index
11Co-inventors
60Inventor score
Filing activity: Nov 21, 1978 → Feb 3, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5910776A | Method and apparatus for identifying locating or monitoring equipment or other objects | Electricity | 566 | Expired |
| US8049636B2 | System, methods and apparatus for monitoring via a hand held tool | Human Necessities | 92 | Active |
| US4558305A | Multiple tone signaling device | Performing Operations; Transporting | 22 | Expired |
| US6682447B1 | Training bat system | Human Necessities | 19 | Expired |
| US7198581B1 | Training bat system | Human Necessities | 18 | Expired |
| US8418413B2 | Windturbine support tower with pendulum-damping means | Emerging Cross-Sectional Technologies | 10 | Active |
| US4531115A | Remote alarm system | Physics | 8 | Expired |
| US4274744A | Direct reading digital colorimeter | Physics | 4 | Expired |
| US8317106B2 | Attachment arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.