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

Icon_funbox Did You Know...

...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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 239/411 - By gas pressure


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus in which the fluid controlling the valve is a
No. of patents: 25
Last issue date: 06/29/2010


NumberTitleIssue Date
7744019Spray gun
An apparatus for mixing a catalyst with a resin and then spraying the mixture onto a surface. The catalyst is mixed with air before the catalyst/air mixture is introduced to the resin in the mixing tube. The sprayer is provided with a specially designed check valve ...
06/29/2010
7270749Pump system
A pumping system comprising: (a) an inlet adapted for connection with a supply of low pressure water; (b) a filtration unit in fluid communication with the inlet, wherein the filtration unit filters impurities from the low pressure water so as to discharge a flow of...
09/18/2007
7100366Device for the post-treatment of exhaust gases of an internal combustion engine
An apparatus for posttreatment of exhaust gases of an internal combustion engine, using a reducing agent to be introduced into the exhaust gases, in particular a urea or a urea-and-water solution, having an improved mixing chamber into which stored reducing agent, v...
09/05/2006
7073734Spraying device system and method of dispersing and disseminating materials
The invention includes a spraying device (10) for producing a precise degree of liquid droplet generation on a repeatable basis by combining a specified rate of regulated flow of liquid material with a regulated flow of high-pressure air. The spraying device ...
07/11/2006
7070066Liquid dispensing valve and method with improved stroke length calibration and fluid fittings
A liquid dispensing valve includes a valve body, a valve seat, and a reciprocating valve member engageable with the valve seat for controlling flow through a liquid outlet. A calibration device includes a rotatable stroke control stop member and a rotatable referenc...
07/04/2006
7059545Automatic air-assisted manifold mounted gun
A coating material dispensing device includes a first component providing a connection to a source of coating material to be dispensed and a filter for filtering coating material to be dispensed. The first component includes a housing for housing the filter and a cl...
06/13/2006
7004404Spray gun
A spraying apparatus for spraying liquid surface treatment material which includes a gas inlet, a liquid inlet and an outlet nozzle. The apparatus also has a needle valve for regulating the supply of surface treatment material to the nozzle. The needle valve is at l...
02/28/2006
6916023Self-adjusting cartridge seal
A seal includes a first seal retainer, a seal holder and a second seal retainer. A somewhat cup-shaped recess of the first seal retainer opens in a first direction of motion of a movable member against which the seal is to seal. The seal holder includes a first some...
07/12/2005
6827299Gang mountable spray gun
A liquid spray module which can be individually used, or which can be easily mounted in ganged side-by-side relation with a plurality of such modules. Each module includes a spray gun cartridge having liquid passages through the liquid to be sprayed, is directed and...
12/07/2004
6805307Spraying device, system and methods of dispersing and disseminating materials
The invention includes a spraying device (10) for producing a precise degree of liquid droplet generation on a repeatable basis by combining a specified rate of regulated flow of liquid material with a regulated flow of high-pressure air. The spraying device ...
10/19/2004
6769632Method and apparatus for supplying coating material
An apparatus for supplying a coating material, including: a coating material tank (2) for storing a high-viscosity coating material; a solvent tank (6) for storing a dilution solvent; a mixing machine (11) for mixing the high-viscosity coating m...
08/03/2004
5388767Spray gun with check valve
An apparatus for mixing and spraying a catalyst with a resin onto a surface. The resin and catalyst are internally mixed in confluence with pressurized air. The sprayer is provided with a specially designed check valve to prevent resin and catalyst from e...
02/14/1995
5150836Method of fuel injection
A method of injecting liquid fuel to an engine which includes delivering a quantity of fuel into a conduit and propelling the fuel along the conduit by a pulse of gas under sufficient pressure to discharge the fuel from an open nozzle into an engine induc...
09/29/1992
5110051Squeeze sprayer device
A squeeze sprayer device is attached to a squeezable container of fluid. The device includes a capped cylinder containing an axially moveable discharge valve in the form of an air piston which unseats in response to air pressure to open the discharge upon...
05/05/1992
4901926Whirlpool tub with automatic pre-flushing of the system
A tub including a fluid system has a pump which includes a suction side and a pressure side; a nozzle for introducing a water-and-air mixture into the tub; the nozzle having a nozzle portion; a pressure line connecting the pressure side of the pump with t...
02/20/1990
4848665Compact spray gun
A compact spray gun using a single air supply port to actuate two piston valves and act as an air refinement system. An externally adjustable cartridge type packaging assembly needle piston valve seals the resin. A spool valve portion of a catalyst piston...
07/18/1989
4709515Wet sandblasting system
An apparatus by which wet sandblasting operations may be carried out with the operator disposed adjacent the discharge nozzle of the system having full control over the air, sand and liquid supplied to the discharge nozzle through the utilization of a sin...
12/01/1987
4283012Self-cleaning nozzle construction for product enrobing apparatus
A nozzle for spraying food ingredients including an inner orifice for the ingredients and an outer orifice for spray air. A piston is reciprocable in a cylinder within a housing above the orifices. Attached to the piston is a clean-out plunger that extend...
08/11/1981
4228958Air-operated spray device
A spray device having a body member including a nozzle at one end thereof formed with an orifice and a pressure chamber formed in the other end thereof. The body member is provided with a first passage which serves to deliver sprayable liquid to the orifi...
10/21/1980
4180011Apparatus for spraying a coating on the inside surfaces of longitudinal seams on can bodies
The inside surfaces of longitudinal seams on can bodies are sprayed with a coating by moving the can bodies longitudinally along an arm with the seams spaced vertically above the arm. An air spray nozzle mounted on the arm is positioned for air spraying a...
12/25/1979
4084934Combustion apparatus
A nozzle for mixing a high pressure gas, a liquid fuel and water and finely dividing the latter two is connected in fluid communication with another nozzle facing an impact disperser. The mixture spouted through the latter nozzle collides with the impact ...
04/18/1978
4076173Atomizer
An atomizer, particularly suitable for atomizing grease or lubricating compositions and useful in the foundry industry for lubricating molds, comprises a chamber in which is mounted a piston which is displaced from a rest position to an operative position...
02/28/1978
3993246Nebulizer and method
Pneumatic nebulizer and method for uniformly dispersing variable amounts of flowable liquid in a gas to form a stable dispersion having the appearance of a natural fog and consisting essentially of liquid particles having a maximum particle size below abo...
11/23/1976
3986672Spray gun system
A gun for spraying resin and catalyst and for holding an air-powered chopper that chops and deploys fiberglass, wherein the gun has an air-powered spray release valve, and has an air control valve operated by a single trigger to separately control the flo...
10/19/1976
 
Sign InRegister
Username  
Password   
forgot password?