Robert D. Foster
12Patents
7h-index
9Co-inventors
59Inventor score
Filing activity: Sep 30, 1977 → Apr 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4639252A | Venous return catheter | Human Necessities | 182 | Expired |
| US4576316A | Dispensing bag | Performing Operations; Transporting | 50 | Expired |
| US4252760A | Method and apparatus for manufacturing articles by pressing and sintering | Performing Operations; Transporting | 22 | Expired |
| US4937025A | Molding apparatus and method | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4117250A | Continuous process for producing alkylene glycols from alkylene carbonates | Chemistry; Metallurgy | 11 | Expired |
| US4205544A | Apparatus for bending corrugated pipe | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4370120A | Compacting press with expandable body | Performing Operations; Transporting | 8 | Expired |
| US4159189A | Tie-in method and apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4349326A | Apparatus for manufacturing articles by pressing and sintering | Performing Operations; Transporting | 5 | Expired |
| US4486187A | Method making a dispensing bag | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4470803A | Method and apparatus for manufacturing articles by pressing and sintering | Performing Operations; Transporting | 3 | Expired |
| US10251543B2 | Optometry apparatus and method for subjective measurement using optometric chart | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.