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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7357145 | High-pressure, hemi-wedge cartridge valve A valve having a cartridge that fits within the valve housing and that may be replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed positi... | 04/15/2008 |
| 7354216 | Grease seal cup to retain lubrication for life extension in existing splined joint A grease seal cup for a splined joint between a drive shaft and a driven shaft comprises a cylindrical portion adapted to form a seal with the outer surface of the drive shaft and a seal with a sealing member, such as a spanner nut, of the driven shaft. The grease s... | 04/08/2008 |
| 7306010 | Ball valve with snap-in stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and snap-locked to the resilient opposed locking arms of the ball... | 12/11/2007 |
| 7051763 | Faucet adapter A faucet adapter including, without limitation: a valve body having a valve; an inlet end coupled to the valve body for connection to a faucet; a tubular member having an outlet end and a coupling end; and a coupling connection for coupling the tubular member to the... | 05/30/2006 |
| 7025133 | Multiple bore christmas tree outlet A large bore Christmas tree includes a production outlet that is split into multiple separate outlets, each controlled by a separate, standard sized valve and valve actuator. ... | 04/11/2006 |
| 6988709 | Bearing retainer for trunnion mounted ball valve A bearing retainer for a valve having an internally mounted stem and valve member with a trunnion and a bearing positioned thereabout is disclosed. The bearing retainer has a retainer body having a bearing receiving opening extending from a first side to an opposed ... | 01/24/2006 |
| 6834662 | Irrigation system apparatus, and related method An improved apparatus and method are provided for irrigation systems such as automated sprinkler systems. A pre-assembled housing or valve box includes an inlet for receiving water and one or more outlets for distribution of water to other components in the irrigati... | 12/28/2004 |
| 6822577 | Position indicator for submerged valves The position indicator is applicable to submerged valves forming part of hydraulic systems for the transfer of liquids or gas, based on that the corresponding signal which is obtained as a consequence of the state or position (open or closed) of the valve is transmi... | 11/23/2004 |
| 6378550 | Ball valve extractor An apparatus and process for removing a ball valve is provided. The ball valve removal tool provides a handle sliding along the length of a shaft. One end of the shaft is secured within an interior cavity of a ball valve while the opposite end of the shaf... | 04/30/2002 |
| 6230735 | Valve jacket A valve jacket is provided to surround a valve and contain any liquid that may leak from the valve as a part of a secondary containment system of the type found a gasoline service stations. The valve jacket is provided as a hollow body with a pair of open... | 05/15/2001 |
| 5975104 | Ball valve seal replacement apparatus and method While fluid pressure is present on the upstream side of a ball valve assembly, a jig is mounted to the downstream flange of the ball valve assembly. The jig has two hinged arms. A jack-screw pad engages the ball while one or the other of the arms is posit... | 11/02/1999 |
| 5820103 | Ball segment valve and ball segment valve arrangement A ball segment valve comprise a valve housing (23) with a circular annular valve seat (28), a valve body (26) which has the shape of a spherical segment which is rotatable about an axis of rotation (49) which intersects the center of the sphere of which t... | 10/13/1998 |
| 5662138 | Drop head structure The present invention relates to a water drop structure which not only functions as a water drop but also prevents pests from intruding indoors, smell from leaking indoors, and sewage back flow when the robe is clogged. It has a main body, main drum, cont... | 09/02/1997 |
| 5590680 | External valve operating means An external valve operating means that forms a seal around the rotating valve stem of a valve operating under internal pressure is disclosed. This seal prevents the escape of fluids should the valve's primary seals fail. The external valve operating means... | 01/07/1997 |
| 5562116 | Angle entry rotary valve Straight line flow rotary valves with the valve member flow passage (21) turned away from the pipeline flow axis (22), to dispose the valve internals to an access port (50) located downstream on the same flow axis of the valve member (11 ). Another embodi... | 10/08/1996 |
| 5472011 | No shut-off repair apparatus for stop valves The primary component of the apparatus is a full port ball valve. One port of the valve is adapted to attach to the bonnet threads of a stop valve. A tubular chamber is attached to the other port of the ball valve with the axes of the ball valve body and ... | 12/05/1995 |
| 5467796 | Ball valve with a strainer and integrated means for flushing the strainer A ball valve having a valve body defining a ball valve chamber and having a longitudinal axis defined by inlet and outlet passages. A ball valve element is rotatably disposed in said valve chamber. The ball valve element has a diametrically disposed fluid... | 11/21/1995 |
| 5429151 | Through-hull valve and mounting unit An integrated plumbing system comprising a plurality of interchangeable and interengagable parts which is especially useful in conjunction with boats or other marine vessels. The plumbing system includes a through-hull unit, a mounting unit, a ball valve ... | 07/04/1995 |
| 5361801 | Ball valve A ball valve has a housing which rotatably carries a ball. The housing has inlet and outlet ports. The ball has two ports which may be rotated to align with the housing's ports. The ball carries a cartridge in a cartridge compartment located transverse to... | 11/08/1994 |
| 5360036 | Vented ball valve with lock-out ring The present invention relates to a vented ball valve and lockout ring assembly. A vented valve assembly including a valve body having a vent hole therein, and first and second flow-through ends with a valve member receiving chamber thereinbetween, and a s... | 11/01/1994 |
| 5286129 | Coupling device and methods of coupling Coupling devices have a housing comprised of first and second housing parts together forming an interior cavity which houses a rotatable coupler, preferably comprised of first and second coupler segments, the device being coupled or not depending upon the... | 02/15/1994 |
| 5275200 | Oil draining control valve The oil draining control valve comprises a valve housing having a fluid passage and a shaft housing; a valve body pivotally housed in the fluid passage of the valve housing; a rotary shaft also rotatably housed in the shaft housing and engaged with the va... | 01/04/1994 |
| 5201340 | Automatic drainage device for cargo containers The present innovation pertains to a device with which containers, in which water collects in an unintentional manner, are automatically drained. An outer housing (2, 3), which can be inserted into the bottom of the container, is subdivided by a web (8a) ... | 04/13/1993 |
| 5188335 | Ball valve with lockable security device A ball valve comprising a body including a valve chamber having inlet and outlet ports, and a rotatable ball element disposed within the valve chamber, the ball element having a conduit therethrough which communicates with the inlet and outlet ports. The ... | 02/23/1993 |
| 5067691 | Ball cock A ball cock including a housing of a thermoplastic material. The housing is composed of two parts which are integrally connected to each other. A ball plug is made integrally with a pivot of plastics material. The pivot is mounted in a bore extending tran... | 11/26/1991 |
| 4844410 | Adjustable seat assembly for a valve There is provided a seat assembly adapted to be received in a spool bore of a valve having a fluid controlling member for controlling the flow of fluid through the valve, with the spool bore having a threaded interior portion. The seat assembly includes a... | 07/04/1989 |
| 4776364 | Ball slide, specifically for pressure lines in hydropower plant The tubular rotary body of a ball slide consists of components which transverse to its longitudinal axis bear on one another and are detachably connected with one another. The rotary body is preferably split in two in its axis of rotation plane. Reinforce... | 10/11/1988 |
| 4727901 | Ball valve A ball valve device for subsea applications, capable of being dismantled for inspection and maintenance without disrupting normal operations of the pipeline and without causing leakage into or out of the pipeline is disclosed. The ball arrangement of the ... | 03/01/1988 |
| 4715414 | Concentric well-type extractor tube for filling containers with pressurized fluid A concentric well-type extractor tube having two concentric valves retained in a valve neck for filling containers, such as beer kegs, with pressurized beverages. The length of the valve neck is reduced so that the bottom of the valve neck is horizontally... | 12/29/1987 |
| 4681133 | Rotatable ball valve apparatus and method A safety valve and method is disclosed having a housing in which a rotatable valve is disposed between upper and lower passages and lateral outlets. The ball has a removable insert such that in one position of the ball, the insert can be removed to provid... | 07/21/1987 |
| 4624281 | Control valve A control valve comprises a body having a fluid inlet and a fluid outlet and a rotary member provided with two separate internal passages, each capable of connecting the fluid inlet to the fluid outlet, according to the angular position of the rotary memb... | 11/25/1986 |
| 4600032 | Rotary shaft seal assembly A rotary valve having a housing enclosing a drive shaft and a rotor assembly. The housing has an inlet, an outlet, an access end, and a detachable closure plate for closing the access end. The drive shaft, which is journalled in the housing, has a shaft e... | 07/15/1986 |
| 4535806 | Valve assembly for the supply of a pressurized gaseous fluid to closed containers A double-acting valve for the supply of a pressurized gaseous fluid to a closed container includes a resilient sleeve-shaped pressure valve member co-operating with a seat in a part of the valve housing and forming per se a seat for a non-return valve bal... | 08/20/1985 |
| 4449544 | Blowdown valve A ball valve is provided for cleaning out piping systems between steam boilers and turbine generators of electrical power generating plants prior to start up operations. The valve is designed to minimize impingement between foreign substances trapped in t... | 05/22/1984 |
| 4446883 | End loaded valve An end loaded ball valve having a fluid channel and a ball moving gate with a ball that seats against a valve seat to block passage of fluid through the valve. The valve also includes a removable retainer in the flow channel of the valve. The retainer, wh... | 05/08/1984 |
| 4325403 | Single-control mixing cock with plates made of hard material In a single-control mixing cock the proportion of mixing between hot water and cold water and the delivery flow rate are controlled by plates (10,14) of hard material sliding one with respect to the other along plane surfaces and contained within a replac... | 04/20/1982 |
