Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 8061687 | Plug valve A plug valve assembly having an inlet and an outlet comprises a housing including a bore extending through the housing between the inlet and the outlet and a cavity intersecting the bore, a plug mounted in the cavity for rotation between first and second positions. ... | 11/22/2011 |
| 7946558 | 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... | 05/24/2011 |
| 7322559 | Plug valve having high flow resolution The invention relates to a valve with high flow resolution within a flow range, which valve comprises a valve housing and a valve plug, whereby the valve plug comprises a cavity and a flow regulating slit which in cooperation with the valve housing forms a flow pass... | 01/29/2008 |
| 7213609 | Control system for high pressure oil wells A pressure reducing valve assembly for a high pressure oil well comprised of a hollow housing and a metering assembly disposed within such housing, such metering assembly comprising an entry liner having an entry bore, an exit liner having an exit bore, and a rotata... | 05/08/2007 |
| 7174913 | Gas tap for a cooking appliance, with a cover for the rotary shaft The manual gas tap for a cooking appliance is of the type with a conical plug (3) for regulating the outlet gas flow (G), accommodated in a central housing (2a) in the tap body, and has a rotary actuating shaft (4) coupled to the conical ... | 02/13/2007 |
| 7066445 | Control valve having closely sealing effect A control valve includes a valve seat, a control switch, and at least one leakproof ring. Thus, when the control valve is disposed at a closed state, the water inlet or the water outlet of the valve seat is stopped by the leakproof groove of the control switch and i... | 06/27/2006 |
| 6880808 | Gamma-stable high pressure stopcock A medical stopcock is provided that is constructed and arranged to withstand high pressures and gamma irradiation. The stopcock generally includes a housing and a valve member. The valve member is trapped within the housing so that, when subjected to relatively high... | 04/19/2005 |
| 6708948 | Endoscope stopcock with a detent device A stopcock for controlling ducts in a medical endoscopes passing flux media, including a housing made of a hard material and rotatably receiving a conical plug in a conical seat crossed by a duct. The housing subtends, in the direction of the axis of rotation and be... | 03/23/2004 |
| 6651957 | Tractrix valve A new, unique combination of the tractrix valve and the tractrix stem seal is described as an improvement over the original patents issued. The plug and the stem seal are juxtaposed large end to large end. The stem seal functions as a fluid seal and as a ... | 11/25/2003 |
| 6640823 | Fitting A fitting including a housing (2), a rotatable body (4) which is situated in the housing and which may advantageously be constructed in the form of a conical plug, a bushing (18) provided in the housing to floatingly mount and seal the rotatable body (4),... | 11/04/2003 |
| 6536742 | Multi-way cock A multi-way cock including a substantially hollow-cylindrical housing with attachment bores on its outer circumference; a plug rotatably mounted in the housing and having a through-channel transverse to an axis of rotation and which may be aligned with th... | 03/25/2003 |
| 6129338 | Motorcycle fuel system petcock valve A fuel line petcock valve including a handle which may be oriented in one of several positions so as to orient the inlet and outlet of the petcock valve to conform to different motorcycle fuel systems and to provide a full shut, full open and intermediate... | 10/10/2000 |
| 5918775 | Liquid dispenser A simplified liquid dispenser comprises a hopper formed at the bottom into a base through which a base passage is drilled. The hopper contains the liquid to be dispensed. A rotary plug valve controls the flow of the liquid through the base. The plug valve... | 07/06/1999 |
| 5704590 | Drain valve for bladder-type bulk container A valve has a molded plastic valve housing defining an inlet port, an outlet port, and a chamber between the ports. The housing also has a collar defining an opening into the chamber and carrying a molded plastic cap formed with a central hole. A molded p... | 01/06/1998 |
| 5372158 | Valve with backflow preventer A valve with a backflow preventer has a valve housing with a fluid inlet, a main flow channel, and a fluid outlet formed therein. A valve element is provided in the valve housing to selectively actuate the valve. The valve element is rotatable between an ... | 12/13/1994 |
| 5372352 | Apparatus for sealing a fluid carrying device A novel sealing arrangement for fluid carrying devices and particularly for plug type valves, such as retractable double block and bleed plug valves. The sealing arrangement of the present invention adds secondary and tertiary seals to the conventional pa... | 12/13/1994 |
| 5349983 | Proportional control valve for patient support system A proportional flow control valve is provided for use with low air loss patient support systems. The valve includes a valve housing having an inlet and an outlet defined therein with a valve passage defined through the housing between the inlet and outlet... | 09/27/1994 |
| 5327929 | Plug valve A plug valve having a body with an inlet, an outlet and a plug-receiving opening which intersects the inlet and outlet. A plug is mounted in the opening and has an outer wall and an orifice extending therethrough. The plug is movable from an operative pos... | 07/12/1994 |
| 5326074 | Enhanced sealing arrangement for a rotary valve shaft A valve has an actuating shaft packing assembly for located in a valve enclosure cover for preventing leakage of process fluid into the space between the actuating shaft and the cylindrical sidewall of a bore in the cover. The assembly includes an annular... | 07/05/1994 |
| 5249775 | Closure A stop valve assembly comprises two closure members one for stopping substantive gas or liquid flow and the other to prevent leakage along a spindle section 33. Each member possesses a closure element in the form of a rigid disc-like member (9 or 34) of a... | 10/05/1993 |
| 5113904 | Flow control device for administration of intravenous fluids A metering apparatus and system for controlling the administration of IV fluids having a valve housing with a valving chamber therein. A rotatable valve body member is positioned within the valve chamber and a valve passageway of variable cross-sectional ... | 05/19/1992 |
| 5108075 | Orifice valve assembly An orifice valve assembly which may be utilized to control the flow of a fluent material, such as powdered magnesium, propelled by gas under pressure, the valve controlling the flow in a linear manner. The valve includes a valve body having first and second ad... | 04/28/1992 |
| 5078176 | Valve assembly for a filter device A valve assembly for use in a filter device is disclosed herein. The valve assembly includes a valve housing, a cylindrical bore in the housing defining at least one open end, a valve stem inserted in the bore and including a groove about the circumferenc... | 01/07/1992 |
| 5076540 | Stop valve A three-piece angle stop valve comprises a valve body, resilient control sleeve and handle, with no separate fastening or sealing elements required. Inlet line pressure resiliently biases the side walls of the control sleeve and a circumferential sealing ... | 12/31/1991 |
| 5050843 | Plug valve with metal-to-metal sealing A plug valve with metal-to-metal annular sealing rings with a V shaped cross section to provide a resilient force for sealingly engage with respect to a horizontal sealing surface and a nearly vertical rotatable sealing surface and/or with a vertical seal... | 09/24/1991 |
| 5031876 | Cock with ball-shaped stopper An improved valve with ball-shaped stopper, comprising a valve housing in which the stopper forms a seal with two faces developing in parallel planes opposite each other and in which the ball-shaped stopper, the stopper handle and the control rod connecti... | 07/16/1991 |
| 4989631 | Valve device with control sleeve and check valve A full opening sleeve valve device with check valve for controlling fluid flow through a line pipe or the like. The valve device has a housing, and a flow passageway extends through the housing and terminates at opposed ends thereof. The opposed ends of t... | 02/05/1991 |
| 4942897 | Remote control and remote handling accessory, especially for the hot zone of radioactive plants The remote control and remote handling accessory is of such design that an xchange part (7) contains all elements subject to wear of the accessory, while the anti-wear elements, in particular the accessory case (2) remain firmly connected to the pipeline (... | 07/24/1990 |
| 4932348 | Remote control valve This invention relates to a remotely operated valve for closing and opening a conduit in communication with the interior of a boat to preclude water from entering or leaving the boat except when desired by the operator by the boat. The valve has applicati... | 06/12/1990 |
| 4930748 | Shutoff and regulating valve A shutoff and regulating valve contains, in a housing (2), a shutoff element which is designed especially as a stopcock (8) and which is arranged to be rotatable by means of a stem (26). The stem (26) is guided outward through a housing cover (20), a firs... | 06/05/1990 |
| 4927116 | Plug valve A quarter-turn, on-off plug valve having a valve body provided with a recess opening through a first portion of the body and closed at the opposite end by an integral portion of the body. A pair of stops are provided on a stem portion of the plug for accu... | 05/22/1990 |
| 4917141 | Remotely manipulatable valve It comprises on a pipe, a body (1), an internal assembly (20), an actuator (70) and a holding assembly (40). These various parts can be easily locked and released by standard tools and can be extracted or refitted by simple translation. Positioning and ce... | 04/17/1990 |
| 4901763 | Fluid valve apparatus A fluid valve apparatus has a spool mounted for movement within a spool cavity of a body, the body having inlet and outlet ports therein. The spool has a spool closure portion which is adapted for sealing against the outlet port when positioned thereagain... | 02/20/1990 |
| 4890817 | Quarter-turn valve A quarter-turn valve comprises a housing formed with a cylindrical socket, and a cylindrical plug receivable within the socket and having a bore extending diametrically through the plug for establishing communication between the inlet and outlet nipples i... | 01/02/1990 |
| 4846213 | Drain through ball valve A fluid control valve with a rotatable shaft and a ball valve mounted within a flow bore. The ball has one or more V-shaped grooves for controlling fluid flow. In the closed position the ball and walls of the flow bore are in a continuous line sealing con... | 07/11/1989 |
| 4809949 | Plug valve Plug-type angle valve comprising a valve body and a unitary valve plug formed of a plastic material. The valve body has upper and lower trunnion seats and at least two fluid ports, one being a control port located at a position intermediate the trunnion s... | 03/07/1989 |
| 4802506 | Flow control device for administration of intravenous fluids A metering apparatus and system for controlling the administraton IV fluids having a valve housing with a valving chamber therein. A rotatable valve body member is positioned wihtin the valve chamber and a valve passageway of variable cross-sectional area... | 02/07/1989 |
| 4794944 | Plastic valve A service valve includes a valve body (12) having an upper chamber (18), a lower chamber (20), an open top end (22) and an open bottom end (24). The lower chamber (20) includes an inlet opening (26) and an outlet opening (28). A valve member (14) is dispo... | 01/03/1989 |
| 4753418 | Non-rise faucet assembly having stem locator cap to insure proper sealing A non-rise faucet assembly including a body 12 having a bore 14 therethrough. The bore includes a fluid inlet end 16, a valve stem chamber 17, a valve seat 19 and a fluid outlet 22. A valve stem 29 is rotatably mounted in the bore with a valve means 33 in... | 06/28/1988 |
| 4744390 | Plastic valve A plastic service valve includes a valve body of molded plastic having upper and lower chambers. The valve body is open at the top and bottom ends. The lower chamber includes inlet and outlet openings. A thrust seat is formed within the upper chamber betw... | 05/17/1988 |
