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| Number | Title | Issue Date |
| 7354078 | Pipe joint device An object of the present invention is to provide a pipe joint device, according to which two pipe members can be easily connected and disassembled without causing the abrupt discharge of the fluid from the pipe members. A ring shaped first retaining member is mounte... | 04/08/2008 |
| 7338093 | Connection for fluid lines The plug type connection of this invention consists of two coupling parts which can be fitted together, to be precise a socket part and a plug part, it being possible for the plug part, with a plug shank, to be inserted in a sealing manner into a locating opening of... | 03/04/2008 |
| 7318609 | Chuck and tube joint A chuck includes an annular ring portion, a first engaging portion which extends along a central axis of the annular ring portion and which engages with the first tube joint member, and a second engaging portion which extends from the annular ring portion along the ... | 01/15/2008 |
| 7152674 | Disconnect devices A disconnect device for use as part of a tubing string downhole in an oil or gas well and which comprises a tubular body, at least one slip held within the tubular body, and a sleeve housed within the tubular body to hold the at least one slip in coupling engagement... | 12/26/2006 |
| 6588807 | Quick connector for fluid handling An improved quick-disconnect connector assembly for connecting hoses, having a female element for connection to a first hose and a male element for connection to a second hose. The female element has an axial bore having a sealing mechanism for sealably r... | 07/08/2003 |
| 6450541 | Releasable connector A releasable connector connects between coiled tubing, a pipe string or similar tubular string and a tool/piece of equipment. Two sleeve-shaped inter-connectable parts are configured to be releasable, wherein one is connected to the coiled tubing, and the... | 09/17/2002 |
| 6447028 | Joint fitting A fitting for connecting two components is described. The fitting may be explosion proof for use in hazardous environments. The fitting may swivel allowing fast and easy connection to fixed components, thus minimizing the time required for installation an... | 09/10/2002 |
| 6315330 | Apparatus having hydraulic pressure loaded quick disconnect Liquid dispensing apparatus having a pressure loaded quick disconnect assembly. The apparatus includes a first liquid containing component having at least one liquid passage, a second liquid containing component including at least one liquid passage, a mo... | 11/13/2001 |
| 6131953 | Coiled tubing drilling hydraulic disconnect A coiled tubing drilling hydraulic disconnect for use in disconnecting a tool from a length of tubing or other tool string. The apparatus has an upper housing and a lower housing with a splined ring threadingly engaged with the lower housing. A spline in ... | 10/17/2000 |
| 6095569 | Plug-in coupling for pressure fluid systems A plug-in coupling for pressure application systems, including two coupling components such as a housing component and a connector component. The connector component is sealed insertable into a locating opening of the housing component, and is arrestable ... | 08/01/2000 |
| 5924741 | Weaklink device for elongated offshore articles The present invention relates to a weaklink device for controlled breaking of at least one interconnection (5) on an elongated article (2) such as an umbilical comprising one or more elongated elements such as metal tubes (3,4), said interconnection being... | 07/20/1999 |
| 5911444 | Automatic locking mechanism for air brake hose coupling members An air pressure actuated stop assembly (50) is disposed in at least one of first and second rotatably engaging housings of a coupling assembly (10), the housings (14) being affixed to ends of respective associated hoses 70) to complete an air passageway (... | 06/15/1999 |
| 5507349 | Downhole coiled tubing latch A downhole coiled tubing latch for positive latching to a drill pipe while pumping fluids. The apparatus comprises a housing positioned in the drill pipe with a slidable mandrel positioned in the housing. The apparatus further comprises a latch stinger wh... | 04/16/1996 |
| 5172943 | Pipe joint and its pipe slipout preventive mechanism A pipe joint for connecting pipes for passing a variety of fluid such as liquid or gas has been improved and has a pipe slipout preventive mechanism. In structure, the main body of the pipe joint is formed by coupling a nipple and a socket. An insert to b... | 12/22/1992 |
| 4760884 | Air chamber actuated dual tubing release assembly An apparatus and method of operation for the release of concentric tubing strings used in well operations. In the preferred embodiment, the apparatus includes a tubing release assembly and an air chamber assembly as an actuating tool. The tubing release a... | 08/02/1988 |
| 4682795 | Tension actuated uncoupler A tension actuated fuel (e.g. gasoline) delivery hose uncoupler is disclosed in which, upon a predetermined tension load being applied to the delivery pump hose, the coupling will automatically uncouple thus releasing one end of the hose which, for exampl... | 07/28/1987 |
| 4667986 | Wellhead connector A connector useful in releasably connecting well servicing equipment to wellheads. A male connector member houses resilient seals sealingly engageable in the female member on connection. The female connector member houses radially moveable dogs which may ... | 05/26/1987 |
| 4591192 | Quick connect coupling An improved quick connect coupling is provided for releasably connecting a pair of conduits, such as ordinary garden hose. The coupling comprises interlocking male and female fittings adapted for respective connection to a pair of hoses, wherein the male ... | 05/27/1986 |
| 4570980 | Staple coupling A staple coupling of the kind comprising interfitting male and female members for the connection of a hose within a fluid system, the members including respective external and internal circumferential grooves which register with one another when the membe... | 02/18/1986 |
| 4000917 | Gas-actuated emergency pilot release system A gas-actuated release system is incorporated into a conventional ejection seat of an aircraft for freeing a pilot from his survival gear which could hinder his escape from the aircraft in a ground emergency. The system includes fail-safe features which p... | 01/04/1977 |
