Thermatool Corp.
Records under this name other than the patents Thermatool Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 12 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,037,556 | High frequency contact welding apparatus with skewed contacts Term ended Term ended Nov 11, 2018 · From the USPTO record | Term ended | Term ended Nov 11, 2018 | From the USPTO record |
| US 7,184,279 | Solid state switching circuit Lapsed on the fee record Ended Feb 27, 2015 · From the USPTO record | Lapsed on the fee record | Ended Feb 27, 2015 | From the USPTO record |
| US 3,937,914 | Method and apparatus for manufacturing welded metal tubes of finite length Term ended Term ended no later than Feb 10, 1996 · Low confidence | Term ended | Term ended no later than Feb 10, 1996 | Low confidence |
| US 4,081,648 | High frequency in-line, electrical welding apparatus for small diameter metal tubing Term ended Term ended no later than Mar 28, 1998 · Low confidence | Term ended | Term ended no later than Mar 28, 1998 | Low confidence |
| US 4,112,566 | Method of manufacturing heat exchange panels Term ended Term ended no later than Sep 12, 1998 · Low confidence | Term ended | Term ended no later than Sep 12, 1998 | Low confidence |
| US 4,136,272 | Method of manufacturing heat exchange panels Term ended Term ended no later than Jan 23, 1999 · Low confidence | Term ended | Term ended no later than Jan 23, 1999 | Low confidence |
| US 4,192,984 | Embedment of hard particles in a metal surface 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 4,197,441 | High frequency induction welding with return current paths on surfaces to be heated Term ended Term ended no later than Apr 8, 2000 · Low confidence | Term ended | Term ended no later than Apr 8, 2000 | Low confidence |
| US 4,207,451 | Multi-layered electrical induction coil subjected to large forces Term ended Term ended no later than Jun 10, 2000 · Low confidence | Term ended | Term ended no later than Jun 10, 2000 | Low confidence |
| US 4,215,259 | Surface hardening of metals using electric currents Term ended Term ended no later than Jul 29, 2000 · Low confidence | Term ended | Term ended no later than Jul 29, 2000 | Low confidence |