Richard H. Hewett
15Patents
4h-index
10Co-inventors
57Inventor score
Filing activity: Jul 1, 1986 → Jul 20, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5416061A | Herbicidal combinations of bromoxynil with selected 2-benzoylcyclohexane-1,3-diones | Human Necessities | 76 | Expired |
| US6046133A | Herbicidal compositions | Human Necessities | 6 | Expired |
| US5264411A | Herbicidal method comprising the use of diflufenican | Human Necessities | 6 | Expired |
| US4875925A | Herbicidal method using diflufenican | Human Necessities | 4 | Expired |
| US5552367A | Synergistic herbicidal compositions comprising 4-benzoylisoxazole and dinitroaniline herbicides | Human Necessities | 3 | Expired |
| US9957679B2 | Rear mounted snow plow system for an automobile | Fixed Constructions | 2 | Active |
| US4940484A | Herbicidal method comprising the use of diflufenican | Human Necessities | 2 | Expired |
| US4990177A | Herbicidal method using diflufenican | Human Necessities | 2 | Expired |
| US5013353A | Herbicidal method using diflufenican | Human Necessities | 2 | Expired |
| US6660692B1 | Herbicidal compositions comprising picolinafen | Human Necessities | 2 | Expired |
| US4929271A | Herbicidal method using diflufenican | Human Necessities | 1 | Expired |
| US6028031A | Herbicidal compositions | Human Necessities | 1 | Expired |
| US5962370A | Herbicidal compositions comprising a 4-benzoylisoxazole and a triazine herbicide | Human Necessities | 1 | Expired |
| US5405826A | Herbicidal pyridopyridazinones and pyridopyridazinethiones | Human Necessities | 1 | Expired |
| US5795846A | Herbicidal compositions | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.