Webscan, Inc.
13Patents
5Active
13Granted
38Portfolio score
Filing activity: Dec 19, 1995 → Jul 19, 2012 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6036091A | Method and apparatus supporting high speed evaluation of bar code indicia | Physics | 44 | Expired |
| US6325288A | Self-contained scanning and verifying apparatus with movably mounted scanning unit | Physics | 43 | Expired |
| US5914474A | Methods of calibrating bar code evaluation systems | Physics | 36 | Expired |
| US6000616A | Methods to determine and selectively sample positive and negative peak values occurring within a scan reflectance profile signal | Physics | 27 | Expired |
| US5939697A | Bar code evaluation system architectures and methods of calibration | Physics | 25 | Expired |
| US5633488A | Method and apparatus to enable the high speed evaluation of bar code indicia | Physics | 24 | Expired |
| US5729001A | Method for evaluating a succession of bar code symbols | Physics | 24 | Expired |
| US7661596B1 | Symbology-based self-configuring verifier | Physics | 17 | Active |
| US6000615A | Methods for scanning a succession of bar code symbols | Physics | 14 | Expired |
| US8336780B1 | Windowed housing with rotatable imaging device | Physics | 1 | Active |
| US8938185B1 | Non-detachable cover and slotted hinge assembly | Physics | 1 | Active |
| US8390824B1 | Laser based focusing method | Physics | 1 | Active |
| US8605953B1 | Hand operated line verifier with position determining module | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.