U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 239/291 - Air shield surrounds projected airstream (i.e., air gun)


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus in which the shielding jet provides a curtain
No. of patents: 85
Last issue date: 01/31/2012


1      
NumberTitleIssue Date
8104694Air spray gun
An air spray gun is used to blow dry a painted surface of cold baked coating, wherein an air-taking ring in a shape of an annular air chamber is formed after screwing a front tube with a rear tube in the air spray gun, and a gap size of the air-taking ring can be ch...
01/31/2012
7338557Nozzle for use in coating a stent
A nozzle for use in a coating apparatus for the application of a coating substance to a stent is provided. ...
03/04/2008
7328855Spray head for a product such as paint
The invention relates to a spray head for a product such as paint. According to the invention, the blow cap comprises a flat face which can be applied against a flat face of the body and the retaining ring is fixed to said body. The contact between the aforementione...
02/12/2008
7309034Air nozzle with a central tube movably received therein to adapt to various positions of a pin in an object to be inflated
An air nozzle includes a hollow casing, a plug received in the chamber and having a channel defined through the plug, a central tube movably received inside the channel of the plug and having an outer threading formed on an outer periphery thereof, a nozzle rotatabl...
12/18/2007
7303149Automatic spray gun
An automatic spray gun includes a cylinder for disposing a motor and a turbine therein and sealed by a sealing cap and an outer cap, a sleeve perpendicularly integrated with lower periphery of the cylinder, a container cap integrated with an under side of the sleeve...
12/04/2007
7300000Internal cleaning apparatus
An internal cleaning apparatus includes a rotary shaft which, having a liquid flow passage, is provided so as to be axially rotatable, a revolving rotary shaft which, having a liquid flow passage connected to the liquid flow passage and being provided in a direction...
11/27/2007
7284713System comprising a nozzle and a fixing means therefor
The invention relates to a nozzle system for a delivery device for liquids, wherein the nozzle system comprises a nozzle and a device which fixes the nozzle in the delivery device. The delivery device, an atomiser, has a liquid reservoir from which a liquid is force...
10/23/2007
7237727Paint spray gun
A paint spray gun has a spray cap that is disposed in front of a nozzle of a gun body, and that is formed with a central spray hole, a set of mist forming holes, a set of mist controlling holes, a pair of horn projections, and a pair of orifices. Each horn projectio...
07/03/2007
7237726Paint sprayer gun
A paint sprayer gun includes a gun body set, an air-floating member set, which includes a tubular shaft suspending inside the gun body set, a sleeve fixedly mounted inside the gun body set around the tubular shaft and having through holes for guiding in compressed a...
07/03/2007
7217442Method and apparatus for mixing and applying a multi-component coating composition
A method of applying a multi-component coating of a desired composition over a substrate includes providing a coating device in flow communication with a first coating component having a first rheological profile and at least one second coating component having a se...
05/15/2007
7159796Device for spraying a substance onto a medium
A device for spraying at least one substance onto a medium includes a supply of vector gas, a substance feed in communication with a supply of the substance and at least one shutter which interrupts communication between the substance feed and the supply of substanc...
01/09/2007
7143963Rotary atomizer and coating method by it
A coating machine 3 serving as a rotary atomizer comprises a hollow unrotary paint nozzle shaft 5 provided in the center of a motor shaft 10 serving as its rotary shaft. The paint nozzle shaft 5 is provided at a tip thereof with a gun-spr...
12/05/2006
7137573Rotary atomization coating apparatus
In a rotary atomization coating apparatus having a center cone portion at a back side of an atomizer head inner part, the tip angle θ of the center cone portion is in the range of 30°
11/21/2006
7134611Air nozzle for pneumatic tools
The present invention discloses an improved air nozzle of a pneumatic tool for being connected to the pneumatic tool that will not be tangled easily due to the rotation of the pneumatic tool during its operation, and thus preventing any hinder to the pressurized gas...
11/14/2006
7105058Apparatus for forming a microfiber coating
An apparatus and method for forming a microfiber coating includes directing a liquid solution toward a deposition surface. The apparatus includes a tube defining a volume through which the liquid solution travels. An electric field is applied between the origin of t...
09/12/2006
7097717Method and device for collecting particulate contaminants during COblasting decontamination
Disclosed is a method and device for collecting particulate contaminants removed using a CO2 decontamination medium from an early step of a decontamination process. The device removes particulate contaminants from a contaminated subject by a decontaminati...
08/29/2006
7080793Apparatus comprising an atomizer and method for atomization
The illustrative embodiment of the present invention is an atomizer, a method for atomization, and a system that includes an atomizer. In some embodiments, an atomizer in accordance with present invention operates at substantially higher efficiency than known atomiz...
07/25/2006
7036750Axial shaping air design for paint atomizer
Rotary atomizer for coating work pieces, with a rotating bell-shaped plate shaft for a bell-shaped plate for discharging a spray stream of a coating agent, at least one steering air outlet for discharging steering air for shaping the spray stream, a housing, and als...
05/02/2006
7032839Liquid spray gun with manually separable portions
The present invention provides a liquid spray gun with several improved features, including (1) a molded polymeric possibly disposable body assembly through which passes liquid sprayed by the spray gun that is manually releasable from a metal platform portion of the...
04/25/2006
7017835Rotary atomizer for particulate paints
A rotary atomizer applies particulate paints with good color matching by reducing paint droplet size deviation and then optimizing the other paint spraying parameters. Paint droplet size parameters are reduced by using a bell cup having reduced flow deviations, incl...
03/28/2006
7007864Fuel nozzle design
The present invention relates to a fuel nozzle for use in an engine such as a gas turbine engine. The fuel nozzle includes a fuel injector for injecting fuel into a combustion chamber of the engine and a plurality of rows of holes surrounding the fuel injector for e...
03/07/2006
6997405External mix air atomizing spray nozzle assembly
An external mix air assisted spray nozzle assembly having a nozzle body, and an air cap for a directing pressurized air streams on a discharging liquid stream external to the liquid discharge orifice of the nozzle assembly for atomizing and forming the liquid into t...
02/14/2006
6976640Air gun with a quick-releasing device
An air gun with a quick-releasing device has a body, a head tube attached to the body and a detachably functional tip, wherein the quick-releasing device is attached to a distal end of the head tube to secure the detachably functional tip. The quick-releasing device...
12/20/2005
6976639Apparatus and method for droplet steering
An apparatus and method for droplet steering is disclosed herein. A throated structure having a nozzle defines a converging throat with an inlet and an outlet and a vectored fluid stream directed therethrough. The fluid stream is driven through the system via a vacu...
12/20/2005
6971590Liquid spray gun with manually rotatable frictionally retained air cap
The present invention provides a liquid spray gun with several improved features, including (1) an air cap portion of a body assembly mounted for manual rotation on a nozzle portion of the body assembly between positions defined by stops and retained at those positi...
12/06/2005
6957500Attachment for handheld dryer
An attachment for a handheld dryer includes a shell and a dryer barrel-receiving portion. A first passage is defined between the shell and the dryer and terminates in a shell inlet defined between the shell and the dryer barrel. The present attachment may be useful ...
10/25/2005
6951310Spray head and air atomizing assembly
A spray head and air atomizing assembly for providing atomizing air in an air sprayer or other delivery device in which the atomizing assembly includes converging, spiral atomizing fluid passageways. ...
10/04/2005
6915966Apparatus for the gunning of a refractory material and nozzles for same
An apparatus for the gunning of a material is provided having a nozzle with an inner passage having an inlet end into which a wetted material is to be introduced and an outlet end from which the material is to be sprayed. An outer passage is disposed around the inne...
07/12/2005
6905081Apparatus and methods for applying adhesive filaments onto one or more moving narrow substrates
Apparatus and methods for applying adhesive to one or more narrow substrates, such as elastic strands, that are in motion. The apparatus includes a coating applicator and an air moving device mounted adjacent to the coating applicator. The coating applicator is capa...
06/14/2005
6896202Fluid dispense tips
A fluid dispense tip includes a bevel at an opening to reduce the amount of surface tension, or “land”, at the opening. The bevel is formed by grinding in a longitudinal direction such that any tooling scars resulting from the grinding operation are likewise lon...
05/24/2005
6877676Firefighting nozzle
A firefighting nozzle capable of selectively producing only a solid stream, only a fog pattern or a combination of both. The passage for the fog liquid can be opened to a flushing position for flushing debris therefrom. A solid stream sleeve is removably attached to...
04/12/2005
6824075Spray gun
A spray gun for atomizing fluid with compressed air comprises a housing having a handle, an atomizer nozzle, a guide sleeve having a U-shaped cross section which engages in the atomizer nozzle and is supported in the housing, and a valve needle which can be operated...
11/30/2004
6811095All plastic air cap for hot melt adhesive applicator
A new and improved hot melt adhesive applicator nozzle assembly comprises an adapter, a dispensing nozzle mounted within the adapter, a nozzle retainer threadedly engaged with the adapter for securing the dispensing nozzle within the adapter, an air inlet ring rotat...
11/02/2004
6764026Process for spraying one-component compositions with air-assisted, low pressure equipment having an improved spray nozzle
The present invention relates to a process for spraying a one-component composition by a) activating the trigger mechanism of a caulking gun having two or more rams and containing two or more cartridges to incrementally advance a ram into operative engagement...
07/20/2004
6745948Method and device for spiral spray coating
A spiral spray coating method, comprising the step of forming a second pressurizing air flow which is discharged from a number of second pressurizing air holes (13) positioned concentrically with and outwardly-shaped from first pressurizing air holes (12
06/08/2004
6708900HVLP spray gun
An HVLP spray gun includes a coaxial combination air valve assembly 30 for controlling total air flow as well as pattern air flow which is frictionally retained in the gun body 12. ...
03/23/2004
6685106Paint spraying device
A device for spraying paint having a spring activated cartridge in a body. The flow of fan air, atomizing air and paint are controlled by pistons within the cartridge. The fan air and atomizing air exit the body through slots to provide high volume, low p...
02/03/2004
6612506Spray gun head with dual air ports & a diverter bushing
A spray gun head includes, a diverter bushing, a nozzle body, an air cap and a locking ring. First and second vent holes are separately provided in the spray gun head. The diverter bushing is provided with a plurality of jets disposed in relation to the f...
09/02/2003
6572031Air-assisted, low pressure spray equipment having an improved spray nozzle
The present invention relates to air-assisted, low pressure spray equipment having an improved spray nozzle including 1) a caulking gun having a carriage adapted to receive two or more cartridges having a nozzle, 2) a static mixer having an upstream end and a ...
06/03/2003
6561233Dual chuck blow gun
A combined compressed air blow gun and tire inflation chuck is disclosed. The tire inflation chuck is fixed to a wand mounted to a handle in which a valve operated by a trigger controls flow of compressed air to the chuck. The chuck includes opposing tire...
05/13/2003
1      
 
Sign InRegister
Username  
Password   
forgot password?