Robert Black
4Patents
0Active
4Granted
26Portfolio score
Filing activity: Apr 18, 1974 → Jun 23, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5508613A | Apparatus for cooling NMR coils | Physics | 46 | Expired |
| US6211128A | Toilet bowl cleaning and sanitizing composition and method of using same | Fixed Constructions | 10 | Expired |
| US4025291A | Energy conversion system | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6192524A | Toilet bowl cleaning and sanitizing composition and system and method of using same | Fixed Constructions | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.