Flying Null Limited
17Patents
0Active
17Granted
34Portfolio score
Filing activity: Apr 22, 1997 → May 30, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6076007A | Surgical devices and their location | Physics | 147 | Expired |
| US6144300A | Spatial magnetic interrogation | Emerging Cross-Sectional Technologies | 135 | Expired |
| US6323770A | Apparatus for interrogating a magnetically coded tag | Emerging Cross-Sectional Technologies | 92 | Expired |
| US6323769A | Apparatus for interrogating a magnetically coded tag | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6329916A | Magnetic marker or tag | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6373388B1 | Coding articles | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6371379B1 | Magnetic tags or markers | Physics | 54 | Expired |
| US6054924A | Magnetic markers | Physics | 24 | Expired |
| US6230972A | Magnetic reading devices | Physics | 23 | Expired |
| US6486655B1 | Magnetic position sensing techniques | Physics | 18 | Expired |
| US5965214A | Methods for coding magnetic tags | Physics | 15 | Expired |
| US6204766A | Multi-layer magnetic tag | Physics | 12 | Expired |
| US6369965B1 | Magnetic interrogation techniques | Physics | 8 | Expired |
| US6595419B1 | Shielded magnetic reading devices | Physics | 8 | Expired |
| US6889906B1 | Information coding techniques | Physics | 2 | Expired |
| US6491221B1 | Security documents | Performing Operations; Transporting | 2 | Expired |
| US6817536B1 | Coded label information extraction method | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.