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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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| Number | Title | Issue Date |
| 7431048 | Backflow preventer A backflow preventer (1) is provided that, in an insertable housing (2) thereof, includes a valve member (6) located in a housing interior (5). The valve member (6) sealingly rests against a valve seat (7) in the closed posi... | 10/07/2008 |
| 7367361 | Eductor apparatus An eductor assembly includes an inlet connectable to a high pressure water source useful in firefighting, an outlet connectable to a fire hose and/or nozzle, and a venturi therebetween. An additive inlet communicates with the venturi so that a chemical additive, suc... | 05/06/2008 |
| 7357172 | Check valve with a spiral coil seal A seal for a check valve for a metal molding machine. The seal is provided by the combination of a peripheral groove in an outer surface of the check valve and a helically wound core in the groove. The helically wound coil is expandable into sealing engagement with ... | 04/15/2008 |
| 7357792 | Positive push medical valve with internal seal A medical valve having an open mode to permit fluid flow and a closed mode to prevent fluid flow has a body and a valving element within the interior of the body. The body also has a valving element within its interior, and a proximal port and a distal port. The val... | 04/15/2008 |
| 7293579 | Poppet valve arrangements A poppet valve arrangement is provided and has a poppet slideably disposed therein. The poppet has an odd number of integral guide legs formed thereon about the periphery of the poppet. The odd number of integral guide legs are evenly spaced from one another and are... | 11/13/2007 |
| 7290562 | Non-return valve What is disclosed is a non-return valve comprising a sealing piston which is biased against a valve seat in the basic position inside a valve housing, and which is manufactured by a plastics injection molding technique. ... | 11/06/2007 |
| 7270147 | Adjustable variable flow fertilizer valve A valve assembly comprising a body member forming a channel having first and second ends, forming a seat surface within and at the first end of the channel about an orifice that faces in the direction of the second end, the channel forming a first coupler at the sec... | 09/18/2007 |
| 7204668 | Panel fastener with spring retaining ring A fastener assembly having a bolt having a shaft and a nose portion at its terminal end. A ring is mounted on the bolt. The ring is an elongated piece of resilient material curving from a first end about the bolt shaft, then curving back around to a second end adjac... | 04/17/2007 |
| 7108494 | Apparatus for preventing the backflow of gas of scroll compressor An apparatus for preventing backflow of a gas of a scroll compressor includes: a hermetic container provided with a discharge pipe through which a gas is discharged; a fixed scroll fixedly coupled in the hermetic container; an orbiting scroll orbiting in meshing eng... | 09/19/2006 |
| 7100890 | Swabbable luer-activated valve A normally closed valve that may be opened upon insertion of a nozzle permits two-way flow when opened by a luer-taper nozzle. The valve also is able to resist large back pressures. The valve includes a substantially rigid housing that defines a passageway having an... | 09/05/2006 |
| 7096884 | Check valve A check valve comprising a poppet urged by a conical spring to annularly seal uniformly around its entire periphery to assure more uniform cracking pressure about its entire periphery. The cracking pressure may be adjusted by means of an adjustable plate which reduc... | 08/29/2006 |
| 7014169 | Anti-drawback medical valve A medical valve has a translating member that enlarges the volume of the interior of the valve when the valve is in an open mode (permitting fluid flow), and decreases the volume of the interior when the valve is in a closed mode (preventing fluid flow). This varyin... | 03/21/2006 |
| 6971406 | Backflow prevention valve A backflow prevention valve includes a cylindrical case member having a plurality of holes formed in an upper end at a periphery thereof, a valve member disposed in the case member to be movable in an axial direction thereof, an urging device disposed in the case me... | 12/06/2005 |
| 6971246 | Vehicle air conditioner with front and rear air conditioning units In a vehicle air conditioner having front and rear air conditioning units, a refrigerant cycle includes front and rear evaporators for cooling air in a cooling mode, a hot-gas bypass passage through which hot-gas refrigerant discharged from a compressor flows into t... | 12/06/2005 |
| 6948513 | Integral check valve for nozzles A check valve for use in a section of a liquid flow line to control the intermittent flow of a liquid through the line, wherein the section of the line that is configured to received the valve has inlet and outlet ends with an opening through which liquid respective... | 09/27/2005 |
| 6637410 | High pressure fuel supply apparatus A high pressure fuel supply apparatus is constituted by a plunger reciprocating in a sleeve of a high pressure fuel pump so as to form a fuel pressurizing chamber between the plunger and the sleeve, a suction valve provided in a fuel suction port for suck... | 10/28/2003 |
| 6435208 | Flame-retardant pressure equalizing valve A flame-retardant pressure equalizing valve contains a valve body that is guided in a housing. Under the influence of excess pressure, the valve body is displaceable from a closing position into a blow-off position. The housing and the valve body form a f... | 08/20/2002 |
| 6237633 | Low emission disconnect system A low emission fluid disconnect is provided along a flexible flow line for transmitting fluid from the transport to a bulkhead. The disconnect includes a ball valve including a ball rotated between the opened and the closed positions about a stem axis. Th... | 05/29/2001 |
| 6179589 | Scroll machine with discus discharge valve A scroll compressor includes a discharge valve assembly for blocking compressed refrigerant flow from the discharge chamber through the scroll members. This blocking of flow results in an increased performance for the scroll compressor by minimizing the r... | 01/30/2001 |
| 6155295 | Low emission disconnect system A low emission fluid disconnect 10 is provided along a flexible flow line 12 for transmitting fluid from the transport 16 to a bulkhead 14. The disconnect includes a ball valve 32 including a ball 31 rotated between the opened and the closed positions abo... | 12/05/2000 |
| 6089262 | Retained seat check valve A unique, inexpensive and easily manufactured check valve device features a valve housing, a valve seat, a resilient ring seal, a retaining sleeve, a valve member and a valve spring. The valve housing defines an inlet channel, an outlet channel and at lea... | 07/18/2000 |
| 5842504 | Safety valve for an inverted liquid-filled canister A safety valve for retaining liquid in an inverted, liquid-filled canister inserted within a receptacle having an outlet, includes a valve having a base and a head, a retainer attached to the receptacle, the retainer having a compartment for receiving the... | 12/01/1998 |
| 5797427 | Fuel injector check valve A diesel engine unit injector is combined with a check valve having fuel delivery passages (notches or slots) with radially-inner edges that are concave in shape whereby areas of relatively high-velocity interfacial flow between the check valve disc and t... | 08/25/1998 |
| 5794657 | Safety check valve for fuel delivery system The invention concerns a fuel check valve to prevent unintentional siphoning of fuel from a cell should a fuel delivery line by severed. The check valve includes a valve housing having a fluid conduit coupling a first and second orifice. An internal seat ... | 08/18/1998 |
| 5725019 | Pressure retaining valve The invention relates to a pressure retaining valve including a housing which has a housing inlet passage and a housing outlet passage which can be connected to the housing inlet passage, a valve piston which is movable in the housing and has a valve shaf... | 03/10/1998 |
| 5692539 | Check valve for liquids A check valve for a liquid control system. The check valve includes a body member and a cap member which define an internal chamber that communicates an inlet tube with an outlet tube. Disposed within the chamber is a disc and a biasing means. The disc en... | 12/02/1997 |
| 5669412 | Two-piece check valve assembly A two-piece check valve device comprising a rubber sealing element and a plastic carrier member. A through bore in the plastic carrier member receives the sealing element, which is formed with an annular groove in which the carrier member is removably sec... | 09/23/1997 |
| 5546981 | Check valve A check valve for a metering device having a negligible pressure drop thereacross includes a valve seat defining an inlet flow region, an open support frame projecting outwardly from the valve seat to define an outlet flow region having a predetermined fl... | 08/20/1996 |
| 5451148 | Check valve device for scroll compressor A check valve device is provided for a scroll compressor in which a crescent-shaped compression chamber is defined by a fixed scroll and an orbiting scroll, the orbiting scroll being driven to compress gas introduced into the compression chamber such that... | 09/19/1995 |
| 5349984 | Check valve A check valve having a presettable cracking pressure. The check valve employs a spring-loaded valve element in which the compression spring and valve element are held into position in the valve body by means of an apertured plug.... | 09/27/1994 |
| 5253987 | Fluid end for high-pressure fluid pumps A fluid end for use in high-pressure, reciprocating, fluid pumps has a cylinder with a bore therethrough in which a plunger reciprocates. A valve body is disposed at one end of the bore and includes suction valve seat and a discharge valve seat, which are... | 10/19/1993 |
| 5183075 | Check valve Check valve with a movable valve element (3), especially a valve element that is manufactured from a ball, said valve element possessing a spherical surface (7) which faces a valve seat (5) and serves as a sealing surface, possessing a radial guidance zon... | 02/02/1993 |
| 5139047 | Miniature check valve construction A miniaturized check-valve construction utilizes a length of straight cylindrical tubing for its body, wherein the open ends of the tube are the inlet (or upstream) and outlet (or downstream) ports of the valve. The tubular body is locally deformed to fix... | 08/18/1992 |
| 5092229 | Entirely uniformly heated responsive cooker An entirely uniformly heated responsive cooker comprising an inner pot and an outer pot, wherein the inner pot neither directly touches the heating source nor the wall portion of the outer pot by means of exhalation valve means capable of adjusting proper... | 03/03/1992 |
| 5092361 | Inline type check valve An inline type check valve having a tubular body, a mushroom or umbrella-shaped piston axially, movably mounted in the tubular body, a coil spring disposed behind the piston in the body, and a hollow disk axially removably fixed to the body. Both the body... | 03/03/1992 |
| 5076328 | Pressure relief valve assembly An adjustable pressure relief valve for use in a fluid pressurized system. The pressure relief valve has a valve body with a passage that terminates at inlet and outlet ends. The passage includes a valve chamber, a valve seat at the inlet end, and a valve... | 12/31/1991 |
| 4971093 | Check valve In a check valve wherein a possible malfunction resides in a thread pipe end being seat too far into the valve housing in a position to make a contact with the movable head or poppet of the valve and thus undesirably close the valve, vanes are provided in... | 11/20/1990 |
| 4961449 | Reservoir cap The invention relates to a cap for a hydraulic fluid reservoir for a brake circuit of a vehicle. According to the invention, it has a filling aperture (24) intended to be closed by a valve member (38) through the action of a spring (36) mounted in the cap... | 10/09/1990 |
| 4921007 | Master brake cylinder suction refill valve A suction refill valve for a master brake cylinder which is suitable for use in brake systems having brake slip control. The refill valve has a sealing element, made from an elastic material, which is annular and is acted upon on virtually all sides by th... | 05/01/1990 |
| 4913182 | Plumbing fixture check stop A check stop for use at the inlet of a plumbing fixture such as a flush valve includes a conduit and a sleeve attached at the inlet of the conduit. The sleeve has an inlet and an outlet and there is a valve member movable to close the sleeve inlet. There ... | 04/03/1990 |
