John Sadler
10Patents
7h-index
3Co-inventors
59Inventor score
Filing activity: Aug 28, 1978 → Jan 30, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD400322S | Combined blower and vacuum | General | 63 | Expired |
| US4292628A | Fibre optic security system | Physics | 37 | Expired |
| US5673457A | Debris blower and/or vacuum devices | Electricity | 28 | Expired |
| US5604954A | Blower-vacuum device | Electricity | 28 | Expired |
| USD405566S | Combined blower and vacuum | General | 22 | Expired |
| US5659920A | Blower vacuum device of improved design | Human Necessities | 18 | Expired |
| US5701632A | Debris blowing apparatus | Human Necessities | 14 | Expired |
| US7266860B2 | Blower-vacuum devices | Fixed Constructions | 5 | Expired |
| US7412747B2 | Means for collecting garden waste | Human Necessities | 0 | Expired |
| US6943306B2 | Interlock mechanisms | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.