Joseph E. Murphy
10Patents
6h-index
13Co-inventors
63Inventor score
Filing activity: Jun 12, 1980 → Apr 25, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5801217A | Chromium-free conversation coating and methods of use | Chemistry; Metallurgy | 18 | Expired |
| US8846984B2 | Production of α,ω-diols | Chemistry; Metallurgy | 14 | Active |
| US4315576A | Child resistant closure cap apparatus employing fulcrum action | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5693371A | Method for forming chromium-free conversion coating | Chemistry; Metallurgy | 8 | Expired |
| US4775062A | Child resistant closure cap for necked cans or containers | Performing Operations; Transporting | 8 | Expired |
| US5631959A | Method and apparatus for protecting circuitry accessible through metallic contacts from static discharge damage | Electricity | 7 | Expired |
| US6551417B1 | Tri-cation zinc phosphate conversion coating and process of making the same | Chemistry; Metallurgy | 5 | Expired |
| US8884035B2 | Production of tetrahydrofuran-2, 5-dimethanol from isosorbide | Chemistry; Metallurgy | 4 | Active |
| US4671423A | Container and lid means which resist removal after emplacement | Performing Operations; Transporting | 4 | Expired |
| US8981130B2 | Process for the production of hexanediols | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.