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Class 137/377 - Guards and shields


Subclass of Class 137 - Fluid handling
Definition: Devices in which the fluent material handling device or
No. of patents: 207
Last issue date: 12/13/2011


1            
NumberTitleIssue Date
8074676Shut off cover
A shut off cover removably attachable to a water shut off valve for protecting and decoratively covering the shut off valve. ...
12/13/2011
8015994Hydraulic unit
A hydraulic unit is provided with a housing having two planar portions neighboring at a predetermined angle between them. At least one opening is formed on each of the planar portions. For example, one opening and at least two openings are formed on the two planar p...
09/13/2011
7530366Vacuum pump cabinet
An cabinet for retaining a vacuum pump. The cabinet includes, in certain embodiments, removable access panels that allow access to the interior of the cabinet and to a vacuum pump placed within the cabinet. In certain embodiments the cabinet includes a top surface a...
05/12/2009
7475703Thermostatically controlled bypass valve
A thermostatically controlled bypass valve includes a housing having a first inlet port and a first discharge port located proximate to one another, wherein the first inlet port is configured to receive hot water, and the first discharge port is configured to discha...
01/13/2009
7475702Shut off cover
A shut off cover removably attachable to a water shut off valve for protecting and decoratively covering the shut off valve. ...
01/13/2009
7406979Gas delivery system with integrated valve manifold functionality for sub-atmospheric and super-atmospheric pressure applications
A gas cabinet including an enclosure containing at least one gas supply vessel and flow circuitry coupled to the gas supply vessel(s). The flow circuitry is constructed and arranged to flow dispensed gas from an on-stream gas supply vessel to multiple sticks of the ...
08/05/2008
7370663Barrier device for fluid system cover
A new and useful barrier device for a utility system cover is provided. The barrier device is designed to be coupled to a utility system cover (e.g. a water meter cover), in a way that effectively seals the opening in the cover against ingress of dirt, debris, anima...
05/13/2008
7370671Valve activation assembly which mechanically collapses a collapsible member in response to both overpressure and underpressure conditions
A valve activation assembly which mechanically collapses a collapsible member, such as a buckling pin, in response to both overpressure and underpressure conditions of a pressurized fluid. A retention member retains the valve member in a selected position with respe...
05/13/2008
7334824Door lever lock
A child safety lock for a lever door handle is rotatably mounted on a first side of a door and is biased in a first position. The child safety lock has a holder adapted to engage the door handle so that rotating the door handle rotates the holder. A cover is pivotal...
02/26/2008
7309055Apparatus for flushing fluids from a tube
A tube flushing device has a shell having a first housing and a second housing connected on a side thereof so as to be movable between an open position and a closed position. A first pair of wheels are rotatably mounted in the first housing. A second pair of wheels ...
12/18/2007
7287548Integrated valve assembly with means for blocking the actuator
An integrated valve assembly and apparatus. The assembly has a main body that includes (1) an internal gas passage for conveying gas between a gas inlet and a gas outlet; (2) a gas expansion means placed in the internal gas passage between the gas inle...
10/30/2007
7267138Manifold cabinet
A manifold cabinet includes an enclosure having a back wall, a top wall, a pair of side walls, at least two partition walls, a center opening and at least two outside edge openings. The partition walls have a plurality of openings and are attached within the enclosu...
09/11/2007
7243674Collapsible enclosure
A collapsible enclosure includes a roof, a rear wall, a pair of sidewalls, a front wall, each wall having an outside and inside surface and an open bottom. The cover includes heat insulation material covering substantially all of each inside surface of each wall. A ...
07/17/2007
7237568Fire-control sprinkler riser systems
A fire-control riser system that provides a multi-function unitary valve system including providing pressure test, pressure relief, and drain/test fluid flow capability for fire-control sprinkler systems. Furthermore, the fire-control riser system comprises an enclo...
07/03/2007
7201181Mixing valve
A mixing valve for mixing steam and water comprising an inlet chamber for steam, an inlet chamber for water, and a mixing chamber for mixing the steam and the water. The mixing chamber has at least one outlet connected thereto. A valve member arranged in the steam i...
04/10/2007
7201190Fluid fill hook up assembly for a recreational vehicle
A plumbing apparatus includes a housing having first and second opposite ends and defining an interior volume therebetween and an inlet fitting connected to the housing and connectable to a fluid source external to the housing. In one embodiment, the plumbing appara...
04/10/2007
7178546Valve cover
A valve cover having a valve cover body, preferably of two sections. These sections are placed on either side of a valve. When joined, the sections enclose the valve, but form line apertures around the lines leading to and from the valve. Once the sections are in pl...
02/20/2007
7111637Enclosure system for pressure relief device
An enclosure for a pressure relief device, particularly pressure relief devices mounted on electrical equipment housings, is pre-assembled together with the pressure relief device. The enclosure, which provides for temporarily confining and directing fluids discharg...
09/26/2006
7093606Liquid fertilizer injector system for lawn sprinkler systems and irrigation systems
A liquid fertilizer injector system attached to a water source by a water source has an inlet line to input the water from the water source line into the liquid fertilizer injector system. The system's components include a holding tank to receive the water from the ...
08/22/2006
7093608Vacuum pressure breaker and freeze protection for a water flushing system
A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an outlet fluidly connected to the inlet conduit for discharging pressurized w...
08/22/2006
7089956Portable gas delivery device with impact protection
A portable pressurized gas delivery system with impact protection includes a pressure regulator device comprised of a shut-off valve/refill portion, a pressure regulation portion and a flow control portion. The pressure regulator device is attached via a mating mach...
08/15/2006
7066198Pressurized fluid controller using tilt / push / pull operator
An intuitive pressurized fluid controller using tilt/push/pull (3 axis) operator includes a swivel joint such that it can move axially and tilt. A first array of valves is arranged to be activated as the lever tilts. A second array of valves is arranged so they can ...
06/27/2006
7066191Installation for making available highly pure fine chemicals
A system and method for providing process chemicals. The system includes a housing comprising a functional component positioned in a first compartment, a control module positioned in a second compartment and at least one connecting line positioned in a third compart...
06/27/2006
7051747Dual purpose vent attachment assembly
A weather cap for gas valve comprising a gas valve vent attachment member for securing to a gas valve vent outlet, a cover connected to the gas valve vent attachment member with the cover and the gas valve attachment member forming a housing having a chamber therein...
05/30/2006
7032616Gas and liquid storage tank dome shell protective cover
A gas and liquid storage tank dome shell protective cover for engaging the edge of a U-shaped opening in a dome shell to seal the opening and the storage tank service line extending through the opening to prevent creatures big and small from entering into the dome s...
04/25/2006
7021501Faucet lever lock
A lock for a liquid dispensing faucet lever includes a locking member that is attachable to the faucet and can be positioned in a locked position where the lever seats in a notch formed therein to prevent moving the lever from the closed position to the open positio...
04/04/2006
6997205Inlet protection apparatus and method
An apparatus and method for substantially preventing access to an inlet of a vent. The apparatus may comprise a housing attachable to the inlet of the vent and having one or more traps position therein to block insertion of a fluid insertion device through the housi...
02/14/2006
6971401Protective cover for valve stems and the like
An apparatus includes a cylindrical body that is formed from soft and resilient material and has a smooth outer surface provided with surface indicia coated thereon that has a fluorescent color for drawing attention thereto. The body further has a bore formed therei...
12/06/2005
6968855Air operated fluid control valve
This invention relates to an improved air operated fluid control valve which tends to inhibit or impede the travel of a fluid to the air controlled side of the control valve. The air operated fluid control valve includes a control valve having a valve body provided ...
11/29/2005
6941964Safety device for propane tanks
A safety device prevents access to the gas valve of a propane tank. The device includes a cup which fits over the valve, and a locking device for preventing the cup from being lifted from the valve. In some embodiments, the device includes a handle which allows the ...
09/13/2005
6942647Pinch clamp cover
A resilient cover for a pinch clamp which fully encloses the clamp providing a smooth, snag free surface. The cover pads the clamp and softens the sharp edges of the clamp, providing an increased level of comfort for the patient using the clamp. The cover also provi...
09/13/2005
6936108Heat treatment device
A film-forming unit of the invention includes: a processing furnace, gas-supplying means that supplies a process gas into the processing furnace, heating means that heats an inside of the processing furnace to a predetermined process-temperature, and a normal-pressu...
08/30/2005
6935360Fire hydrant protective cover and visibility marker
A fire hydrant protective cover and visibility marker comprising a hollow body having an interior space, a cap portion, middle portion and bottom portion, the bottom portion having an opening for accessing the interior space. ...
08/30/2005
6929246Expansion valve fitted with a connector that is designed for the connection of a user socket
A fluid expansion valve with a main body and a method of its use. The main body has an internal fluid passage and an outlet connector. The outlet connector is suitable for delivering the expanded fluid and for connecting with a socket. The internal profile of the so...
08/16/2005
6913034Emergency shutdown valve actuator
An emergency shutdown valve actuator includes a support and a fluid activated actuator drive secured to the support. Clamps are provided for clamping the support onto a tubular member. A drive key is provided which is adapted to couple the actuator drive and a femal...
07/05/2005
6892748Plug valve
A shield for a plug valve is provided to prevent debris from hindering the movement of moving components of the plug valve. The shield prevents larger sized debris from accumulating at an opening in a wall in which the plug valve is mounted, the wall defining a conf...
05/17/2005
6886587Housing for gas regulator and gauges
A housing (10) for mounting on a mounting surface and for supporting and protectively enclosing a regulator (12) and one or more gauges (14,16) associated with providing, controlling, and monitoring a flow of gas from a pressurized gas supply, s...
05/03/2005
6880566Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system
An apparatus for the enhancement of water quality is provided for purging a low flow area of a subterranean water distribution system. The apparatus can include: a water carrier system for transporting water through the apparatus, a flow control valve for adjusting ...
04/19/2005
6820639Thermal cover for backflow prevention assemblies
Thermal covers for backflow prevention assemblies disclosed to prevent freeze-ups have a cover body with a thermal top wall, opposed thermal side walls that flex toward and away from one another, opposed normally closed ends, a variable shaped bottom opening and an ...
11/23/2004
6820638Air manifold apparatus
An air manifold apparatus for supplying pressurized air to a plurality of air lines having an enclosure with an air inlet for receiving pressurized air from a pressurized air source and a plurality of air outlets for providing pressurized air to a plurality of air l...
11/23/2004
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