Flakt, AB
Records under this name other than patents Flakt, AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,467,950 | Arrangement for pulling the tail of a web-like material through a drying or cooling plant Term ended Term ended no later than Aug 28, 2004 · Low confidence | Term ended | Term ended no later than Aug 28, 2004 | Low confidence |
| US 4,505,053 | Drying plant for a material web Term ended Term ended no later than Mar 19, 2005 · Low confidence | Term ended | Term ended no later than Mar 19, 2005 | Low confidence |
| US 4,514,196 | Absorption tower for gas washing Term ended Term ended no later than Apr 30, 2005 · Low confidence | Term ended | Term ended no later than Apr 30, 2005 | Low confidence |
| US 4,525,181 | Process for the removal of impurities in reacted alumina Term ended Term ended no later than Jun 25, 2005 · Low confidence | Term ended | Term ended no later than Jun 25, 2005 | Low confidence |
| US 4,602,410 | Guide vane ring for a return flow passage in axial fans and a method of producing it Term ended Term ended no later than Jul 29, 2006 · Low confidence | Term ended | Term ended no later than Jul 29, 2006 | Low confidence |
| US 4,666,402 | Method and apparatus for preheating scrap in a bucket Term ended Term ended no later than May 19, 2007 · Low confidence | Term ended | Term ended no later than May 19, 2007 | Low confidence |
| US 4,666,475 | Discharge electrode Term ended Term ended no later than May 19, 2007 · Low confidence | Term ended | Term ended no later than May 19, 2007 | Low confidence |
| US 4,671,808 | Arrangement for supporting a plurality of discharge electrodes, and a discharge electrode suited to the arrangement Term ended Term ended no later than Jun 9, 2007 · Low confidence | Term ended | Term ended no later than Jun 9, 2007 | Low confidence |
| US 4,673,417 | Rigid discharge electrode Term ended Term ended no later than Jun 16, 2007 · Low confidence | Term ended | Term ended no later than Jun 16, 2007 | Low confidence |
| US 4,674,718 | Method and apparatus for keeping railway switches free from snow Term ended Term ended no later than Jun 23, 2007 · Low confidence | Term ended | Term ended no later than Jun 23, 2007 | Low confidence |