Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411206 | Method and system for detecting the position of an edge of a web | Andrew Kalnajs | 2008-08-12 |
| 7372061 | Method and system for detecting the position of an edge of a web | Andrew Kalnajs | 2008-05-13 |
| 7075099 | Method and system for detecting the position of an edge of a web | Andrew Kalnajs | 2006-07-11 |
| 6566670 | Method and system for guiding a web of moving material | Andrew Kalnajs | 2003-05-20 |
| 5834877 | Ultrasonic transducer units for web detection and the like | Andrew Kalnajs | 1998-11-10 |
| 5274573 | Ultrasonic web edge detection method and apparatus | Erich T. Ziemann, James Hugo Martyn | 1993-12-28 |
| 5072414 | Ultrasonic web edge detection method and apparatus | Erich T. Ziemann, James Hugo Martyn | 1991-12-10 |