Rut Heemskerk
6Patents
4h-index
24Co-inventors
57Inventor score
Filing activity: Oct 16, 1985 → Mar 31, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5772338A | Flange or raceway guided plastic cage for bearing assembly | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4637740A | Bearing bushing for universal joints | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5382099A | Bearing assembly comprising a radial and axial bearing | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7073948B2 | Roller bearing | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8414193B2 | Retaining element for a roller bearing | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6979132B2 | Cylindrical roller bearing and process for its assembly | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.