Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8191726 | Can end having curved end panel surfaces | — | 2012-06-05 |
| 8047754 | Tooling for making easy open can end | — | 2011-11-01 |
| 7922025 | Easy open can end with high pressure venting | — | 2011-04-12 |
| 7909555 | Tool for making easy open can end with high pressure venting | — | 2011-03-22 |
| 7784322 | Method of making an open can end with high pressure venting | — | 2010-08-31 |
| 7784323 | Method of making an easy open can end with high pressure venting | — | 2010-08-31 |
| 7721906 | Easy open can end with high pressure venting | — | 2010-05-25 |
| 7673491 | Method for testing can ends | — | 2010-03-09 |
| 7673490 | Method of making an easy open can end with high pressure venting | — | 2010-03-09 |
| 7559222 | Method for testing can ends | — | 2009-07-14 |
| 7552612 | Systems for making can ends | — | 2009-06-30 |
| 7493790 | Process of making easy open can end | — | 2009-02-24 |
| 7344041 | Easy open can end with cut protection | William A. Kirk | 2008-03-18 |
| 7225944 | Spoon leveling protected can end | William A. Kirk | 2007-06-05 |
| 7147122 | Easy open can end | — | 2006-12-12 |
| D520358 | Can end | — | 2006-05-09 |
| 6702538 | Method and apparatus for forming a can end with minimal warpage | William A. Kirk | 2004-03-09 |
| 6685417 | Safety container end having improved opening characteristics | William A. Kirk | 2004-02-03 |
| 6575684 | Die for stay—on—tab | Trevor Price | 2003-06-10 |
| 6401956 | Safety container end having improved opening characteristics | William A. Kirk | 2002-06-11 |
| 6164480 | Can lid with stay-on-tab | Trevor Price | 2000-12-26 |