Fieldbus Foundation
11Patents
4Active
11Granted
42Portfolio score
Filing activity: Aug 21, 1997 → Jul 3, 2008 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6424872B1 | Block oriented control system | Emerging Cross-Sectional Technologies | 149 | Expired |
| US6999824B2 | System and method for implementing safety instrumented systems in a fieldbus architecture | Physics | 107 | Expired |
| US6826590B1 | Block-oriented control system on high speed ethernet | Emerging Cross-Sectional Technologies | 90 | Expired |
| US7146230B2 | Integrated fieldbus data server architecture | Emerging Cross-Sectional Technologies | 80 | Expired |
| US7272457B2 | Flexible function blocks | Physics | 73 | Expired |
| US7167762B2 | System and method for implementing safety instrumented systems in a fieldbus architecture | Physics | 70 | Expired |
| US6594530B1 | Block-oriented control system | Emerging Cross-Sectional Technologies | 52 | Expired |
| US7486999B2 | System and method for implementing safety instrumented systems in a fieldbus architecture | Physics | 8 | Active |
| US8676357B2 | System and method for implementing an extended safety instrumented system | Emerging Cross-Sectional Technologies | 5 | Active |
| US7489977B2 | System and method for implementing time synchronization monitoring and detection in a safety instrumented system | Physics | 5 | Active |
| US8539110B2 | Block-orientated control system having wireless gateway for communication with wireless field devices | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.