Filter Materials, Inc.
Records under this name other than patents Filter Materials, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to Filter Materials, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,925,602 | Method for improving the crimping of polyolefin filter tow Term ended Term ended no later than May 15, 2010 · Low confidence | Term ended | Term ended no later than May 15, 2010 | Low confidence |
| US 5,020,198 | Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers Term ended Term ended no later than Jun 4, 2011 · Low confidence | Term ended | Term ended no later than Jun 4, 2011 | Low confidence |
| US 5,025,815 | Polyolefin filter tow and method of making it Term ended Term ended no later than Jun 25, 2011 · Low confidence | Term ended | Term ended no later than Jun 25, 2011 | Low confidence |
| US 5,104,367 | Pinned rollers and process for manufacturing fibrillated film Term ended Term ended no later than Apr 14, 2012 · Low confidence | Term ended | Term ended no later than Apr 14, 2012 | Low confidence |
| US 5,316,827 | Crimped textile fibers and stuffer box apparatus and methods for crimping textile fibers Term ended Term ended no later than May 31, 2014 · Low confidence | Term ended | Term ended no later than May 31, 2014 | Low confidence |