David M. Shaver
25Patents
13h-index
28Co-inventors
81Inventor score
Filing activity: Aug 16, 1974 → Aug 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5085043A | Electro-mechanical interlock and module system for lawn mower or other electrical device | Electricity | 85 | Expired |
| US7414337B2 | Scrubber | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6964106B2 | Laser level | Physics | 42 | Expired |
| US7418763B2 | Hand vacuum with filter indicator | Human Necessities | 41 | Expired |
| USRE36250E | Electro-mechanical interlock and module system for lawn mower or other electrical device | General | 36 | Expired |
| US6574831B2 | Upright vacuum cleaner having detachable upright handle | Human Necessities | 36 | Expired |
| US6154007A | Battery charging system and method | Electricity | 35 | Expired |
| US7363673B2 | Hand held scrubbing tool | Emerging Cross-Sectional Technologies | 28 | Expired |
| US8429885B2 | Cordless mower including cooling air flow arrangement | Emerging Cross-Sectional Technologies | 27 | Active |
| US6018231A | Battery charging system | Electricity | 21 | Expired |
| US7121010B2 | Line generating device | Emerging Cross-Sectional Technologies | 20 | Expired |
| US8610396B2 | Battery boost apparatus | Electricity | 17 | Active |
| US7707674B2 | Hand held scrubbing tool | Emerging Cross-Sectional Technologies | 16 | Active |
| US4282410A | Ringing signal generator | Electricity | 13 | Expired |
| US6934995B2 | Hand held steam vacuum with single switch operation | Human Necessities | 13 | Expired |
| US6581241B2 | Vacuum cleaner having airflow recirculation path for cooling beater brush motor | Human Necessities | 13 | Expired |
| US7818864B2 | Scrubber | Emerging Cross-Sectional Technologies | 11 | Active |
| US6631535B2 | Dual on/off switch actuation for a power head of an upright vacuum cleaner | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4239941A | Ringing signal generator | Electricity | 7 | Expired |
| US6926090B2 | Hinged edger housing having improved internal debris guard and labyrinth perimeter seal | Human Necessities | 4 | Expired |
| US3976952A | Sense amplifier | Electricity | 4 | Expired |
| US7076880B2 | Two wire circuit for a laser pendulum | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6612376B2 | Hinged edger housing improved internal debris guard and labyrinth perimeter seal | Human Necessities | 2 | Expired |
| US3939308A | Electronic side of line detector | Electricity | 1 | Expired |
| US12118617B2 | Computer-implemented method of dividend stock tracking and administering advancement of dividend income | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.