CONTROL TECHNOLOGY CORPORATION
14Patents
1Active
14Granted
36Portfolio score
Filing activity: Feb 9, 1979 → Mar 14, 2013
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5805442A | Distributed interface architecture for programmable industrial control systems | Emerging Cross-Sectional Technologies | 596 | Expired |
| US5982362A | Video interface architecture for programmable industrial control systems | Physics | 247 | Expired |
| US5975737A | Distributed interface architecture for programmable industrial control systems | Emerging Cross-Sectional Technologies | 244 | Expired |
| US6201996A | Object-oriented programmable industrial controller with distributed interface architecture | Emerging Cross-Sectional Technologies | 193 | Expired |
| US5950006A | Object-oriented programmable controller | Physics | 185 | Expired |
| US5997167A | Programmable controller including diagnostic and simulation facilities | Emerging Cross-Sectional Technologies | 98 | Expired |
| US4315162A | Reserve power supply for computers | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4703191A | Reserve power source with power failure detection apparatus | Electricity | 45 | Expired |
| US6114825A | Method and apparatus for state path generation in a controlled system | Physics | 21 | Expired |
| US4560886A | Alternating current power source | Electricity | 11 | Expired |
| US4362951A | Cycle charge standby power system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4278966A | Visual signaling system | Physics | 3 | Expired |
| US4703192A | Alternating current power source with improved phase adjusting capability | Electricity | 1 | Expired |
| US9823640B2 | Networked programmable industrial controllers | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.