John J. Dugan
7Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Oct 22, 1976 → Nov 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6161797A | Method and apparatus for reducing airplane noise | Emerging Cross-Sectional Technologies | 71 | Expired |
| US4147612A | Regeneration of alkali metal sulfides from alkali metal hydrosulfides | Chemistry; Metallurgy | 14 | Expired |
| US4054512A | Deasphalting with liquid hydrogen sulfide | Chemistry; Metallurgy | 14 | Expired |
| US4147611A | Regeneration of alkali metal sulfides from alkali metal hydrosulfides | Chemistry; Metallurgy | 12 | Expired |
| US5632867A | Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6427801B1 | Apparatus for reducing noise in the jet engine | Performing Operations; Transporting | 3 | Expired |
| US11925954B2 | Flash nozzle assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.