Technical Operations Limited
12Patents
0Active
12Granted
31Portfolio score
Filing activity: Oct 23, 1965 → Mar 13, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3947105A | Production of colored designs | Physics | 70 | Expired |
| US4225790A | Storage reel assembly | Physics | 46 | Expired |
| US4281252A | Coupling apparatus for portable radiography systems | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4384240A | Regenerative braking system for three-terminal d.c. motor | Electricity | 12 | Expired |
| US4118107A | Optical detection of geometric configurations | Physics | 9 | Expired |
| US4385266A | Field weakening system for pulse-controlled three-terminal d.c. motor | Electricity | 9 | Expired |
| US4211928A | Linear storage projector | Physics | 8 | Expired |
| US3945731A | Color control system for optical image apparatus | Physics | 5 | Expired |
| US4063799A | Photographic imaging | Physics | 5 | Expired |
| US4003634A | Optical control assembly for a color design viewer | Physics | 4 | Expired |
| US4406979A | Fail-safe system for pulse-controlled three-terminal d.c. motor | Electricity | 2 | Expired |
| US4163154A | Neutron personnel dosimeter | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.