Marshall B. Johnson
21Patents
10h-index
14Co-inventors
72Inventor score
Filing activity: Mar 22, 1976 → Jun 30, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5309514A | Pulse generator including a memory for storing pulses for modulation on a carrier of a television signal | Electricity | 67 | Expired |
| USD294991S | Steam iron | General | 19 | Expired |
| USD276406S | Hand held can opener | General | 19 | Expired |
| USD247414S | Dispensing apparatus for comestibles or similar article | General | 18 | Expired |
| USD345079S | Food processor | General | 17 | Expired |
| USD256759S | Pressure cooker | General | 17 | Expired |
| USD251569S | Knife sheath | General | 15 | Expired |
| USD263441S | Cooking utensil cover or the like | General | 14 | Expired |
| USD258038S | Electric pressure cooker | General | 13 | Expired |
| USD251436S | Hunting knife sheath and the like | General | 11 | Expired |
| USD317238S | Hot air corn popper | General | 10 | Expired |
| USD262709S | Vertical rotisserie | General | 9 | Expired |
| US4106534A | Apparatus for placing comestibles in dispensing mechanism | Human Necessities | 7 | Expired |
| US8265450B2 | Capturing and inserting closed captioning data in digital video | Electricity | 7 | Active |
| USD262710S | Base and cover for a vertical rotisserie | General | 7 | Expired |
| USD256467S | Corn popping apparatus | General | 7 | Expired |
| USD314267S | Steam iron | General | 6 | Expired |
| USD246410S | Coffeemaker or the like | General | 6 | Expired |
| USD264341S | Base for a vertical rotisserie | General | 5 | Expired |
| USD273358S | Hot air corn popper | General | 4 | Expired |
| USD839418S1 | Diaper | General | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.