John L. Stubbs
6Patents
3h-index
9Co-inventors
46Inventor score
Filing activity: Jul 19, 1974 → Jul 22, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4760797A | Method and apparatus for automated tie detection and tamping | Fixed Constructions | 11 | Expired |
| US4522127A | Railway tie plug driving apparatus | Fixed Constructions | 8 | Expired |
| US4537937A | Chelating resin and process for making same | Chemistry; Metallurgy | 6 | Expired |
| US4534296A | Rail gauger | Fixed Constructions | 3 | Expired |
| US3955165A | Method of magnetising the flyweights of a governor | Electricity | 2 | Expired |
| US5112452A | Removal of thiosulfate from hydrosulfite solutions | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.