Escher Group, Ltd.
15Patents
6Active
15Granted
40Portfolio score
Filing activity: Oct 13, 1995 → Mar 26, 2019 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7069295B2 | Peer-to-peer enterprise storage | Electricity | 73 | Expired |
| USD401920S | Computer video display terminal screen with wallpaper and icon | General | 63 | Expired |
| US7251347B2 | System and method for authentication of a workpiece using three dimensional shape recovery | Physics | 57 | Expired |
| US7243103B2 | Peer to peer enterprise storage system with lexical recovery sub-system | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6349292B1 | System and method for distributing postage over a public network, enabling efficient printing of postal indicia on items to be mailed and authenticating the printed indicia | Physics | 37 | Expired |
| US7983995B2 | System and method for dispensing, sorting and delivering prescription and non-prescription medications through the post office | Physics | 16 | Active |
| US6609117B2 | System and method for distributing postage over a public network, enabling efficient printing of postal indicia on items to be mailed and authenticating the printed indicia | Physics | 16 | Expired |
| US7035428B1 | Workpiece authentication based upon one or more workpiece images | Physics | 15 | Expired |
| US8527284B2 | System for personal mail piece tracking and tracing from multiple sources by user identifier | Electricity | 4 | Expired |
| USD450759S | Postal indicia for an envelope | General | 3 | Expired |
| US10304026B2 | System for personal mail piece tracking and tracing from multiple sources by user identifier | Electricity | 3 | Active |
| US7627832B2 | Dynamically placing resources within a graphical user interface | Physics | 2 | Active |
| US8874451B2 | Personal mail piece and electronic mail tracking system | Electricity | 1 | Active |
| US11475392B2 | System for personal mail piece tracking and tracing from multiple sources by user identifier | Electricity | 0 | Active |
| US8090653B2 | Automated accounting system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.