Technigaz
Records under this name other than patents Technigaz holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,934,152 | Enclosure for confining radio-active products or waste Term ended Term ended no later than Jan 20, 1996 · Low confidence | Term ended | Term ended no later than Jan 20, 1996 | Low confidence |
| US 3,957,170 | Supporting device for a rigid vehicle-borne heat-insulated tank Term ended Term ended no later than May 18, 1996 · Low confidence | Term ended | Term ended no later than May 18, 1996 | Low confidence |
| US 4,003,174 | Method of mounting a composite wall structure and corresponding wall structure thus obtained Term ended Term ended no later than Jan 18, 1997 · Low confidence | Term ended | Term ended no later than Jan 18, 1997 | Low confidence |
| US 4,021,982 | Heat insulating wall structure for a fluid-tight tank and the method of making same Term ended Term ended no later than May 10, 1997 · Low confidence | Term ended | Term ended no later than May 10, 1997 | Low confidence |
| US 4,054,431 | Method and device for regenerating an impure effluent fluid and product obtained thereby Term ended Term ended no later than Oct 18, 1997 · Low confidence | Term ended | Term ended no later than Oct 18, 1997 | Low confidence |
| US 4,060,263 | Conduit for conveying a fluid, the temperature of which is different from the surrounding temperature Term ended Term ended no later than Nov 29, 1997 · Low confidence | Term ended | Term ended no later than Nov 29, 1997 | Low confidence |
| US 4,090,538 | System for loading and unloading at sea a transportation ship conveying incoherent products Term ended Term ended no later than May 23, 1998 · Low confidence | Term ended | Term ended no later than May 23, 1998 | Low confidence |
| US 4,105,819 | Laminated sheets particularly for cryogenic enclosures, pipes, and the like Term ended Term ended no later than Aug 8, 1998 · Low confidence | Term ended | Term ended no later than Aug 8, 1998 | Low confidence |
| US 4,128,069 | Method of mounting a heat-insulating composite wall structure in a liquefied gas transportation and/or storage tank Term ended Term ended no later than Dec 5, 1998 · Low confidence | Term ended | Term ended no later than Dec 5, 1998 | Low confidence |
| US 4,133,181 | Method of assembling and laying a conduit for conveying a fluid between an on-shore point of a coastal region and an advanced off-shore point Term ended Term ended no later than Jan 9, 1999 · Low confidence | Term ended | Term ended no later than Jan 9, 1999 | Low confidence |