Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US396308124 Abr 197515 Jun 1976Double acting mechanical jar
US427062012 Ene 19792 Jun 1981Dailey Oil Tools, Inc.Constant bottom contact tool
US43948833 Nov 198026 Jul 1983Dailey Oil Tools, Inc.Well jar
US449854820 Jun 198312 Feb 1985Dailey Petroleum Services Corp.Well jar incorporating elongate resilient vibration snubbers and mounting apparatus therefor
US45735367 Nov 19844 Mar 1986Dailey Petroleum Services CorporationMethod and apparatus for flushing a well
US46589179 Sep 198521 Abr 1987Bralorne Resources LimitedEnclosed jar tool
US47154543 Jun 198629 Dic 1987Mechanical directional drilling jar with swivel means
US510390310 Dic 199014 Abr 1992Jar
US56240017 Jun 199529 Abr 1997Dailey Petroleum Services CorpMechanical-hydraulic double-acting drilling jar
US56694581 Mar 199623 Sep 1997Rotary jar
US62900042 Sep 199918 Sep 2001Hydraulic jar
US648149525 Sep 200019 Nov 2002Downhole tool with electrical conductor
US711167830 Oct 200326 Sep 2006Impact Selector, Inc.Field adjustable impact jar
US728157517 Jul 200616 Oct 2007Field adjustable impact jar
US82153826 Jul 200910 Jul 2012Baker Hughes IncorporatedMotion transfer from a sealed housing