C. G. Doris
Records under this name other than patents C. G. Doris holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 6 of 6 · Back to C. G. Doris
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,938,343 | Platform structure for maritime installation Term ended Term ended no later than Feb 17, 1996 · Low confidence | Term ended | Term ended no later than Feb 17, 1996 | Low confidence |
| US 3,965,688 | Underwater structures, in particular for underwater drilling operations Term ended Term ended no later than Jun 29, 1996 · Low confidence | Term ended | Term ended no later than Jun 29, 1996 | Low confidence |
| US 4,009,584 | Method of and a device for forming a fluidtight duct transition through a wall Term ended Term ended no later than Mar 1, 1997 · Low confidence | Term ended | Term ended no later than Mar 1, 1997 | Low confidence |
| US 4,011,729 | Device for laying submarine pipelines Term ended Term ended no later than Mar 15, 1997 · Low confidence | Term ended | Term ended no later than Mar 15, 1997 | Low confidence |
| US 4,019,332 | Devices for protecting the bases of structures immersed in a volume of water against undermining Term ended Term ended no later than Apr 26, 1997 · Low confidence | Term ended | Term ended no later than Apr 26, 1997 | Low confidence |
| US 4,051,686 | Platforms resting upon the bed of a body of water Term ended Term ended no later than Oct 4, 1997 · Low confidence | Term ended | Term ended no later than Oct 4, 1997 | Low confidence |