Spencer L. Mackay
86Patents
26h-index
80Co-inventors
91Inventor score
Filing activity: Dec 13, 1976 → Sep 4, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD267582S | Hand-held showerhead | General | 162 | Expired |
| USD246667S | Motor pump housing for a dental irrigator | General | 141 | Expired |
| US5094359A | Combination packaging/shipping carton and ice bucket | Performing Operations; Transporting | 129 | Expired |
| USD371242S | Electric toothbrush with combined charging base and brush-head container therefor | General | 88 | Expired |
| USD246668S | Motor pump housing for a dental jet irrigator and cover therefor | General | 71 | Expired |
| US5163418A | Speculum cover | Physics | 65 | Expired |
| US5540355A | Water cooler and dispensing system | Performing Operations; Transporting | 54 | Expired |
| USD600060S1 | Water cooler | General | 51 | Expired |
| USD269546S | Physiologic monitor or the like | General | 50 | Expired |
| USD303876S | Combined electric periodontal brush and mounting bracket | General | 48 | Expired |
| US6361397B1 | Garments which facilitate the drainage of lymphatic fluid from the breast area of the human female | Human Necessities | 44 | Expired |
| USD342718S | Charging base | General | 41 | Expired |
| US5020624A | Power drive scooter | Performing Operations; Transporting | 41 | Expired |
| USD405132S | Exercise apparatus | General | 41 | Expired |
| USD267581S | Showerhead | General | 40 | Expired |
| US6361512B1 | Massaging apparatus using inflatable bladders | Human Necessities | 38 | Expired |
| USD249275S | Portable water filter | General | 35 | Expired |
| US5490453A | Centrifugal fat extraction apparatus | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5131555A | Beverage container opening top | Performing Operations; Transporting | 33 | Expired |
| USD411826S | Weatherproof electrical enclosure | General | 33 | Expired |
| USD311844S | Beverage dispenser | General | 32 | Expired |
| US4234526A | Evaporative cooler | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6410851B1 | Mounting system for electrical wiring boxes | Electricity | 27 | Expired |
| USD696041S1 | Dispenser and waste cabinet | General | 27 | Active |
| US4951835A | Beverage container opening and resealing device | Performing Operations; Transporting | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.