Michael E. Norman
5Patents
3h-index
12Co-inventors
54Inventor score
Filing activity: Jun 28, 1976 → Dec 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6230811A | Internal pressure operated circulating valve with annulus pressure operated safety mandrel | Fixed Constructions | 38 | Expired |
| US8775552B1 | Methods and systems for distribution of technical manuals | Physics | 18 | Active |
| US4909482A | Vehicle winch with retractable hitch | Performing Operations; Transporting | 7 | Expired |
| US4141281A | Pressure fluid operated feed drive system for a movable member | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11727078B2 | Management of client devices for maintenance of a structural product | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.