Frank Pitts
10Patents
5h-index
4Co-inventors
55Inventor score
Filing activity: Apr 15, 1974 → Jul 7, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3957500A | Stabilised zirconia and a process for the preparation thereof | Chemistry; Metallurgy | 23 | Expired |
| US4668124A | Disposal of material containing vanadium as landfill | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4100252A | Metal extraction process | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4126663A | Process for recovering vanadium values from acidic sulfate solution | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4231997A | Preparation of rare earth nitrates | Chemistry; Metallurgy | 6 | Expired |
| US4150092A | Process for recovering vanadium values from acidic chloride solutions | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4891130A | Process for removing metals from aluminosilicate materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4200618A | Preparation of magnesium chloride | Chemistry; Metallurgy | 3 | Expired |
| US4339352A | Sorptive clay composition and method of manufacture | Performing Operations; Transporting | 2 | Expired |
| US4201750A | Processing of breunnerite to recover magnesium compounds | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.