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Class 239/8 - Including mixing or combining with air, gas or steam


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Processes which include the step or steps of mixing a gas
No. of patents: 488
Last issue date: 03/26/2013


                    13  
NumberTitleIssue Date
3963178Sprayer nozzle
A nozzle which may be used with a low volume sprayer and which includes a plurality of spirally directed vanes positioned about a liquid inlet tube. Air is forced between the vanes creating a vortex which directs the liquid being expelled from the inlet t... 		06/15/1976
3948443Method and apparatus for spreading granular material, especially fertilizer
Granular material, such as a fertilizer, is continuously or intermittently fed into one or several launching tubes and compressed air pulses are introduced at regular time intervals behind each quantity which at any time has been fed into the tube(s), so ... 		04/06/1976
3934818Method of oxy-fuel cutting
Method of oxy-fuel cutting of thin plate the improvement of which comprises surrounding the cutting flame with an admixture of air and water.... 		01/27/1976
                    13  
 
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