MagTek, Inc.
34Patents
15Active
34Granted
46Portfolio score
Filing activity: Feb 21, 1975 → Feb 27, 2018 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5814796A | Terminal for issuing and processing data-bearing documents | Physics | 284 | Expired |
| US6308886A | Terminal for issuing and processing data-bearing documents | Physics | 148 | Expired |
| US6431445B1 | Magnetic stripe card verification system | Physics | 119 | Expired |
| US7673799B2 | Card reader for use with web based transactions | Electricity | 105 | Active |
| US6098881A | Magnetic stripe card verification system | Physics | 83 | Expired |
| US5569898A | Selective card entry gate with ridged profile | Physics | 71 | Expired |
| US7703676B2 | Encrypting the output of a card reader in a card authentication system | Physics | 66 | Active |
| US6899269B1 | Magnetic stripe authentication and verification system | Physics | 64 | Expired |
| US5010240A | Composite ticket processing unit | Emerging Cross-Sectional Technologies | 64 | Expired |
| US7757953B2 | Secure magnetic stripe reader | Physics | 58 | Active |
| US8533123B2 | Systems and methods for conducting contactless payments using a mobile device and a magstripe payment card | Physics | 49 | Active |
| US4944619A | Construction for mounting an ink ribbon cassette in a heat transferable line printer | Performing Operations; Transporting | 47 | Expired |
| US5396369A | Degausser for magnetic stripe card transducing system | Physics | 40 | Expired |
| US8737623B2 | Systems and methods for remotely loading encryption keys in a card reader systems | Electricity | 28 | Active |
| US5829743A | Gear-driven card transport device | Performing Operations; Transporting | 26 | Expired |
| US5767495A | Reduced-power magnetic transducer system utilizing a magnetoresistive head | Physics | 24 | Expired |
| US3962726A | Self-clocking magnetic record sensing system | Physics | 24 | Expired |
| US5685657A | Printer belt drive for moving a card | Performing Operations; Transporting | 21 | Expired |
| US4949192A | Magnetic card transducing system | Physics | 18 | Expired |
| US7474779B2 | Check imaging device | Performing Operations; Transporting | 14 | Expired |
| USD494597S1 | Swipe and park card reader footprint | General | 10 | Expired |
| US7478751B2 | Method and apparatus for authenticating a magnetic fingerprint signal using a filter capable of isolating a remanent noise related signal component | Physics | 10 | Expired |
| US7090130B2 | Method and apparatus for generating images of magnetic fields in at least two dimensions | Physics | 9 | Expired |
| US8881254B2 | Method and system for managing virtual objects in a network | Electricity | 6 | Active |
| US8447991B2 | Card authentication system | Physics | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.