Itp

Also on record

Records under this name other than patents Itp holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to Itp

Patent	Title	Status	Expires	Confidence
US 7,494,155	Pipeline for the transportation of liquefied natural gas Term ended Term ended Apr 25, 2026 · From the USPTO record	Term ended	Term ended Apr 25, 2026	From the USPTO record
US 6,568,431	Double-shell pipeline exhibiting improved buckling strength Term ended Term ended May 10, 2021 · From the USPTO record	Term ended	Term ended May 10, 2021	From the USPTO record
US 6,450,207	Circumferential-weld reinforcing device Term ended Term ended Feb 21, 2021 · From the USPTO record	Term ended	Term ended Feb 21, 2021	From the USPTO record
US 6,446,321	Method for producing pipes to be connected in a double-wall piping system and implementing machine Term ended Term ended Sep 15, 2020 · From the USPTO record	Term ended	Term ended Sep 15, 2020	From the USPTO record
US 6,084,203	Method and device for welding with welding beam control Term ended Term ended Feb 8, 2019 · From the USPTO record	Term ended	Term ended Feb 8, 2019	From the USPTO record
US 6,145,547	Pipes for pipelines with heat insulating double casing Term ended Term ended Sep 29, 2018 · From the USPTO record	Term ended	Term ended Sep 29, 2018	From the USPTO record
US 4,021,174	Apparatus for forming composition board by extrusion Term ended Term ended no later than May 3, 1997 · Low confidence	Term ended	Term ended no later than May 3, 1997	Low confidence
US 4,358,026	Apparatus and process for dispensing liquid preparations Term ended Term ended no later than Nov 9, 2002 · Low confidence	Term ended	Term ended no later than Nov 9, 2002	Low confidence
US 4,595,257	Support mechanism utilizing flexual pivots Term ended Term ended no later than Jun 17, 2006 · Low confidence	Term ended	Term ended no later than Jun 17, 2006	Low confidence