Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091290 | Punch rivet and die | Wolfgang Wenzl | 2015-07-28 |
| 8506228 | Punch rivet and die | Wolfgang Wenzl | 2013-08-13 |
| 8348565 | Rivet | Ziad Khalil | 2013-01-08 |
| 7955035 | Rivet | Ziad Khalil, Peter Simon | 2011-06-07 |
| 6663329 | Self-penetrating fastening rivet | Stuart Edmond Blacket, Trevor B. Jones, Howard J. Litherland | 2003-12-16 |
| 6385843 | Self-penetrating fastening system | Stuart Edmond Blacket, Trevor B. Jones, Howard J. Litherland | 2002-05-14 |
| 5752305 | Self-piercing riveting method and apparatus | Alf Cotterill, Stuart Edmond Blacket | 1998-05-19 |
| 4329561 | Method of ensuring the maintenance of constant quality of spot welds | Rolf Schafer | 1982-05-11 |