John Alexander
11Patents
7h-index
3Co-inventors
59Inventor score
Filing activity: Nov 6, 1987 → Mar 10, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6256524A | Pulse oximeter sensor combined with a combination oropharyngeal airway and bite block | Human Necessities | 128 | Expired |
| US6470200B2 | Pacifier pulse oximeter sensor | Human Necessities | 118 | Expired |
| US6266547A | Nasopharyngeal airway with reflectance pulse oximeter sensor | Human Necessities | 103 | Expired |
| US6871911B2 | Continuously adjustable lawn furniture having tubular construction | Human Necessities | 22 | Expired |
| US6471288B2 | Continuously adjustable lawn furniture with flexible seat | Human Necessities | 11 | Expired |
| US7604224B2 | Motorized clamp | Performing Operations; Transporting | 10 | Active |
| US8388017B2 | Foldable trailer | Performing Operations; Transporting | 8 | Active |
| US7681477B2 | Adjustable pliers | Performing Operations; Transporting | 7 | Active |
| US8177203B2 | Clamp and lever therefor | Performing Operations; Transporting | 4 | Active |
| US6361107B1 | Continuously adjustable lawn furniture | Human Necessities | 3 | Expired |
| US4760415A | Film advance device for surveillance cameras | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.