"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8007009 | Male coupling for connecting to female threaded coupling In one embodiment, a male coupling connectable to and separable from a female coupling (e.g., a female threaded port) is provided. The female coupling includes a receiving portion sized to receive at least a portion of the male coupling, where the receiving portion ... | 08/30/2011 |
| 7231983 | Split locking ring for wellhead components The present invention is directed to a split locking ring for wellhead components. In one illustrative embodiment, the device comprises a first internally threaded wellhead component, a second wellhead component, at least a portion of which is positioned within an o... | 06/19/2007 |
| 7140645 | Quick-connecting coupler for hoses, pipes and faucets A coupler for coupling an end of a hose to a mating end of a faucet or another hose. In the first embodiment, the female end of the coupler is mechanically locked in sealing engagement with a male end by simply translation thereof by means of wedges and an outer ret... | 11/28/2006 |
| 7100696 | Disconnect for use in a wellbore The present invention generally relates to a disconnect for use in a wellbore to separate a tubular string from a stuck wellbore component. In one aspect, the invention includes a disconnect with a first portion and a second portion and a lock nut preventing the sep... | 09/05/2006 |
| 7089645 | Method of manufacturing a high pressure fluid quick connect A method of forming a fluid quick connect includes steps forming a housing having a split end retainer slidably mounted in a recess in at least one end of the housing. A first angular recess is formed in the housing adjacent the first end. The first recess communica... | 08/15/2006 |
| 6926310 | Actuation device, especially on a rapid-action reception coupling The aim of the invention is to achieve secure and simple handling of an activation device, especially on a rapid-action reception coupling for transferring gas-liquids and/or liquids—liquids or on valves comprising a tubular housing (11, 29) and a slide ( | 08/09/2005 |
| 6398268 | Pipe coupling for female screw A pipe coupling for a female screw to be connected to a female screw port formed in a fluid device, comprising a cylindrical main body. The main body includes a plurality of arm members having a male crew portion at a distal end to be connected to the fem... | 06/04/2002 |
| 6375152 | Quick-connect coupling A quick connect coupling for transmitting fluids includes a tubular housing and spreadable locking elements fixed on the housing for connection to a correspondingly formed connector. A sealing piston is slidable centrally in the housing for engagement wit... | 04/23/2002 |
| 6099044 | Clamping device, in particular for a male coupling The invention relates to a clamping device, in particular for a male coupling, with a substantially cylindrical housing, a clamping member mounted to be axially displaceable therein, and an actuation member which is arranged on the rear end of the housing... | 08/08/2000 |
| 6073971 | Fitting arrangement A clamping jaw arrangement for a clamp system includes several clamping jaws and a fitting arrangement. The clamping jaws are coupled to an actuating device and located in a radially spreadable manner in a casing around a spreader mandrel. The fitting arr... | 06/13/2000 |
| 5996654 | Quick-connect filling device for transferring fluids to a valve A quick-connect filling device for transferring fluids to a valve having a female thread in its inlet port, the device comprising a stem having a through-going conduit for fluid flow therethrough and an enlarged upper plug end for sealing abutment with a ... | 12/07/1999 |
| 5941574 | Horizontal penetrator with multiple metal sealing pressure lines A coupler 10 for pressure conduits 12a-d comprises movable components 22, 26 selectively engageable with or disengageable from fixed components 34 to provide disconnectable sealed pressure connections therewith, the moveable components 22 being acted upon... | 08/24/1999 |
| 5927683 | Rapid connection coupling The invention concerns a rapid connection coupling (10) for transferring gases and/or liquid, in particular for coolant filling operations in air conditioning systems. The coupling in question comprises the following elements: a tubular housing (11), an o... | 07/27/1999 |
| 5816454 | Pump unit A pump unit is adapted for attachment to a liquid container having a liquid discharge opening bounded by an annular rim formed with an external screw thread by providing the housing of the pump unit with an annular mounting flange and employing a two-part... | 10/06/1998 |
| 5788290 | Quick connect coupler A connector for providing a fluid tight connection to a fluid port having internal threads. The connector includes an exterior sleeve having a split collet retractably mounted therein. The split collet defines an axial bore and includes a distal end porti... | 08/04/1998 |
| 5685574 | Snap latch seal locator for sealingly latching tubing to a packer in a wellbore A latch is adapted to be connected to a tubing string and will snap into a packer disposed in a wellbore. A predetermined first number of pounds is required to snap the latch into the packer and a predetermined second number of pounds, greater than the fi... | 11/11/1997 |
| 5649723 | Coupling device A coupling device for releasable and sealing connection to a tubular, externally threaded connector part. The device includes internally threaded segments which can swing radially to enable the coupling device to be connected to and released from the conn... | 07/22/1997 |
| 5580099 | Quick connect/disconnect coupling There is disclosed a quick connect/disconnect coupling for tubular elements such as hoses and the like, which uses a plurality of articulated jaws, with a retainer and a retainer clip. In this invention, each of the jaws has an axial groove extending from... | 12/03/1996 |
| 5575510 | Quick-connect fitting for gas cylinders A quick-connect fitting for transferring gaseous and/or liquid media, in particular for filling gas cylinders, has a housing (11) with an inlet (12), and outlet (13) for the medium to be transferred and a quick-connect device arranged in the area of the o... | 11/19/1996 |
| 5427488 | Quick acting nut or coupling assembly A threaded fastener has a casing enclosing at least three radially inwardly biased arcuate segments positioned to engage the threads of a bolt or hollow threaded member. The casing defines spaced apart internal frustoconical surfaces positioned to engage ... | 06/27/1995 |
| 4543995 | Pipe coupling having line pressure actuated threaded segments The coupling is provided with a cylinder (15, 49) within which a piston can be moved under pressure in one direction or the other. The piston has attached to it a clamping device in the form of jaws (32) which are adapted to be pressed together radially i... | 10/01/1985 |
| 4364587 | Safety joint For use in a drilling string including drill collars, a safety joint which enables the string of drill pipe to be unthreaded from the drill collars at the safety joint is disclosed. A safety joint utilizes a collet telescoped within and threaded to an out... | 12/21/1982 |
| 4191406 | Quick acting coupling There is disclosed a quick acting coupling for interconnecting tubular members such as hoses which is particularly useful with fire fighting equipment. The device has a body member for attachment to one of a pair of tubular members. The body member distal... | 03/04/1980 |