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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 8056621 | Master ball valve with integrated hanger A master ball valve with an integrated main hanger below the valve which may be used to hang jointed tubing, coil tubing, or electrified coil tubing for connection with an electric submersible pump. ... | 11/15/2011 |
| 7610956 | Wellhead assembly for hydraulic pumping system A wellhead assembly to seal and suspend an in-casing hydraulic drive unit for a downhole pump, including pressure-containing wellhead body members with a vertical bore and a production bore at its uppermost portion. A hydraulic pump hanger is retained and sealed in ... | 11/03/2009 |
| 7434615 | Apparatus for preventing pollution of subterranean water Disclosed herein is an apparatus for preventing pollution of a groundwater borehole, which increase water-tightness. The apparatus for preventing pollution of a groundwater borehole has a structure that both sides of an underwater motor pump supported by a first int... | 10/14/2008 |
| 7407011 | Tubing annulus plug valve A tubing hanger lands in a tubular outer wellhead member and supports a string of production tubing. The tubing hanger has a production passage for communicating with the interior of the production tubing and an annulus passage for communicating with a tubing annulu... | 08/05/2008 |
| 7360611 | Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on... | 04/22/2008 |
| 7357185 | Subsea tubing hanger assembly for an oil or gas well A subsea tubing hanger assembly is disclosed which comprises a tubing hanger (12) having a plurality of conduits (14). A pup joint (16) is connected to the hanger (12) and a shroud (20) surrounds the pup joint (16). A plural... | 04/15/2008 |
| 7308902 | Subsea valve assembly with replaceable fixed orifice insert The present invention is directed to an subsea valve assembly having a fixed orifice insert that can be removed and replaced using a remotely operated vehicle (ROV). The valve assembly includes a removable orifice insert holder and a threaded receptacle housing into... | 12/18/2007 |
| 7275591 | Tubing hanger with ball valve in production string The invention provides a wellhead assembly including a wellhead housing supporting a tubing hanger within its central bore and forming a housing stem port through its outer wall to the central bore. The tubing hanger has a side stem port formed through its body inte... | 10/02/2007 |
| 7219736 | Externally testable redundant connections for subsea wells An externally testable redundant connection for a subsea well includes a tube, a connector assembly, and collar. The connector assembly includes a jam nut over the tube; a ferrule over the tube adjacent the jam nut; and a double jam nut disposed over the tube adjace... | 05/22/2007 |
| 7204304 | Removable surface pack-off device for reverse cementing applications A removable surface pack-off device adapted for use in reverse cementing applications is provided. The device includes a housing adapted to be mounted between the ends of an inner casing and an outer casing at or near the surface of a well and at least one fluid pas... | 04/17/2007 |
| 7100697 | Method and apparatus for reforming tubular connections The present invention generally relates to methods and apparatus for connecting tubulars and reforming the connection between the tubulars. In one aspect of the invention, the tubulars are aligned, connected, and then reformed at the connection. In one embodiment, t... | 09/05/2006 |
| 7063160 | Non-orienting tubing hanger system with a flow cage In a subsea wellhead assembly, a tubing hanger in communication with the subsea well has a hanger port extending through its side. A diverter surrounds the tubing hanger and diverts well fluid transmitted from the hanger port around a portion of the tubing hanger. T... | 06/20/2006 |
| 7028585 | Wrenching tong Apparatus for applying torque to a first tubular relative to a second tubular, the apparatus comprising a first tong for gripping the first tubular and a second tong for gripping the second tubular, wherein the first tong is provided with teeth around a peripheral s... | 04/18/2006 |
| 7028586 | Apparatus and method relating to tongs, continous circulation and to safety slips A tong system includes an upper tong having grips for gripping a tubular and a rotation mechanism to rotate the grips and the tubular. A lower tong also has grips and a rotation mechanism to rotate the grips to provide rotation to a lower tubular, such that the uppe... | 04/18/2006 |
| 7025140 | Large particulate removal system A choke for removing large diameter particulate matter from an oil or natural gas well includes a housing having a chamber with an integral solids receptacle. The chamber is in communication with a flow stream outlet and a flow stream inlet. The flow stream inlet is... | 04/11/2006 |
| 6997212 | Choke valve with temperature transmitter A choke valve useful for sub-sea application, having a valve body forming a bore extending therethrough which provides a body inlet, a body outlet and an insert chamber therebetween, and a removable insert assembly positioned in the insert chamber. The insert assemb... | 02/14/2006 |
| 6978839 | Internal connection of tree to wellhead housing A subsea wellhead assembly has a tree that connects internally to the bore of wellhead housing. The tree has a lower end that has a lock member that is moved radially outward into engagement with a profile in the bore of the wellhead housing. The tree is a monobore,... | 12/27/2005 |
| 6966383 | Horizontal spool tree with improved porting The horizontal spool tree assembly 10 controls fluid flow through a production tubing string 18 within a well. The horizontal spool tree assembly is adapted for use with a workover string for fluid communication with the tree assembly. The spool body | 11/22/2005 |
| 6810954 | Production flow tree cap A christmas tree to control the production from a subsea oil or gas well is disclosed. The christmas tree design including a tree body having a first flow port and a tree cap; a tubing hanger landed within the tree body; an actuation mandrel landed within the tree b... | 11/02/2004 |
| 6648070 | Insert assembly for a wellhead choke valve A reverse flow insert assembly is provided wherein the flow trim of the choke valve is positioned horizontally within the tubular cartridge, so that the cage bore outlet is aligned with the valve body side opening. A collar is provided to throttle the flo... | 11/18/2003 |
| 6644411 | Tubing hanger with flapper valve A tubing hanger including a tubing hanger body having a tubing string which is adapted to be supported in the bore of the wellhead housing wherein the apparatus comprises a flapper valve disposed in or below the tubing hanger, wherein the valve further co... | 11/11/2003 |
| 6598680 | Subsea wellhead equipment A wellhead apparatus which includes a spool for use in a horizontal tree and having a vertical bore therethrough, and a tubing hanger adapted to be lowered into and landed within the bore of the spool to suspend a tubing string on the lower end of the tub... | 07/29/2003 |
| 6588510 | Coil tubing hanger system A coil tubing hanger system and a method of installing such system is provided. The coil tubing hanger system comprises a body having an axial opening there through. A slip bowl having a base and housing a slip that can be retained in a first position spa... | 07/08/2003 |
| 6520263 | Retaining apparatus for use in a wellhead assembly and method for using the same A retaining apparatus, in particular an internal tree cap, for use in a wellhead having a central bore and first and second retaining means, such as a shoulder and a groove, within the bore of the wellhead. The retaining apparatus has a housing for locati... | 02/18/2003 |
| 6470965 | Device for introducing a high pressure fluid into well head components A device for introducing high-pressure fluid through a well having a vertical passage with at least one valve and into a well having a well tubing into said vertical passage, has a lower part removably attachable to the well tubing, a hollow mandrel adapt... | 10/29/2002 |
| 6453995 | Tubing hanger saddle valve A tubing hanger incorporates a flow control valve that is ordinarily found in a horizontal christmas tree. A branch passage forming a production fluid outlet has a mouth that intersects with a vertical production bore. A valve closure element in the form ... | 09/24/2002 |
| 6223819 | Wellhead for providing structure when utilizing a well pumping system A wellhead for use with a surface mounted pumping unit operating a rod string extend to a downhole pump in a well. The wellhead includes a body having a bore for a rod string, a support rod assembly moveable across the bore for coupling with a rod string ... | 05/01/2001 |
| 6176466 | Composite pumping tree with integral shut-off valve A unitary pumping tree is provided for forming part of a wellhead assembly christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connec... | 01/23/2001 |
| 6109352 | Simplified Xmas tree using sub-sea test tree An improved sub-sea Xmas tree consists of a wellhead connector, a cylindrical structural housing and a tree cap mounted on top of the housing. A dual bore sub-sea completion test tree is disposed in the housing and it has a main production bore with seria... | 08/29/2000 |
| 6050339 | Annulus porting of horizontal tree A horizontal tree has a vertical bore and a horizontal production passage and is landed in a wellhead housing. A tubing hanger lands in the bore and has a vertical passage and a horizontal passage that aligns with that of the tree. A retrievable first plu... | 04/18/2000 |
| 5992527 | Wellhead assembly A wellhead assembly in which an in-line tree (10) is landed within a wellhead housing (3). The in-line tree has a vertical production through bore (11), two hydraulically or electrically controllably in-line valves (13A, 13B) in the vertical production bo... | 11/30/1999 |
| 5988282 | Pressure compensated actuated check valve A horizontal tree having a vertical bore and a horizontal production passage is landed in a wellhead housing. A tubing hanger lands in the bore and has a vertical passage and a horizontal passage that aligns with that of the tree. A retrievable first plug... | 11/23/1999 |
| 5971077 | Insert tree A subsea well has a an outer wellhead housing with a tree on an upper end and a tubing hanger landed in the bore of the tree. A tree cap lands on and is secured to the tree. The tree cap has a plurality of production and annulus valves and a dual-bore con... | 10/26/1999 |
| 5878812 | Misaligning wellhead system A misaligning wellhead system for use on the surface end of well production tubing in a well produced by a pump driven by a pumping unit operated polished rod extending through the wellhead to the pump. The wellhead system includes a flange for connection... | 03/09/1999 |
| 5819851 | Blowout preventer protector for use during high pressure oil/gas well stimulation An apparatus for protecting blowout preventers during well fracturing and/or stimulation treatments is disclosed. The apparatus includes a hollow spool with spaced-apart inner and outer sidewalls that define an annular cavity. A mandrel is forcibly recipr... | 10/13/1998 |
| 5706893 | Tubing hanger A tubing hanger is provided with a production bore and an annulus bore spaced radially outwardly of the production bore. The annulus bore is closed by a valve member in the form of an annular disc that is rotatable by a piston provided in the tubing hange... | 01/13/1998 |
| 5615737 | Apparatus for insertion of full bore tools into an earth borehole Apparatus for inserting full bore tools into an earth borehole, such as oil and gas wells, includes: a blowout preventer assembly superimposed on the wellhead of the borehole; a seal body having an internal concentric seal diameter, superimposed on the bl... | 04/01/1997 |
| 5413170 | Spoolable coiled tubing completion system A coiled tubing completion system is provided with a plurality of completion apparatus, all of which is designed flush with the diameter of the coiled tubing outside diameter for avoiding upsets and are flexible, spoolable on a coiled tubing reel and havi... | 05/09/1995 |
| 5346004 | Environmentally secure polished rod liner head An environmentally secure polished rod liner head is provided for use on a polished rod employed in an oil well pumping system for vertically reciprocating a string of sucker rods, the polished rod extends through a stuffing box, the polished rod liner he... | 09/13/1994 |
| 5332044 | Wellhead isolation tool and method of use A wellhead isolation tool is disclosed that is unique because the tool has no direct connection between the high pressure valve and the mandrel. Well stimulation fluids are pumped through one or more high pressure bores which communicate with a mandrel in... | 07/26/1994 |
