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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US393834429 avr. 197417 févr. 1976Kabushiki Kaisha Takechi KoumushoEarth auger and method for driving piles and the like by means of said earth auger
US402749010 sept. 19757 juin 1977Heinrich StadeSelf-sinking, axial passage foundation pile and method
US40462056 nov. 19756 sept. 1977Kabushiki Kaisha Takechi KoumushoEarth auger and method for driving piles and the like by means of said earth auger
US407478028 juil. 197621 févr. 1978Earth auger
US411601214 juil. 197726 sept. 1978Nippon Concrete Industries Co., Ltd.Method of obtaining sufficient supporting force for a concrete pile sunk into a hole
US414494214 juil. 197720 mars 1979Nippon Concrete Industries Co., Ltd.Method of setting a pile without noise or vibration and apparatus therefor
US454710615 mars 198315 oct. 1985Ground anchors
US463775816 mars 198420 janv. 1987Kabushiki Kaisha Komatsu SeisakushoMethod of driving hollow piles into the ground
US470107816 mai 198620 oct. 1987Pile construction method for improving bearing power
US47505718 oct. 198614 juin 1988Screen placement method and apparatus
US495896228 juin 198925 sept. 1990Halliburton CompanyMethods of modifying the structural integrity of subterranean earth situs
US512201312 août 199116 juin 1992Reinforced concrete load-bearing pile with multi-branches and enlarged footings, and means and method for forming the pile
US52192492 mars 199215 juin 1993Reinforced concrete load-bearing pile forming device
US53969641 oct. 199214 mars 1995Halliburton CompanyApparatus and method for processing soil in a subterranean earth situs
US545296722 mars 199426 sept. 1995Pipe laying system and method
US554497818 juil. 199413 août 1996Bor-It Meg. Co., Inc.Combined auger and thruster machine
US557097527 juin 19945 nov. 1996Metal foundation push-it and installation apparatus and method
US558639922 août 199524 déc. 1996V.T.S. Trenching Systems Ltd.Vertical trencher apparatus employing cutter having helical channel of varying rise angle
US566050426 juil. 199626 août 1997Metal foundation push-it and installation apparatus and method
US573306829 août 199631 mars 1998Metal foundation push-it and installation apparatus and method
US594445230 mars 199831 août 1999Heavy duty foundation installation apparatus and method
US621680323 juin 199917 avr. 2001The Charles Machine Works, Inc.Anchor assembly
US624787517 déc. 199919 juin 2001Dana A. SchmednechtMethod and apparatus utilizing a hollow beam for constructing subterranean walls comprised of granular material
US67092001 nov. 200223 mars 2004Method of constructing the foundation and support structure for elevated transportation systems
US681452514 nov. 20019 nov. 2004Piling apparatus and method of installation
US711201214 sept. 200426 sept. 2006Piling apparatus and method of installation
US762109814 nov. 200224 nov. 2009MFPF, Inc.Segmented foundation installation apparatus and method