Douglass A. King
8Patents
7h-index
25Co-inventors
59Inventor score
Filing activity: Dec 22, 1986 → Jun 7, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5961676A | Hard bag door with air directing arrangement | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5134750A | Cleaner with conversion valve arrangement | Human Necessities | 29 | Expired |
| US6260233A | Removable hose and tool caddy for a vacuum cleaner | Human Necessities | 18 | Expired |
| US6725498B2 | Recovery tank assembly | Human Necessities | 17 | Expired |
| US4845803A | Movable hand grip with actuation | Human Necessities | 16 | Expired |
| US5406674A | Resiliently cushioned activating means for power assist | Human Necessities | 15 | Expired |
| US6314610A | Vacuum cleaner bag housing assembly | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5226527A | Vacuum cleaner remote switch actuator | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.