Pyreflex Corp.
Records under this name other than patents Pyreflex Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Pyreflex Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,082,414 | Heat recuperation Term ended Term ended no later than Apr 4, 1998 · Low confidence | Term ended | Term ended no later than Apr 4, 1998 | Low confidence |
| US 4,160,577 | Heat recuperator Term ended Term ended no later than Jul 10, 1999 · Low confidence | Term ended | Term ended no later than Jul 10, 1999 | Low confidence |
| US 4,188,519 | Process and apparatus for controllably exchanging heat between two bodies Term ended Term ended no later than Feb 12, 2000 · Low confidence | Term ended | Term ended no later than Feb 12, 2000 | Low confidence |
| US 4,192,646 | Heat conservation in workpieces Term ended Term ended no later than Mar 11, 2000 · Low confidence | Term ended | Term ended no later than Mar 11, 2000 | Low confidence |
| US 4,195,820 | Precise thermal processing apparatus Term ended Term ended no later than Apr 1, 2000 · Low confidence | Term ended | Term ended no later than Apr 1, 2000 | Low confidence |
| US 4,256,919 | Temperature confining devices and method Term ended Term ended no later than Mar 17, 2001 · Low confidence | Term ended | Term ended no later than Mar 17, 2001 | Low confidence |
| US 4,290,475 | Ingot casting Term ended Term ended no later than Sep 22, 2001 · Low confidence | Term ended | Term ended no later than Sep 22, 2001 | Low confidence |
| US 4,307,939 | Oscillating retroreflector Term ended Term ended no later than Dec 29, 2001 · Low confidence | Term ended | Term ended no later than Dec 29, 2001 | Low confidence |
| US 4,398,474 | Insulating structure for high temperature devices Term ended Term ended no later than Aug 16, 2003 · Low confidence | Term ended | Term ended no later than Aug 16, 2003 | Low confidence |
| US 4,463,797 | Inhibiting shrinkage pipe formation of metal casting Term ended Term ended no later than Aug 7, 2004 · Low confidence | Term ended | Term ended no later than Aug 7, 2004 | Low confidence |