Servimetal
Records under this name other than patents Servimetal holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Servimetal
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,068,513 | Method of drawing light metals and alloys at very high speeds Term ended Term ended no later than Jan 17, 1998 · Low confidence | Term ended | Term ended no later than Jan 17, 1998 | Low confidence |
| US 4,099,965 | Method of using MgCl.sub.2 -KCl flux for purification of an aluminum alloy preparation Term ended Term ended no later than Jul 11, 1998 · Low confidence | Term ended | Term ended no later than Jul 11, 1998 | Low confidence |
| US 4,139,934 | Process for manufacturing floats for continuous casting Term ended Term ended no later than Feb 20, 1999 · Low confidence | Term ended | Term ended no later than Feb 20, 1999 | Low confidence |
| US 4,334,990 | Cartridge for active filtration and treatment of liquid metals and alloys Term ended Term ended no later than Jun 15, 2002 · Low confidence | Term ended | Term ended no later than Jun 15, 2002 | Low confidence |
| US 4,402,741 | Process for the precise and continuous injection of a halogenated derivative in the gaseous state into a liquid metal Term ended Term ended no later than Sep 6, 2003 · Low confidence | Term ended | Term ended no later than Sep 6, 2003 | Low confidence |
| US 4,418,028 | Filtration block for liquid metals and alloys, with a mechanical and physical-chemical effect Term ended Term ended no later than Nov 29, 2003 · Low confidence | Term ended | Term ended no later than Nov 29, 2003 | Low confidence |
| US 4,457,496 | Filtration block for liquid metals and alloys, with a mechanical and physical-chemical effect Term ended Term ended no later than Jul 3, 2004 · Low confidence | Term ended | Term ended no later than Jul 3, 2004 | Low confidence |
| US 4,840,353 | Apparatus for studying quenching fluids and quenchability of materials Term ended Term ended no later than Jun 20, 2009 · Low confidence | Term ended | Term ended no later than Jun 20, 2009 | Low confidence |