Robert R. Freeman
14Patents
5h-index
10Co-inventors
63Inventor score
Filing activity: Feb 25, 1986 → Apr 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4902965A | Consumption meter for accumulating digital power consumption signals via telephone lines without disturbing the consumer | Physics | 66 | Expired |
| US4837016A | Protozoal antigen | Emerging Cross-Sectional Technologies | 16 | Expired |
| US9585768B2 | Acetabular cup prosthesis alignment system and method | Human Necessities | 12 | Active |
| US9095448B2 | Method of using an alignment guide | Human Necessities | 10 | Active |
| US10265193B2 | Acetabular cup prosthesis alignment system and method | Human Necessities | 7 | Active |
| US11026811B2 | Acetabular cup prosthesis alignment system and method | Human Necessities | 5 | Active |
| US9295566B2 | Alignment guide | Human Necessities | 4 | Active |
| US4702115A | Sample injection timer for chromatographic apparatus | Physics | 2 | Expired |
| US9114027B2 | Alignment guide | Human Necessities | 0 | Active |
| US9084687B2 | Orientation guide | Human Necessities | 0 | Active |
| US9693879B2 | Alignment guide with spirit level | Human Necessities | 0 | Active |
| US12274628B2 | Acetabular cup prosthesis alignment system and method | Human Necessities | 0 | Active |
| US9603722B2 | Alignment guide | Human Necessities | 0 | Active |
| US11660209B2 | Acetabular cup prosthesis alignment system and method | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.