Richard A. Wareham
59Patents
20h-index
29Co-inventors
88Inventor score
Filing activity: Nov 8, 1976 → Oct 8, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD361179S | Combined wet and dry vacuum cleaner | General | 60 | Expired |
| USD357773S | Combined wet and dry vacuum cleaner | General | 51 | Expired |
| USD372567S | Combined wet and dry vacuum cleaner | General | 51 | Expired |
| USD292335S | Vacuum cleaner | General | 43 | Expired |
| USD412380S | Vacuum cleaner lower portion | General | 39 | Expired |
| US5455983A | Wet/dry utility vacuum cleaner | Human Necessities | 39 | Expired |
| USD412227S | Vacuum cleaner lower portion | General | 37 | Expired |
| US5247719A | Vacuum cleaner tool storage | Human Necessities | 35 | Expired |
| US5608945A | Wet/dry utility vacuum cleaner | Human Necessities | 32 | Expired |
| USD411669S | Vacuum cleaner nozzle | General | 32 | Expired |
| USD473981S1 | Upper portion for an upright extractor | General | 27 | Expired |
| USD262539S | Suction cleaner nozzle or the like | General | 27 | Expired |
| USD293727S | Vacuum cleaner | General | 26 | Expired |
| USD412379S | Vacuum cleaner upper portion | General | 24 | Expired |
| USD431334S | Vacuum cleaner lower portion | General | 23 | Expired |
| USD275428S | Vacuum cleaner or the like | General | 23 | Expired |
| US6006402A | Vacuum cleaner suction nozzle configuration | Human Necessities | 22 | Expired |
| USD361181S | Vacuum cleaner upper portion | General | 22 | Expired |
| USD382682S | Vacuum cleaner | General | 21 | Expired |
| USD333892S | Vacuum cleaner nozzle | General | 20 | Expired |
| US5970576A | Vacuum cleaner height adjustment | Human Necessities | 20 | Expired |
| USD249349S | Suction cleaner nozzle or the like | General | 20 | Expired |
| USD357096S | Vacuum cleaner upper portion | General | 19 | Expired |
| USD391702S | Vacuum cleaner upper portion | General | 19 | Expired |
| US6237189A | Vacuum cleaner suction nozzle configuration | Human Necessities | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.