Tut Systems, Inc.
🏢 View company profile →43Patents
7Active
43Granted
39Portfolio score
Filing activity: Jul 16, 1993 → Dec 14, 2007 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6496858B1 | Remote reconfiguration of a secure network interface | Electricity | 207 | Expired |
| US5696790A | Method and apparatus for time dependent data transmission | Electricity | 181 | Expired |
| US6457175B1 | Method and apparatus for installing a software upgrade within a memory resource associated with a computer system | Physics | 119 | Expired |
| US6735217B1 | Method and apparatus for detecting collisions on a network using multi-cycle waveform pulses | Electricity | 116 | Expired |
| US8054880B2 | Parallel rate control for digital video encoder with multi-processor architecture and picture-based look-ahead window | Electricity | 112 | Active |
| US6678321B1 | Method and apparatus for transmitting and receiving a symbol over pots wiring using a multi-cycle waveform | Electricity | 106 | Expired |
| US5587692A | Common mode current cancellation in twisted pairs | Electricity | 105 | Expired |
| US6292517A | Method and apparatus for detecting a data signal on a carrier medium | Electricity | 104 | Expired |
| US5963595A | Method and apparatus for encoding and decoding a bit sequence for transmission over POTS wiring | Electricity | 99 | Expired |
| US5963539A | Method and apparatus for detecting collisions on a network | Electricity | 98 | Expired |
| US6771774B1 | Filter arrangement for shaping a pulse propagated over pots wiring, and a method of manufacturing the same | Electricity | 97 | Expired |
| US5379005A | Flat cable to flat parallel wire cable | Electricity | 81 | Expired |
| US7099389B1 | Rate control with picture-based lookahead window | Electricity | 80 | Expired |
| US6557105B1 | Apparatus and method for cryptographic-based license management | Physics | 72 | Expired |
| US5812597A | Circuit for preventing base line wander of digital signals in a network receiver | Electricity | 49 | Expired |
| US5982741A | Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device | Electricity | 42 | Expired |
| US6553062B1 | Apparatus and method for selecting communication speeds on data signal line | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5347225A | Network monitor and test apparatus | Electricity | 22 | Expired |
| US5365515A | Network monitor and test apparatus | Electricity | 20 | Expired |
| US6650620B1 | Resource constrained routing in active networks | Electricity | 20 | Expired |
| US6289015A | Method and apparatus for the secure switching of a packet within a communications network | Electricity | 17 | Expired |
| US5450594A | Enhanced collision detection for ethernet network | Electricity | 17 | Expired |
| US5467061A | Flat cable to flat parallel wire cable | Electricity | 16 | Expired |
| US5422919A | EMI suppression coding | Electricity | 15 | Expired |
| US8036237B2 | System and method for transparent virtual routing | Electricity | 14 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.