Mark A. Ferguson
90Patents
24h-index
62Co-inventors
91Inventor score
Filing activity: Jul 26, 1993 → Dec 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5806961A | Rechargeable flashlight assembly with nightlight | Mechanical Engineering; Lighting; Heating | 113 | Expired |
| US6308832A | Product display package | Performing Operations; Transporting | 86 | Expired |
| USD548618S1 | Zinc-air hearing aid battery package | General | 79 | Expired |
| USD549111S1 | Zinc-air hearing aid battery package | General | 65 | Expired |
| USD548619S1 | Zinc-air hearing aid battery package | General | 59 | Expired |
| USD433936S | Battery package | General | 58 | Expired |
| USD452022S | Lantern | General | 53 | Expired |
| USD650105S1 | Lantern lighting device | General | 44 | Expired |
| US8376574B2 | Multi-spectrum lighting device having a plurality of illumination modes | Emerging Cross-Sectional Technologies | 42 | Active |
| USD696803S1 | Headlamp assembly | General | 40 | Active |
| US7621405B2 | Lithium battery package | Performing Operations; Transporting | 37 | Active |
| USD548620S1 | Zinc-air hearing aid battery package | General | 32 | Expired |
| USD431308S | Rechargeable flashlight | General | 31 | Expired |
| USD432909S | Battery package | General | 31 | Expired |
| USD376691S | Portable security case | General | 31 | Expired |
| US7731385B2 | Multi-mode flashlight | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US5944407A | Flashlight/area table lamp having a flexible neck | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| USD432009S | Battery package | General | 28 | Expired |
| USD453580S1 | Rechargeable flashlight | General | 27 | Expired |
| USD386307S | Portable security case | General | 25 | Expired |
| USD556601S1 | Zinc-air hearing aid battery package | General | 25 | Expired |
| US5609174A | Sealed wash arm bearing | Human Necessities | 24 | Expired |
| USD432411S | Battery package | General | 24 | Expired |
| USD448876S | Flashlight | General | 24 | Expired |
| USD403446S | Rechargeable flashlight | General | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.