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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 |
| 7819385 | High aspect ratio threadform A threadform for a gate valve has a set of threads on a stem that engage a threaded receptacle of the gate. When the stem is rotated, the gate moves. The threads have a thread height to thread base thickness ratio that is at least the inverse of 0.7 times e raised t... | 10/26/2010 |
| 7694939 | Flow rate control valve A retaining cylinder is threadedly engaged with a fixed cylinder of a flow rate control valve, by means of a screw section formed on an outer circumferential surface. A fence cover, which is capable of expanding and contracting in the axial direction, is installed b... | 04/13/2010 |
| 7281443 | Manual control device Manual actuating device for the actuation of an appliance, subjected to a force in a direction opposite to the actuation direction, especially in the production of mineral oil or natural gas, such as a blowout preventer (BOP), valve, actuator, throttle or similar, w... | 10/16/2007 |
| 7237760 | Check valve actuator A check valve actuator has a body, a sliding seat, a drive shaft, a spring assembly and a knob. The body has a mounting collar, a convex ridge, an internal cavity and a through hole. The mounting collar is formed on the front end of the body and has an internal surf... | 07/03/2007 |
| 7121240 | Valve controller The valve controller is driven by a motor. The valve controller has a control circuit and a driving circuit. The driving circuit drives a motor based on a control signal generated by the control circuit and a rotational position signal generated by a rotational posi... | 10/17/2006 |
| 7114699 | Combination valve and regulation for use with pressurized gas cylinders, particularly oxygen cylinders A valve apparatus, and combined valve-regulator apparatus, for safely regulating the flow of combustible gases such as oxygen. ... | 10/03/2006 |
| 7066442 | Valve A springless valve having a valve body, a valve stem insert, and an O-ring gasket for sealing the insert to a valve seat of the valve body. As the valve stem insert rotates about its axis, fingers on vanes of the insert move within threads of the valve body, and the... | 06/27/2006 |
| 7059584 | Diaphragm valve having adjustable closure means The present invention provides a diaphragm valve moveable between a fully open position and a fully closed position, the valve comprising: a bonnet having a first thread and an abutment surface; a stem having at least one aperture and a second thread that cooperates... | 06/13/2006 |
| 7040337 | Valve override system A valve override system for allowing a user to restore flow through a gate valve that has failed in the closed position. The valve override system includes an engagement assembly being designed for engaging a gate of the gate valve assembly whereby the engagement as... | 05/09/2006 |
| 7004045 | High thrust valve operator A high thrust operator for gate valves employs an inverted satellite roller screw assembly driven by an internally threaded cylinder carried within a bearing case. The cylinder is sized to provide a relief plenum within the case into which the roller screw assembly ... | 02/28/2006 |
| 6997431 | Childproof valve for swimming pool Disclosed herein is a childproof valve for a swimming pool. In one embodiment, the valve may include a valve body having an inlet and an outlet and a flow-passage extending therebetween, a plunger movable within the valve body between closed and open positions to ei... | 02/14/2006 |
| 6991216 | Valve A valve, such as a liquid level sight glass gage valve, has a valve unit and a passageway that extends through the valve unit. The passageway has a stem receiving area, a seal receiving area, and a bonnet receiving area that has a non-circular inner perimeter. A pac... | 01/31/2006 |
| 6913039 | Valve configuration of an air pressure steel jar of a paint ball gun A valve configuration of an air pressure steel jar of a paint ball gun, more specifically, a valve configuration comprises a manual wheel disposed at the bottom end of the air pressure steel jar; the said manual wheel directly links a valve needle to work a valve se... | 07/05/2005 |
| 6899317 | Combined test and bleed valve fitting A test port and bleed valve is combined in a unitary main body of a device. A split core test plug is positioned within a hollow valve stem. The seal at the bottom of the valve stem engages a valve seat to provide a releasable airtight seal. At the top of the valve ... | 05/31/2005 |
| 6883777 | Valve assembly A valve assembly for a liquid containing tank or the like, having a vortex breaker within the tank of liquid, and affixed to an external valve. The valve has a discharge port and a valve body with an outer member which allows the flow of liquid and a concentrically-... | 04/26/2005 |
| 6811140 | Shut-off valve assembly A shut-off valve assembly for refrigerant liquid and/or gases including a valve body (1) having an inlet port, an outlet port and a flat annular valve seat, and a bonnet (2) fitted on the valve body (1). The bonnet (2) is provided with an... | 11/02/2004 |
| 6685166 | Valve assembly A valve assembly for creating a seal between a valve stem and a valve housing includes a valve housing having a first end wall, a second end, and a peripheral wall extending between the first and second ends walls such that a lumen is defined. Each of the... | 02/03/2004 |
| 6565065 | Disc valve adaptor An adaptor is for a rising disc valve which has a handle for rotating a stem in a housing bore having a shoulder and which displaces a disc valve member which seals against a frusto-conical housing seat spaced from the shoulder. A stack of Belleville -ste... | 05/20/2003 |
| 6540205 | Fine-adjustment flow control valve An addition of a fine adjustment flow-control mechanism that produces changes in fluid flow in increments of 0.1% or less, to any configuration high pressure fluid flow control valve that employs an axial valve stem and a rotatable rough control knob that... | 04/01/2003 |
| 6416032 | Expansion valve of an air conditioning system in an automobile The present invention discloses an expansion valve of an air conditioning system for an automobile which does not employ a conventional method that opens and shuts in response to a motion of a pin and ball and can control a flow of a refrigerant and contr... | 07/09/2002 |
| 6367776 | Flow control device and apparatus for mounting same A flow control device is mounted within a channel of an extrusion die, wherein the channel is defined by a base surface and a side surface normal to the base surface. The device includes a main body and an auxiliary body, wherein the main body includes a ... | 04/09/2002 |
| 6311726 | Water pressure control An apparatus to control the flow rate of water between two pressurized areas, particularly for metered delivery of water to the packing of a pump's stuffing box. The object of the invention is to increase the useful life of the shaft of a process pump or ... | 11/06/2001 |
| 6273398 | Vent valve for gas strut A vent valve for a gas strut includes a first passage (9,12) in a body (2) extending from one side of a valve seat (8) to a surface of the body (2) which, in use, is exposed to the interior of a gas strut, and a second passage (15) in the body (2) extendi... | 08/14/2001 |
| 6241213 | Diaphragm valve A valve including: a bonnet; a body secured to the bonnet and including at least two ports and at least one weir positioned between the ports; a valve stem being movably coupled with the bonnet, the valve stem including first and second longitudinal ends,... | 06/05/2001 |
| 6196523 | Stop valve A housing (2) has an upper portion engaged with a cylindrical stopper member (20) in screw-thread fitting so as to be able to vertically advance and retract the stopper member (20). The stopper member (20) has an outer thread (20a) engaged with a nut memb... | 03/06/2001 |
| 6189561 | Valve cartridge for lift valve having the closing pressure on the sealing limited Valve cartridge (10) includes a housing (32) having inlet member (54), outlet member (52) and screw thread (34). Cavity (36) extends axially through housing (32) within which is a piston (38) which moves axially against piston seal (44) to open and close ... | 02/20/2001 |
| 6167902 | Bottom entry cryogenic valve An improved bottom entry cryogenic valve, with single piece cast body, that provides for easy and efficient removal of the valve stem and valve seat components without removing the valve body from the fluid circuit. The valve body forms the housing and ha... | 01/02/2001 |
| 6109592 | Flow control device and apparatus for mounting same A flow control device is mounted within a channel of an extrusion die, wherein the channel is defined by a base surface and a side surface normal to the base surface. The device includes a main body and an auxiliary body, wherein the main body includes a ... | 08/29/2000 |
| 6105595 | Method, system, and apparatus for automatically preventing or allowing flow of a fluid An automatic fluid valve (25) includes a drive member (32) having an aperture (43) and a driven member (54). The automatic fluid valve (25) also includes at least one torque transfer member (38) for transferring torque from the drive member (37) to the dr... | 08/22/2000 |
| 6041818 | Valve assembly A valve assembly includes (1) a process valve having an axially adjustable valve stem positioned in a passageway thereof and (2) a service valve for receiving and retaining a male end of the process valve. The valve stem has a poppet mounted for axial mov... | 03/28/2000 |
| 5992440 | Washer saver faucet valve The present invention provides a novel faucet with a non-circular slider assembly to which a resilient seat-washer is attached. In a preferable embodiment of the invention the slider assembly has a hexagonal cross-section. In embodiments of the invention ... | 11/30/1999 |
| 5992444 | Control device for door closer A control device for a door closer is arranged to control flow of pressure medium within a body part of the door closer and comprises an adjustment member supported by threads on the body part of the door closer, and in cooperation therewith, a separate s... | 11/30/1999 |
| 5964448 | Gravity assisted access plug An access plug is provided for use in oil pans, transmissions and other fluid containers of equipment and the like. The access plug is weight imbalanced along the longitudinal axis to prevent inadvertent rotational movement of the access plug as may occur... | 10/12/1999 |
| 5851003 | Motor operated valve Objective To avoid undesirable contact between the moving side stopper and the fixed side stopper, to maximize the contact width at the time of hitting, to decrease damages, wearing, etc. to those stoppers, and to improve reliability of the moving side st... | 12/22/1998 |
| 5687949 | Gas flow regulator valve An improved fluid control valve assembly employing a needle valve integrally formed on a non-rotating valve stem includes a metering orifice for engaging and forming a fluid seal with the valve needle, and a generally radially extending end face on the va... | 11/18/1997 |
| 5671903 | Heat treatment apparatus and valve device for use in the same The present invention relates to a heat treatment apparatus, specifically a valve device for use in an exhaust system of a low pressure heat treatment furnace, which comprises urging device for urging a valve body in a valve closing direction, and a drive... | 09/30/1997 |
| 5586748 | Disconnect valve assembly for connecting a source of fluid with a container to be filled A disconnect valve assembly is used to connect a source of fluid with a container to be filled. The valve assembly includes a tubular body having a fluid passageway extending therethrough from an inlet to an outlet. A depressor is located in the passagewa... | 12/24/1996 |
| 5456285 | Globe valve with a strainer A globe valve with a strainer. The globe valve with a strainer comprising a valve body having a valve box, a strainer body, the valve box and the strainer body extending upwardly and downwardly respectively at an angle of about 45° to the axis of the val... | 10/10/1995 |
| 5415200 | Refrigeration system service adapter A manually adjustable service adapter includes a manually adjustable actuation shaft for opening the valve of a charging port of a refrigeration system to permit the charging of refrigerant into such system. Actuation of such charging port results from an... | 05/16/1995 |
| 5339862 | Refrigeration system service adapter A manually adjustable service adapter includes a manually adjustable actuation shaft for opening the valve of a charging port of a refrigeration system to permit the charging of refrigerant into such system. Actuation of such charging port results from an... | 08/23/1994 |
