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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US406957326 Mar 197624 Ene 1978Combustion Engineering, Inc.Method of securing a sleeve within a tube
US439420222 Ene 198119 Jul 1983UMAC, Inc.
Brooklyn Union Gas Company
Method for relining an underground gas line or the like without excavation
US442703124 Sep 198224 Ene 1984Method of installing an interior by-pass liner
US442703224 Sep 198224 Ene 1984Service line interior by-pass
US442711224 Sep 198224 Ene 1984Service line interior by-pass kit
US443481627 Ago 19806 Mar 1984Service line interior by-pass fitting
US444571626 Abr 19821 May 1984AMP IncorporatedDevice and method for anchoring an end of a plastic liner inside a pipe
US471387017 Dic 198622 Dic 1987Raychem CorporationPipe repair sleeve apparatus and method of repairing a damaged pipe
US479338216 Dic 198727 Dic 1988Raychem CorporationAssembly for repairing a damaged pipe
US522451623 Jul 19926 Jul 1993Pipe repair tool
US56513932 Ene 199629 Jul 1997Fluid diversion apparatus
US584566823 Oct 19908 Dic 1998British Gas plcEnhancing pipes
US60245154 Mar 199715 Feb 2000Nicor Technologies Inc.Live service pipe insertion apparatus and method
USD46323214 Dic 200124 Sep 2002Patent Resources, L. P.Pipe sealing tool
USRE3080222 Feb 197924 Nov 1981Combustion Engineering, Inc.Method of securing a sleeve within a tube