Richard Wayne Hook
20Patents
10h-index
24Co-inventors
75Inventor score
Filing activity: Sep 5, 1975 → Jan 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5092255A | Seed boot extension | Human Necessities | 144 | Expired |
| US6382326B1 | Implement suspension with accumulator | Human Necessities | 83 | Expired |
| US5025951A | Electronic seed rate system for a grain drill | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7540700B2 | Grain cart with intermodal container loader | Performing Operations; Transporting | 23 | Active |
| US6684963B1 | Knock-on sweep structure | Human Necessities | 22 | Expired |
| US6223832A | Constant pressure scraper system with adjustment | Human Necessities | 21 | Expired |
| US7478683B2 | Cylinder synchronization for an implement lift system | Human Necessities | 20 | Active |
| US6585058B2 | Knock-on sweep structure and tools therefor | Human Necessities | 20 | Expired |
| US7070007B2 | Knock-on sweep structure | Human Necessities | 14 | Expired |
| US7124836B2 | Knock-on sweep structure | Human Necessities | 13 | Expired |
| US6938700B2 | Knock-on sweep structure and tools therefor | Human Necessities | 10 | Expired |
| US6591875B2 | Cart for bulk filling intermodal containers | Performing Operations; Transporting | 10 | Expired |
| US7357611B2 | Foldable shipping container bulkhead | Performing Operations; Transporting | 7 | Expired |
| US6250397A | Spring trip standard with positive stop | Human Necessities | 6 | Expired |
| US6065548A | Spring trip standard having reduced spring buckling forces | Human Necessities | 4 | Expired |
| US6250398A | Spring trip standard | Human Necessities | 4 | Expired |
| USRE29121E | Storage tank and recleaning apparatus for root crop harvesters | General | 3 | Expired |
| US7240741B2 | Knock-on sweep structure and tools therefor | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE29122E | Root crop harvester | General | 0 | Expired |
| US11766504B1 | Three-dimensional facemask with ultraviolet light and rain hood | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.