Clearwell Systems, Inc.
6Patents
6Active
6Granted
51Portfolio score
Filing activity: Jul 13, 2006 → Apr 16, 2008 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7743051B1 | Methods, systems, and user interface for e-mail search and retrieval | Physics | 238 | Active |
| US7899871B1 | Methods and systems for e-mail topic classification | Electricity | 227 | Active |
| US7593995B1 | Methods and systems of electronic message threading and ranking | Emerging Cross-Sectional Technologies | 190 | Active |
| US8032598B1 | Methods and systems of electronic message threading and ranking | Emerging Cross-Sectional Technologies | 136 | Active |
| US7657603B1 | Methods and systems of electronic message derivation | Emerging Cross-Sectional Technologies | 31 | Active |
| US8171393B2 | Method and system for producing and organizing electronically stored information | Physics | 16 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.