Corrigent Systems Ltd.
55Patents
26Active
55Granted
46Portfolio score
Filing activity: Jan 8, 2001 → May 31, 2011 · 25 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7339929B2 | Virtual private LAN service using a multicast protocol | Electricity | 280 | Expired |
| US7142516B2 | Performance monitoring of high speed communications networks | Electricity | 96 | Expired |
| US7386010B2 | Multiprotocol media conversion | Electricity | 61 | Expired |
| US7551599B2 | Layer-3 network routing with RPR layer-2 visibility | Electricity | 56 | Active |
| US7283465B2 | Hierarchical virtual private LAN service protection scheme | Electricity | 51 | Expired |
| US7336605B2 | Bandwidth allocation for link aggregation | Electricity | 36 | Expired |
| US6876669B2 | Packet fragmentation with nested interruptions | Electricity | 34 | Expired |
| US7127523B2 | Spanning tree protocol traffic in a transparent LAN | Electricity | 33 | Expired |
| US7974223B2 | Virtual private LAN service over ring networks | Electricity | 33 | Active |
| US7974202B2 | Tunnel provisioning with link aggregation | Emerging Cross-Sectional Technologies | 31 | Active |
| US7697525B2 | Forwarding multicast traffic over link aggregation ports | Emerging Cross-Sectional Technologies | 30 | Active |
| US8014394B2 | High-speed processing of multicast content requests | Electricity | 29 | Active |
| US7113485B2 | Latency evaluation in a ring network | Electricity | 28 | Expired |
| US7545740B2 | Two-way link aggregation | Emerging Cross-Sectional Technologies | 23 | Active |
| US7593400B2 | MAC address learning in a distributed bridge | Electricity | 23 | Active |
| US7768928B2 | Connectivity fault management (CFM) in networks with link aggregation group connections | Emerging Cross-Sectional Technologies | 22 | Active |
| US6891855B2 | Dynamic packet fragmentation | Electricity | 22 | Expired |
| US7035279B2 | Flow allocation in a ring topology | Electricity | 22 | Expired |
| US6952397B2 | Communication in a bidirectional ring network with single-direction receiving | Electricity | 22 | Expired |
| US6917986B2 | Fast failure protection using redundant network edge ports | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7133415B2 | SONET circuit emulation with VT compression | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7283478B2 | Traffic engineering in bi-directional ring networks | Electricity | 15 | Expired |
| US7626930B2 | Hash-based multi-homing | Emerging Cross-Sectional Technologies | 15 | Active |
| US6892329B2 | Selective protection for ring topologies | Electricity | 14 | Expired |
| US7054264B2 | Interconnect and gateway protection in bidirectional ring networks | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.