David W. Ewald
5Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: Jun 7, 1989 → Jun 7, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8640651B2 | Artificial fish habitat employing fish hiding units | Emerging Cross-Sectional Technologies | 9 | Active |
| US4936584A | Training device for golfers | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9204725B2 | Rocker-equipped hunting blind | Human Necessities | 4 | Active |
| US10521766B2 | Wine inventory management system and methods | Chemistry; Metallurgy | 2 | Active |
| US10602725B1 | Modular habitat apparatuses for aquatic life | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.