AB Celleco
Records under this name other than patents AB Celleco holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,935,109 | Straining apparatus Term ended Term ended no later than Jan 27, 1996 · Low confidence | Term ended | Term ended no later than Jan 27, 1996 | Low confidence |
| US 3,959,150 | Cyclone separator assembly Term ended Term ended no later than May 25, 1996 · Low confidence | Term ended | Term ended no later than May 25, 1996 | Low confidence |
| US 4,134,827 | Hydrocyclone separator Term ended Term ended no later than Jan 16, 1999 · Low confidence | Term ended | Term ended no later than Jan 16, 1999 | Low confidence |
| US 4,153,558 | Hydrocyclone separator Term ended Term ended no later than May 8, 1999 · Low confidence | Term ended | Term ended no later than May 8, 1999 | Low confidence |
| US 4,175,036 | Hydrocyclone separator Term ended Term ended no later than Nov 20, 1999 · Low confidence | Term ended | Term ended no later than Nov 20, 1999 | Low confidence |
| US 4,211,643 | Hydrocyclone separator Term ended Term ended no later than Jul 8, 2000 · Low confidence | Term ended | Term ended no later than Jul 8, 2000 | Low confidence |
| US 4,238,208 | Apparatus for degassing paper stock Term ended Term ended no later than Dec 9, 2000 · Low confidence | Term ended | Term ended no later than Dec 9, 2000 | Low confidence |
| US 4,278,534 | Method for separation of material mixtures, containing abrasive particles, in a hydrocyclone separator Term ended Term ended no later than Jul 14, 2001 · Low confidence | Term ended | Term ended no later than Jul 14, 2001 | Low confidence |
| US 4,333,572 | Separation of pulp flow Term ended Term ended no later than Jun 8, 2002 · Low confidence | Term ended | Term ended no later than Jun 8, 2002 | Low confidence |
| US 4,334,986 | Separator for a mixture of a suspension and coarse heavy particles Term ended Term ended no later than Jun 15, 2002 · Low confidence | Term ended | Term ended no later than Jun 15, 2002 | Low confidence |