3Com Corporation
1,476Patents
30Active
1,476Granted
50Portfolio score
Filing activity: Mar 11, 1981 → Aug 28, 2008 · 30 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6009274A | Method and apparatus for automatically updating software components on end systems over a network | Electricity | 920 | Expired |
| US5968176A | Multilayer firewall system | Electricity | 818 | Expired |
| USD429252S | Computer icon for a display screen | General | 814 | Expired |
| US6006274A | Method and apparatus using a pass through personal computer connected to both a local communication link and a computer network for indentifying and synchronizing a preferred computer with a portable computer | Emerging Cross-Sectional Technologies | 678 | Expired |
| US6000000A | Extendible method and apparatus for synchronizing multiple files on two different computer systems | Emerging Cross-Sectional Technologies | 634 | Expired |
| US5884323A | Extendible method and apparatus for synchronizing files on two different computer systems | Emerging Cross-Sectional Technologies | 584 | Expired |
| US5994998A | Power transfer apparatus for concurrently transmitting data and power over data wires | Electricity | 574 | Expired |
| US6826283B1 | Method and system for allowing multiple nodes in a small environment to play audio signals independent of other nodes | Electricity | 544 | Expired |
| US6167567A | Technique for automatically updating software stored on a client computer in a networked client-server environment | Physics | 524 | Expired |
| US6108782A | Distributed remote monitoring (dRMON) for networks | Electricity | 495 | Expired |
| US5887139A | Configurable graphical user interface useful in managing devices connected to a network | Electricity | 490 | Expired |
| US6055236A | Method and system for locating network services with distributed network address translation | Electricity | 472 | Expired |
| US6542992B1 | Control and coordination of encryption and compression between network entities | Electricity | 439 | Expired |
| US6140911A | Power transfer apparatus for concurrently transmitting data and power over data wires | Electricity | 429 | Expired |
| US6535983B1 | System and method for signaling and detecting request for power over ethernet | Electricity | 426 | Expired |
| US5926463A | Method and apparatus for viewing and managing a configuration of a computer network | Electricity | 413 | Expired |
| US5974547A | Technique for reliable network booting of an operating system to a client computer | Physics | 400 | Expired |
| US6601101B1 | Transparent access to network attached devices | Electricity | 362 | Expired |
| US5802278A | Bridge/router architecture for high performance scalable networking | Electricity | 346 | Expired |
| US5937169A | Offload of TCP segmentation to a smart adapter | Physics | 339 | Expired |
| US6650901B1 | System and method for providing user-configured telephone service in a data network telephony system | Electricity | 327 | Expired |
| US6208629A | Method and apparatus for assigning spectrum of a local area network | Electricity | 322 | Expired |
| US6216158A | System and method using a palm sized computer to control network devices | Electricity | 316 | Expired |
| US5832489A | Method and apparatus for synchronizing information on two different computer systems | Emerging Cross-Sectional Technologies | 315 | Expired |
| US6023724A | Apparatus and methods for use therein for an | Electricity | 314 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.