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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 7338027 | Fluid saving blowout preventer operator system A hydraulic blowout preventer operator comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through the bon... | 03/04/2008 |
| 7300033 | Blowout preventer operator locking system A blowout preventer operator locking system comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through th... | 11/27/2007 |
| 7278449 | Switch, especially for branching off bulk material flows The invention relates to a switch for branching off bulk material flows, the switch includes a rotary plug (1) which is arranged in a fixed housing having preferably three connection openings. In a first position the plug establishes a connection between a fi... | 10/09/2007 |
| 7275564 | Pigging ball valve A pigging ball valve with a housing and ball core supported for rotation within the housing. The ball core sits on a valve seat, which is supported by a seat carrier. The valve seat carrier has three distinct diameters that locate the seat in the housing and thus pr... | 10/02/2007 |
| 7240691 | Rotary bleed valve assembly A rotary bleed valve (10) for a gas turbine engine comprises a passage (11) connecting high pressure gases from a compressor to an exhaust and a valve member (12), the valve member (12) may be rotated within the passage (11)so as t... | 07/10/2007 |
| 7204474 | High-pressure plug valve A plug valve has a valve body, a cage fitted within the valve body and a rotatable plug housed within a cylindrical cavity in the cage, for controlling fluid flow through the valve. The cage has first and second opposed flat side surfaces, each side surface has a po... | 04/17/2007 |
| 7007711 | Dispersion nozzle with variable throughput The invention relates to a dispersing device wherein the dispersed material has a variable throughput comprising a jet disperser which comprises at least one inlet for the materials to be dispersed, a chamber with a multiciplicity of openings arranged in rows along ... | 03/07/2006 |
| 6969042 | Blowout preventer and ram actuator A blowout preventer with a main body; a base releasably connected to the main body, the base having a base space therein, the base having a ram shaft opening; a primary piston movably disposed within the base space; a ram shaft to which the primary piston is connect... | 11/29/2005 |
| 6957816 | Loop seal for knife gate valve A seal for use with a knife gate valve is disclosed, the seal having a loop to which is attached an axially facing sealing lobe. A sealing surface is positioned on the sealing lobe, the sealing surface having an axially projecting leading edge and flanking annular s... | 10/25/2005 |
| 6955181 | Valve body and seal assembly A valve seal assembly comprising a valve body having one or more peripheral integral seal retention grooves and one or more peripheral elastomeric seals, each seal being cast-in-place in an integral seal retention groove having adhesion-inhibiting surfaces and offse... | 10/18/2005 |
| 6698444 | Freeing of seized valves In order to free a seized valve, an inspection port is formed in a wall of the valve body and the areas where the valve is seized are determined. One or more injection ports are formed in the valve body adjacent to the seized portions of the valve, pressu... | 03/02/2004 |
| 6675825 | Lubricated plug valve A plug valve is provided that may be lubricated while in service. The invention provides a high-pressure valve having a valve body containing a plug allowing bi-directional flow and moveable between an open and closed flow-through position. The valve perm... | 01/13/2004 |
| 6065736 | Ball valve having a non-integral upstream seat and at least one integral downstream seat A ball valve for controlling the flow of a fluid is provided having primary and secondary annular sealing seats which are disposed in the body cavity for the purpose of providing a seal between the valve body and a first hemisphere of a ball. An annular l... | 05/23/2000 |
| 6016829 | Check valve having function of adjusting flow rate of fluid A check valve having a function of adjusting a flow rate of a fluid and comprising a flat body composed of a plastic film; and a fluid take-out appliance inserted into a duct of the body. The fluid take-out appliance comprises a guide pipe; a flow pipe lo... | 01/25/2000 |
| 5971007 | Piston valve A piston valve for use in connection with the fire protection industry is disclosed which includes features for protecting against corrosion. A sacrificial zinc anode is mounted in the body of the valve under the handwheel. A polymeric piston is used whic... | 10/26/1999 |
| 5706851 | Plug valve A high temperature water-cooled gas-tight lubricated steel plug valve for handling abrasive particulates (such as iron ore or sponge iron) having a water-cooled hollow double-walled housing with opposing inlet and outlet, a hollow internally-baffled axial... | 01/13/1998 |
| 5520209 | Fluid relief device The present invention discloses a fluid relief device for relieving pressure of a fluid stored in a container or tank, or fluid used in a piece of equipment. In one aspect such a device has a body member with a primary channel therethrough in communicatio... | 05/28/1996 |
| 5465748 | Sanitizable slider diaphragm valve A sanitary slider valve shown specifically as a rotary carousel diaphragm valve which has a thermoplastic elastomeric diaphragm integrally molded to form the multiple sealing ports of the rotor/stator interface is described. Ports or grooves molded into t... | 11/14/1995 |
| 5341835 | Lubrication system for valve seat of a gate valve A lubrication system for the block and bleed valve seat of a gate valve. Lubrication is provided to the seat through tubing which communicates with the exterior of the gate valve to supply the lubricant and the interior channels of the valve seat. Seals i... | 08/30/1994 |
| 5327928 | Air seal valve An air seal valve comprises an annular valve body having a circular valve plate disposed internally thereof with a pair of axially spaced valves thereon defining a fresh air plenum, one of said valves comprising a truncated conical plate having a radially... | 07/12/1994 |
| 5287879 | Hydraulically energized wireline blowout preventer A single ram wireline BOP mechanism is disclosed which incorporates opposed rams having elastomeric packing capsules and outer elastomeric seals for accomplishing sealing about a wireline extending through the BOP body. The packing capsules cooperate to d... | 02/22/1994 |
| 5178363 | Valve stem sealing means for prevention of fugitive emissions A valve stem sealing means comprising first and second seal assemblies, the first seal assembly being proximate a valve plug and comprising an expandable ring adapted to be expanded by pressure within the valve to effect a first seal around the valve stem... | 01/12/1993 |
| 5159954 | Hinged safety-valve for large ducts This invention relates to a shutoff mechanism, in particular in the form of a hinged safety-valve for large gas ducts, which contains a plate-shaped shutoff body which can be pressed against a seat on the housing. To guarantee a reliable and secure shutof... | 11/03/1992 |
| 5129624 | Valve stem sealing means for prevention of fugitive emissions A valve stem sealing means comprising first and second seal assemblies, the first seal assembly being proximate a valve plug and comprising an expandable ring adapted to be expanded by pressure within the valve to effect a first seal around the valve stem... | 07/14/1992 |
| 5000422 | Incinerator valve A valve comprising a circular butterfly that is rotatable about an axis extending diametrically of a cylindrical valve housing. The butterfly has two axially spaced seal surfaces on the periphery thereof that, in conjunction with complementary axially spa... | 03/19/1991 |
| 4899775 | Corrosion-resistant overlay for the edge of butterfly valves An overlay for a valve disk of a butterfly or similar valve is formed from a strip of corrosion-resistant material. The strip is preferably profiled to conform to the edge of the disk and has an overall length less than the circumference of the disk. Both... | 02/13/1990 |
| 4892289 | Letdown valves A letdown valve for slurries under pressure is provided with a throttle 13 inside a housing 15 with interposed lubricant sealer and grooves 16 to accommodate any excess lubricant sealer. The throttle body 13 is held in place by a retaining ring 17 which i... | 01/09/1990 |
| 4749002 | Shut-off device in the form of a ball valve The ball valve comprises a body (1) provided with two coaxial pipe stubs (4, 5) wherein a ball means (2) rotatable by means of a rotating shaft device floats. In the closed position, the downstream face of the spherical circumference (12) of said ball mea... | 06/07/1988 |
| 4702269 | By-pass valve The present invention is directed to a valve having a plug with a pair of passages therethrough and a housing with ports which communicate with the passages of the plug in at least two orientations to form flow paths through the valve. The valve includes ... | 10/27/1987 |
| 4671915 | Method for making a glass precision valve A glass precision valve for use in liquid measuring instruments, the valve comprising a valve body having a conically sharpened head slidably accommodated in a bulged portion, which includes glass tubes at opposite ends, a valve seat provided by the insid... | 06/09/1987 |
| 4664140 | Reversing valve There is disclosed a reversing valve for use with a regenerative coke oven, in which the valve cock is lubricated, having four spaced longitudinally extending lubrication grooves that communicate with lubrication means when the valve is in one of its desi... | 05/12/1987 |
| 4658853 | Anti-leak valving system A butterfly-type step subassembly includes a substantially planar valve disc member having a peripheral groove formed in opposite surfaces thereof. Projecting inwardly from the internal walls of the subassembly housing are two non-coplanar, generally semi... | 04/21/1987 |
| 4635674 | Diverter valve assembly and method A diverter valve for a swimming pool/spa system is disclosed which has a lubricated seal assembly for the diverter portion of the valve. Valve lubrication is accomplished without valve disassembly. A method for minimizing the diameter of a valve body for ... | 01/13/1987 |
| 4601307 | Lubricated plug valve A rotary plug valve having a smooth, cylindrical inner sealing surface between the flow passageways with a grease fitting port opening through it. When the valve plug is turned to an intermediate position in alignment with the grease fitting, a charge of ... | 07/22/1986 |
| 4583569 | Wireline blowout preventer A ram-type blowout preventer having a removable seal insert contained in an insert cavity formed in the forward end of the ram body. Each seal insert includes an elastomeric body which forms an inner seal portion having a forward seal face and two outer s... | 04/22/1986 |
| 4565305 | Rotary vane valve A rotary vane valve having a cylindrical housing with a pair of opposed end bells and an interior axial shaft. Opposed inlet and outlet openings on the side of the cylindrical housing allow transverse fluid flow through the housing and radial vanes projec... | 01/21/1986 |
| 4531537 | Plug valve for reduced leakage A plug valve has an actuating stem which is non-integral with the valve plug. The actuating stem is axially movable with respect to the valve plug to compressingly and sealingly engage an external sealing member in response to fluid pressure. The plug wed... | 07/30/1985 |
| 4519414 | Mechanically balanced tapered plug valve The invention is a novel hermetic tapered plug valve having a spring-like resilient mechanism for providing axial balance to the plug and thereby prevent valve lock up.... | 05/28/1985 |
| 4506696 | Gas tight plug valve A rotatable valve member for use in controlling fluid flow in a conduit, such as a conduit used for the transmission of liquids and gas in oil servicing operations, is disclosed. The plug valve has a rotatable cylindrical plug member received within a bod... | 03/26/1985 |
| 4501286 | Rotary valve A valve structure including a valve body defining a valve chamber with a tapered bearing surface and a tapered valve member journaled in the tapered bearing surface. A spring-biased plunger mechanism constantly urges the valve member into slidable sealing... | 02/26/1985 |
