Delphax Systems
Records under this name other than patents Delphax Systems holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,155,093 | Method and apparatus for generating charged particles Term ended Term ended no later than May 15, 1999 · Low confidence | Term ended | Term ended no later than May 15, 1999 | Low confidence |
| US 4,160,257 | Three electrode system in the generation of electrostatic images Term ended Term ended no later than Jul 3, 1999 · Low confidence | Term ended | Term ended no later than Jul 3, 1999 | Low confidence |
| US 4,267,556 | Electrostatic transfer printing employing ion emitting print head Term ended Term ended no later than May 12, 2001 · Low confidence | Term ended | Term ended no later than May 12, 2001 | Low confidence |
| US 4,282,297 | Charge transfer imaging Term ended Term ended no later than Aug 4, 2001 · Low confidence | Term ended | Term ended no later than Aug 4, 2001 | Low confidence |
| US 4,365,549 | Electrostatic transfer printing Term ended Term ended no later than Dec 28, 2002 · Low confidence | Term ended | Term ended no later than Dec 28, 2002 | Low confidence |
| US 4,379,969 | Corona charging apparatus Term ended Term ended no later than Apr 12, 2003 · Low confidence | Term ended | Term ended no later than Apr 12, 2003 | Low confidence |
| US 4,381,327 | Mica-foil laminations Term ended Term ended no later than Apr 26, 2003 · Low confidence | Term ended | Term ended no later than Apr 26, 2003 | Low confidence |
| US 4,408,214 | Thermally regulated ion generation Term ended Term ended no later than Oct 4, 2003 · Low confidence | Term ended | Term ended no later than Oct 4, 2003 | Low confidence |
| US 4,409,604 | Electrostatic imaging device Term ended Term ended no later than Oct 11, 2003 · Low confidence | Term ended | Term ended no later than Oct 11, 2003 | Low confidence |
| US 4,413,049 | Anodized electrostatic imaging surface Term ended Term ended no later than Nov 1, 2003 · Low confidence | Term ended | Term ended no later than Nov 1, 2003 | Low confidence |