John MacDonald
20Patents
6h-index
24Co-inventors
69Inventor score
Filing activity: Jan 24, 1975 → Sep 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6527649B1 | Adjustable golf putter | Human Necessities | 154 | Expired |
| US3948543A | Motorcycle suspension system | Performing Operations; Transporting | 27 | Expired |
| US5734323A | Puncture detecting barrier materials | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5158671A | Method for stabilizing hydroisomerates | Chemistry; Metallurgy | 15 | Expired |
| USD849524S1 | Product container | General | 13 | Active |
| US4028224A | Process for the preparation of low pour point lubricating oils | Chemistry; Metallurgy | 7 | Expired |
| USD835880S1 | Food product | General | 6 | Active |
| US6810715B2 | In-situ leak testing of glovebox, isolator, or containment unit gloves | Physics | 4 | Expired |
| USD835881S1 | Food product | General | 4 | Active |
| USD896038S1 | Product dispenser | General | 3 | Active |
| USD852456S1 | Food product | General | 3 | Active |
| US4367152A | Selected heteroaromatic nitrogen compounds as antioxidant/metal deactivators/electrical insulators in lubricating oils and petroleum liquid fuels | Chemistry; Metallurgy | 3 | Expired |
| USD822317S1 | Food product | General | 2 | Active |
| USD824636S1 | Food product | General | 2 | Active |
| USD853681S1 | Food product | General | 2 | Active |
| USD833105S1 | Food product | General | 1 | Active |
| US11084647B2 | Dispenser | Performing Operations; Transporting | 1 | Active |
| USD903428S1 | Product dispenser | General | 1 | Active |
| USD830667S1 | Food product | General | 0 | Active |
| US11279550B2 | Dispenser | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.