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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 166/340 - Disconnection


Subclass of Class 166 - Wells
Definition: Process, apparatus, or device including an actuatable tool
No. of patents: 95
Last issue date: 02/22/2011


    3  
NumberTitleIssue Date
4429902Remotely releasable connector
A remotely releasable connector for a pair of pipes including first and second sets of engageable threads on the first and second pipes, first and second aligned recesses on the exterior of the pipes, a latch received in both recesses to prevent relative ...
02/07/1984
4405016Underwater Christmas tree cap and lockdown apparatus
A cap for an underwater Christmas tree having locking probes to lock down the operating rods of a connector connecting the Christmas tree to an underwater wellhead housing. The tops of the operating rods are housed within hollow canisters at the top of th...
09/20/1983
4400112Connecting and disconnecting device for a guide line
The invention relates to installation of underwater equipment, more specifically for use in oil-fields. This new device for connecting and disconnecting a guide line between an installation on the seabed and a floating platform comprises a cylindrical ada...
08/23/1983
4400109Complaint riser yoke assembly with breakway support means
A marine compliant riser system is provided for attaching a flexible flowline to a buoyed conduit riser section. The improved system includes a releasable yoke assembly for receiving flexible flowline with a means for holding flexible flowline termination...
08/23/1983
4319637Well tool orientation system with remote indicator
A well tool such as a multiple string tubing hanger is installed remotely with the aid of a handling tool which has a hydraulically actuated component and a locator device movable between a retracted inactive position and an extended position in which the...
03/16/1982
4223920Vertically retrievable subsea conduit connector
A manifold unit is connected to a running tool and pipe and run into position in a receptacle on a subsea template or platform to establish a flow path between fluid passages in the receptacle. Fluid supplied through the running pipe forces locking elemen...
09/23/1980
4194568Disconnectable riser columns for under water oil wells
A riser column particularly for use in deep water comprises a central tube connectable by its lower end to a submerged installation, for example a well, and including means permitting the central tube to oscillate relative to the installation, and connect...
03/25/1980
4185856Pipe joint with remotely operable latch
First and second pipes supported substantially vertically in a subsea location with a breech block connector connecting the pipes together, the said breech block connector comprising male and female elements, one of which has longitudinally extending circ...
01/29/1980
4169507Underwater well apparatus
There is disclosed a riser pipe having telescoping sections which are held in retracted position by a part which is adapted to sever upon application of a predetermined tensile load, and a fluid-actuated connector at its lower end which is adapted to be r...
10/02/1979
4138148Split-ring riser latch
A latching and unlatching system for connecting a riser pipe to the casing in a subsea well. A split-circumferential ring fits into mating grooves in the male end of the casing and the female end of the riser. A releasing tool runs on a drill pipe suspend...
02/06/1979
4116272Subsea test tree for oil wells
A hydraulically operated subsea test tree is disclosed for placement in a blowout preventer stack position on a sea floor above an oil well wherein fluid pressure from one side a set of rams is directed to a first side of a ball valve operating piston, an...
09/26/1978
4109712Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing
An improved safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing when said casing is disconnected from an associated well head connector and Christmas tree assembly, has mandrel means associated with a well head connecto...
08/29/1978
4040649Oil well tool with packing means
An oil well tool containing a well packer and which is particularly suitable for use in well bores located in extremely cold climates utilizes an hydraulically actuated packer which is actuable when the well head is flanged up and releasable thermal expan...
08/09/1977
3986729Connecting apparatus
There are disclosed two embodiments of an apparatus for releasably connecting with one end of a member at an underwater location, wherein the member has a seating surface which faces toward its one end and a conical locking shoulder which faces away from ...
10/19/1976
3955623Subsea control valve apparatus
A control valve apparatus adapted to be stationed in a subsea blowout preventer stack and used in connection with a production or drill stem test of an offshore well from a floating vessel, includes a valve section and a control section that are releasabl...
05/11/1976
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