Charles R. Morrow
6Patents
6h-index
13Co-inventors
60Inventor score
Filing activity: Aug 31, 1981 → May 9, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5537712A | Vacuum cleaner belt drive release | Human Necessities | 40 | Expired |
| US5134750A | Cleaner with conversion valve arrangement | Human Necessities | 29 | Expired |
| US6598263B2 | Vacuum cleaner dirt collecting system with filter cleaning devices | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4434865A | Power transmission for a cleaner | Human Necessities | 12 | Expired |
| US5373598A | Cleaner with performance indicator | Human Necessities | 9 | Expired |
| USD458670S1 | Filter cartridge top | General | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.