Network Appliance, Inc.
543Patents
222Active
543Granted
56Portfolio score
Filing activity: May 31, 1995 → Dec 2, 2011 · 212 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6718361B1 | Method and apparatus for reliable and scalable distribution of data files in distributed networks | Emerging Cross-Sectional Technologies | 1,801 | Expired |
| US5819292A | Method for maintaining consistent states of a file system and for creating user-accessible read-only copies of a file system | Emerging Cross-Sectional Technologies | 949 | Expired |
| US7669029B1 | Load balancing a data storage system | Physics | 590 | Active |
| US5963962A | Write anywhere file-system layout | Emerging Cross-Sectional Technologies | 515 | Expired |
| US7437530B1 | System and method for mapping file block numbers to logical block addresses | Physics | 489 | Expired |
| US8620970B2 | Methods and apparatus for changing versions of a filesystem | Physics | 479 | Active |
| US6038570A | Method for allocating files in a file system integrated with a RAID disk sub-system | Emerging Cross-Sectional Technologies | 405 | Expired |
| US7039827B2 | Failover processing in a storage system | Physics | 397 | Expired |
| US6289356A | Write anywhere file-system layout | Emerging Cross-Sectional Technologies | 353 | Expired |
| US6604118B2 | File system image transfer | Emerging Cross-Sectional Technologies | 312 | Expired |
| US6944785B2 | High-availability cluster virtual server system | Electricity | 275 | Expired |
| US6892211B2 | Copy on write file system consistency and block usage | Emerging Cross-Sectional Technologies | 269 | Expired |
| US6728748B1 | Method and apparatus for policy based class of service and adaptive service level management within the context of an internet and intranet | Electricity | 268 | Expired |
| US7225204B2 | System and method for asynchronous mirroring of snapshots at a destination using a purgatory directory and inode mapping | Emerging Cross-Sectional Technologies | 265 | Expired |
| US6993539B2 | System and method for determining changes in two snapshots and for transmitting changes to destination snapshot | Emerging Cross-Sectional Technologies | 255 | Expired |
| US7529836B1 | Technique for throttling data access requests | Physics | 248 | Active |
| US7373364B1 | System and method for creating a point-in-time restoration of a database file | Emerging Cross-Sectional Technologies | 243 | Expired |
| US7467167B2 | System and method for coalescing a plurality of snapshots | Physics | 235 | Expired |
| US7107385B2 | Storage virtualization by layering virtual disk objects on a file system | Emerging Cross-Sectional Technologies | 234 | Expired |
| US7933936B2 | Method and system for automatic management of storage space | Physics | 232 | Active |
| US8046378B1 | Universal quota entry identification | Emerging Cross-Sectional Technologies | 229 | Active |
| US6138126A | Method for allocating files in a file system integrated with a raid disk sub-system | Emerging Cross-Sectional Technologies | 222 | Expired |
| US6748447B1 | Method and apparatus for scalable distribution of information in a distributed network | Electricity | 207 | Expired |
| US5948110A | Method for providing parity in a raid sub-system using non-volatile memory | Physics | 194 | Expired |
| US5950225A | Fly-by XOR for generating parity for data gleaned from a bus | Physics | 177 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.