David Johnson
6Patents
2Active
6Granted
44Portfolio score
Filing activity: Jan 27, 1984 → Nov 23, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4586192A | Soundstage boundary expansion system | Electricity | 20 | Expired |
| US5750398A | Vector, element and method for inhibiting immune recognition | Physics | 10 | Expired |
| USD428561S | Cooking grill | General | 5 | Expired |
| US5858376A | HSV proteins for inhibiting recognition by cytotoxic T lymphocytes | Physics | 1 | Expired |
| US11884889B2 | Kinetic oil processing system | Chemistry; Metallurgy | 0 | Active |
| US12104312B2 | Bracket for a clothesline assembly and a clothesline assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.