Mark Stratford
60Patents
21h-index
31Co-inventors
88Inventor score
Filing activity: Jun 6, 1995 → Apr 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD445975S | Base unit for a hand held vacuum cleaner | General | 69 | Expired |
| USD679651S1 | Battery pack | General | 52 | Active |
| USD466476S1 | Charging base unit | General | 43 | Expired |
| USD440720S | Hand held vacuum | General | 41 | Expired |
| USD441926S | Hand held vacuum | General | 39 | Expired |
| USD441152S | Hand held vacuum | General | 39 | Expired |
| USD440719S | Hand held vacuum | General | 37 | Expired |
| USD445974S | Filter for a hand held vacuum cleaner | General | 34 | Expired |
| USD387516S | Vacuum cleaner | General | 34 | Expired |
| USD379690S | Hand-held vacuum cleaner | General | 34 | Expired |
| USD441151S | Hand held vacuum | General | 33 | Expired |
| US5966774A | Hand-held vacuum cleaner | Human Necessities | 33 | Expired |
| USD569059S1 | Hand-held vacuum cleaner | General | 33 | Expired |
| USD437983S | Hand held vacuum cleaner | General | 32 | Expired |
| USD569060S1 | Hand-held vacuum cleaner | General | 30 | Expired |
| USD472683S1 | Vacuum cleaner filter | General | 29 | Expired |
| USD652846S1 | Lawnmower | General | 28 | Expired |
| USD653265S1 | Lawnmower | General | 27 | Expired |
| USD443740S | Filter for a hand held vacuum cleaner | General | 25 | Expired |
| USD509930S1 | Hand-held cordless vacuum cleaner | General | 24 | Expired |
| USD564445S1 | Charger base for hand-held vacuum cleaner | General | 21 | Expired |
| USD548556S1 | 1/4 Sheet sander | General | 20 | Expired |
| USD527600S1 | Screwdriver | General | 19 | Expired |
| USD623909S1 | Hedgetrimmer with rotating handle | General | 19 | Expired |
| USD566041S1 | Charger base for a drill | General | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.