Class 251/89.5 - Actuator, or blocking means, includes flow path joint

Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter wherein (1) the actuator which is detained,
No. of patents: 38
Last issue date: 12/13/2011

Number	Title	Issue Date
8074959	Load line apparatus An apparatus is provided which prevents the removal of a companion fitting when the valve is open. Thus, for example there is disclosed a load line apparatus comprising a housing, a valve, a cam lever, or more likely a pair of cam levers, and a locking device. The h...	12/13/2011
7484709	Press-down valve for medical instruments for suction and irrigation A press-down valve is provided for medical instruments for suction and irrigation and a medical instrument having installed such a press-down valve. A valve stem is pressed permanently into a closure position via a pretensioned spring. For actuation, the valve stem ...	02/03/2009
7401562	Emergency shutoff system and method A safety system is provided for an anhydrous ammonia nurse tank (4) pulled by a tractor (1) with a tool bar applicator (2). The system includes a safety valve (10), and a breakaway coupling or connector (12) along a flexible hose (...	07/22/2008
7320484	Plug-in safety coupling A plug-in safety coupling for pressurized conduits includes a blocking element, which is mounted in a coupling housing; the blocking element includes a through bore in which a coupling plug may be introduced in a sealing manner. A pivot path of the coupling housing ...	01/22/2008
7287557	Anesthetic tank of an anesthetic dispensing unit An anesthetic tank (1) of an anesthetic dispensing unit is used especially for desflurane and has improved reliability of operation by mutually complementing level monitoring devices. The anesthetic tank (1) is equipped with a level tube (3) arr...	10/30/2007
7219874	Access fitting for gas sampling bag An access fitting has a housing with a base and a cap located respectively on interior and exterior sides of the wall of a gas sampling bag. The base and cap are provided respectively with inner and outer ports aligned with an opening in the bag wall to provide a th...	05/22/2007
7213845	Tube joint A tube joint comprises a retaining mechanism which retains the locked state by preventing a sleeve from any rotation in the circumferential direction which would be otherwise caused by any unexpected external force. The retaining mechanism includes a ratchet which i...	05/08/2007
7036441	Safety system for mobile anhydrous ammonia fertilizer system A safety system for a mobile anhydrous ammonia fertilizer application system is configured to be remotely actuated closed by the operator in the event of a leak in the system, and to automatically shutdown the system in the event of an actual or impending nurse tank...	05/02/2006
6921111	Remotely actuated quick-release coupling A remotely actuated quick-release coupling having a male assembly and a female assembly. The female assembly has an inner sleeve and an outer sleeve, with the male assembly being removably insertable into the inner sleeve. A spring-loaded latching mechanism is locat...	07/26/2005
6860468	Flowable-material transfer device and system Flowable-material transfer apparatus and device for transferring flowable material from one containment vessel or system to another. The apparatus comprises a connector device, a closed conduit system, and applicable force systems and controls for effecting efficien...	03/01/2005
6837270	Gas delivery system and pneumatic yoke for a pressurized gas reservoir The present invention provides a pneumatic yoke for a pressurized gas reservoir. The yoke comprises an aperture for receiving a stem of the pressurized gas reservoir, the stem having a stem valve selectively operable to permit a flow of pressurized gas through an op...	01/04/2005
6736367	Hose coupling lock for a valve and method of use of the same A method and apparatus for locking a hose onto a hose coupling for a valve. A rigid linkage is pivotally mounted adjacent to the valve with a hose engaging member at a first end and an actuator engaging member at a second end. The linkage is pivoted to position the ...	05/18/2004
6672327	Dry break valve assembly A valve assembly with an automatic check valve feature and automatic disassembly feature. The valve assembly includes an actuating mechanism which keeps the valve gates open, establishing fluid communication. The fluid checking feature operates when the v...	01/06/2004
5560584	Safety filling device with a closing element A safety filling device for filling a liquid anesthetic into a filling space of an anesthetic evaporator from a storage container by means of a filling adapter, which can be pushed into an insertion opening, with a closing element, which interrupts the fl...	10/01/1996
5483993	Maintainable in-line fluid connector The in-line fluid connector serves to separate the upstream and downstream portions of flexible or semi-flexible conduit to allow maintenance on the flow system. The connector includes a female valve and sleeve attached to one portion of the conduit and a...	01/16/1996
5451031	Quick-connect-disconnect non-mar coupling This fluid coupling (10) includes a metallic tubular body (12) having an inlet end (14) and an outlet end (16), the outlet end being adapted to receive a quick-connect-disconnect plug (20). A metallic actuating sleeve (32, 38) is mounted to the body (12) ...	09/19/1995
5374085	Locking device for fluid coupling A mechanical locking device for use with conventional quick disconnect fl coupling having a release collar on the female component spaced from a flange or nut also on the female component. Upper and lower half shells of the locking device fit between the...	12/20/1994
5330152	Flush valve chock A chock for holding open a valve member of a flush valve assembly of a portable toilet having an outlet for communicating the toilet with a storage tank, the valve member being associated with the outlet and movable between a closed position wherein the v...	07/19/1994
5312084	Supply fitting for gas cylinder valves, particularly of acetylene cylinders The supply fitting for gas cylinder valves, particularly of acetylene cylinders, consists of a housing provided with a supply inlet and a portion for engaging and retaining a gas cylinder vlave, which portion is formed with a supply outlet, a piston sleev...	05/17/1994
5149053	Disconnection-preventing safety device for liquefied gas bottle valve for use with quick-coupling connector Safety device for liquefied gas bottle valves for use with a quick-coupling connector. The device is positively controlled and activated by the same control knob as the valve. The quick-coupling connector can be disconnected only when the valve is complet...	09/22/1992
5067520	Tap for compressed or liquefied gas The tap comprises a closure member (22) in a chamber (20) at the intersection of an axial inlet channel (14) and a radial outlet channel (16), and a valve intended to contain a specific residual pressure in the bottle through the action of a spring (44). ...	11/26/1991
5029607	Tamper-resistant fluid connector A tamper-resistant fluid connector is mounted to a wall for quickly connecting and disconnecting a fluid supply line to an appliance or other device. The tamper-resistant fluid connector has a housing body with an inlet. A plug is rotatably secured within...	07/09/1991
4982734	Anaesthesia equipment Anaesthesia equipemnt comprising an anaesthesia unit such as a vaporizer detachably mounted on a mounting rack by connecting means comprising guide means to provide substantial leak-proof engagement of the connecting means. The guide means may comprise an...	01/08/1991
4982929	Safety valve coupling Apparatus for preventing fluid flow upon decoupling of first and second fluid delivery tubes, wherein the first fluid delivery tube includes a reception outlet and the second fluid delivery tube includes an insertion outlet for insertion and coupling with...	01/08/1991
4905965	Quick-disconnect hose coupling device An improved quick-disconnect hose coupling comprising a female coupling half having a ball valve designed with positive interlocking means for retention of a male coupling half in a receptacle formed therein. The ball valve is enclosed in a housing and is...	03/06/1990
4830044	Piping connector This invention relates to a piping connector, which is used, in particular, for the provisional closing off of water connections in buildings under construction. To make possible a specified flushing of the pipes closed with the sealing plugs, the piping ...	05/16/1989
4561633	Valve for animal watering tanks In order to make possible, with a valve having a sleeve (110) provided with a valve seat (112) and with a valve activating tube (118) which supports a spring-biased valve body (114) which can be tipped away from the valve seat (112), a high water flow rat...	12/31/1985
4538746	Keg-tapping assembly The invention contemplates improved safety interlock mechanism incorporated in a keg-tapping assembly which is removably attachable to a standard beer keg or the like, via a bayonet-type engagement between lugs on the keg and a slotted flange on the keg-t...	09/03/1985
4497343	Disconnect arrangement for beverage dispenser valves An improved disconnect arrangement for a beverage dispenser valve assembly prevents disconnection of the valve assembly until the carbonated water and beverage syrup disconnect valves in the mounting block are closed thereby preventing accidental removal ...	02/05/1985
4426063	Terminal pipe fitting provided with a self-locking device for the releasable coupling to a flanged mouth, particulary for the loading of a fluid oil product into a lorry tank The pipe fitting includes a movable seat equipped with an appendix enagageable from its front side by the mouth during the approach of the pipe fitting to the mouth. As a result of such engagement, the movable seat moves to a latching position to put itse...	01/17/1984
4413756	Aerosol insect exterminator device A device for instantaneous, non-poisonous extermination of insects by means of an aerosol assembly having a cap enclosure removably secured to the aerosol nozzle for trapping an insect. The propellent in the aerosol can, upon release in the cap enclosure,...	11/08/1983
4397445	Safety valve unions The present invention relates to safety valve unions wherein the rotating plug is shaped so as to retain when it is in open position the terminal end of the male element which is released when said plug has been brought into closed position. The opposite ...	08/09/1983
4351327	Device for connection to a respiratory gas line A device for connection to a respiratory gas line, particularly a narcosis apparatus, comprising, a terminal board having a first engagement surface thereon and a respiratory gas line defined therein with a first pair of connecting lines extending from th...	09/28/1982
4311174	Safety dispenser attachment for dangerous liquid additives A dispenser safety attachment for liquid additives and particularly for periodically dispensing increments of liquid additive which are corrosive, carcinogenic or otherwise possess qualities which suggest that contact therewith be avoided. The device is c...	01/19/1982
4291821	Keg tapping system unit and valve interlock In a keg tapping system, a keg unit in each keg has coaxial gas and liquid valves, and a tavern unit, detachably connectable to the keg unit, has a lever actuated plunger that is depressed to open the valves in the keg unit and to open a gas valve in the ...	09/29/1981
4271865	Dry break coupling valve A dry break coupling for connecting a pair of fluid conduits includes first and second housings adapted for connection to the respective conduits. The first housing includes a piston supported for axial sliding movement between a first position wherein fl...	06/09/1981
4201363	Tubing retrievable surface controlled subsurface safety valve Disclosed is a tubing retrievable surface controlled subsurface safety valve having provisions for blocking communication of control fluid to the valve's pressure responsive operator and for locking the valve open in the event of valve failure. This abstr...	05/06/1980
4036257	Liquid cargo loading apparatus An apparatus is provided for rapid loading and unloading of large volumes of liquid to and from a cargo transport, herein a landed aircraft transport. At a ground station, liquid is loaded from, or unloaded to, a reservoir equipped with a positionable, ex...	07/19/1977

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Class 251/89.5 - Actuator, or blocking means, includes flow path joint