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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US396568715 Ago 197429 Jun 1976J. Ray McDermott & Co., Inc.Apparatus for anchoring a structure to the floor of a body of water
US414494214 Jul 197720 Mar 1979Nippon Concrete Industries Co., Ltd.Method of setting a pile without noise or vibration and apparatus therefor
US43435706 Feb 198010 Ago 1982Self-driving support assembly
US44375256 Jul 198120 Mar 1984Flow Industries, Inc.Hand held water drilling apparatus
US462432716 Oct 198425 Nov 1986Flowdril CorporationMethod for combined jet and mechanical drilling
US462460620 Ago 198525 Nov 1986N.I.T. Co., Ltd.Foundation improvement process and apparatus thereof
US463775816 Mar 198420 Ene 1987Kabushiki Kaisha Komatsu SeisakushoMethod of driving hollow piles into the ground
US464064930 Abr 19853 Feb 1987N.I.T. Co., Ltd.Method and apparatus for forming an underground solidification structure
US467331224 May 198516 Jun 1987Ed. Zublin AktiengesellschaftMethod and apparatus for the underground installation of pipelines
US46917905 Mar 19858 Sep 1987Flowdril CorporationMethod and apparatus for removing the inner conduit from a dual passage drill string
US472815230 May 19861 Mar 1988British Petroleum Company p.l.c.Borehole extraction of minerals
US493603112 Oct 198926 Jun 1990ACB Technology, Corp.Apparatus for excavating soil and the like using supersonic jets
US521289125 Ene 199125 May 1993The Charles Machine Works, Inc.Soft excavator
US536185521 May 19938 Nov 1994The Charles Machines Works, Inc.Method and casing for excavating a borehole
US612021420 Ene 199919 Sep 2000Layne Christensen CompanyProcess for constructing reinforced subterranean columns
US63978648 Mar 19994 Jun 2002Schlumberger Technology CorporationNozzle arrangement for well cleaning apparatus