David A. Downs
9Patents
6h-index
8Co-inventors
48Inventor score
Filing activity: Jun 2, 1983 → Mar 5, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4929734A | Tetrahydropyridine oxime compounds | Human Necessities | 66 | Expired |
| US4710508A | O-substituted tetrahydropyridine oxime cholinergic agents | Human Necessities | 35 | Expired |
| US4786648A | O-substituted tetrahydropyridine oxime cholinergic agents | Chemistry; Metallurgy | 19 | Expired |
| US4540780A | Diphenylmethylene piperidines | Chemistry; Metallurgy | 12 | Expired |
| US4666905A | Diphenylmethylene piperidines compositions and methods for their use | Chemistry; Metallurgy | 10 | Expired |
| US4798841A | Tetrahydropyridine oxime cholinergic agents and method of treatment | Chemistry; Metallurgy | 6 | Expired |
| US5073561A | Methods of treating depression and psychoses | Human Necessities | 2 | Expired |
| US4640925A | Diphenylmethylene piperidines, compositions and use | Chemistry; Metallurgy | 1 | Expired |
| US4584301A | Diphenylmethylene piperidines, compositions and methods of use | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.