PowerSines Ltd.
23Patents
1Active
23Granted
37Portfolio score
Filing activity: Feb 11, 1998 → Jul 16, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6473608B1 | Structure cabling system | Electricity | 256 | Expired |
| US6643566B1 | System for power delivery over data communication cabling infrastructure | Electricity | 169 | Expired |
| US6049471A | Controller for pulse width modulation circuit using AC sine wave from DC input signal | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6764343B2 | Active local area network connector | Electricity | 97 | Expired |
| US6841979B2 | Power distribution with digital current control | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6986071B2 | Detecting network power connection status using AC signals | Electricity | 83 | Expired |
| US5828558A | PWN controller use with open loop flyback type DC to AC converter | Emerging Cross-Sectional Technologies | 83 | Expired |
| US6996458B2 | Power over ethernet switch node for use in power pooling | Electricity | 76 | Expired |
| US7046983B2 | Integral board and module for power over LAN | Electricity | 74 | Expired |
| US7145439B2 | Powered device interface circuit | Emerging Cross-Sectional Technologies | 63 | Expired |
| US7170194B2 | Configurable multiple power source system | Electricity | 55 | Expired |
| US6985713B2 | Data communication network providing power over network connections with node identification functionality | Electricity | 54 | Expired |
| US7159129B2 | Supply interface unit for direct current power pooling | Electricity | 47 | Expired |
| US7117272B2 | Interchangeable power over Ethernet module | Physics | 40 | Expired |
| US6909943B2 | System for power delivery over data communication cabling infrastructure | Electricity | 29 | Expired |
| US6650554B2 | Power factor corrector with efficient ripple attenuator | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7225345B2 | Employing sense resistor as safety fuse in limited power source applications | Physics | 21 | Expired |
| US7146258B2 | Direct current power pooling | Electricity | 17 | Expired |
| US7142951B2 | Direct current power pooling for an ethernet network | Electricity | 17 | Expired |
| US7040926B2 | Local area network connector for use as a separator | Electricity | 14 | Expired |
| US6916206B2 | Active local area network connector with line interogation | Electricity | 13 | Expired |
| US7006815B2 | Power supply subsystem for powering a node over communication cabling | Electricity | 9 | Expired |
| US8159175B2 | Variable voltage supply system | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.