Leonard E. Bowerman
12Patents
11h-index
15Co-inventors
69Inventor score
Filing activity: Jun 1, 1977 → Jan 22, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5725623A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4724574A | Suction cleaner | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4294595A | Vacuum cleaner including automatic shutoff device | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5685894A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5690713A | Filter and accessory mount for upright vacuum cleaner exhaust port | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5387117A | Universal central vacuum cleaner hose end fitting | Electricity | 25 | Expired |
| US4364146A | Quick cleanout for upright vacuum cleaner | Human Necessities | 25 | Expired |
| US5129128A | Vacuum cleaner | Human Necessities | 23 | Expired |
| USD299176S | Upright vacuum cleaner | General | 19 | Expired |
| US4099291A | Vacuum cleaner having magnetic drive for agitator brush | Electricity | 15 | Expired |
| US5329666A | Vacuum cleaner | Human Necessities | 12 | Expired |
| US5218736A | Vacuum cleaner | Human Necessities | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.