Darrell Duffy
12Patents
9h-index
4Co-inventors
65Inventor score
Filing activity: Aug 24, 1987 → Sep 14, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4823122A | Local area network for digital data processing system | Electricity | 190 | Expired |
| US7103016B1 | System and method for providing transaction control on a data network | Electricity | 71 | Expired |
| US5058108A | Local area network for digital data processing system | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4975905A | Message transmission control arrangement for node in local area network | Electricity | 54 | Expired |
| US5621734A | Local area network with server and virtual circuits | Electricity | 50 | Expired |
| US4975904A | Local area network for digital data processing system including timer-regulated message transfer arrangement | Electricity | 46 | Expired |
| US5640506A | Integrity protection for parity calculation for raid parity cache | Physics | 46 | Expired |
| US5734659A | Computer network having a virtual circuit message carrying a plurality of session messages | Electricity | 38 | Expired |
| US6862430B1 | System and method for selecting repeaters | Electricity | 21 | Expired |
| US7796942B2 | System method for selecting repeaters | Electricity | 7 | Active |
| US7277672B2 | System and method for selecting repeaters | Electricity | 4 | Expired |
| US8340572B2 | System and method for selecting repeaters | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.