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Class Information
Number: 239/157
Name: Fluid sprinkling, spraying, and diffusing > With mobile tank-type supply means > Operational means interconnected with ground traverse > Ground wheel operated discharge means or controller > Ground wheel operated pump
Description: Apparatus in which the mechanism actuated by the ground contacting means is a device which moves to change the pressure acting with respect to the material in the tank to be sprayed.










Sub-classes under this class:

Class Number Class Name Patents
239/158 Gas pressure pump 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8602324 Liquid sprayer Dec. 10, 2013
8191798 Agricultural field sprayer and process for its operation Jun. 5, 2012
7717354 Cleaning system including operator-wearable components May. 18, 2010
7314186 Wheel mounted spraying assembly and method Jan. 1, 2008
7234534 Firefighting vehicle Jun. 26, 2007
6565015 Portable self-energizing pressure sprayer May. 20, 2003
5433380 Self-cleansing pressure washing system for chemical sprayer Jul. 18, 1995
5333795 Granular and liquid treatment material spreader Aug. 2, 1994
5004155 Agricultural sprayer Apr. 2, 1991
4936096 Drive mechanism Jun. 26, 1990
4930702 Detachable chemical sprayer Jun. 5, 1990
4826083 Direct injection fluid sprayer May. 2, 1989
4817870 Vehicle-mounted spray apparatus Apr. 4, 1989
4807813 Bicycle mounted water toy Feb. 28, 1989
4697739 Microtube applicator system Oct. 6, 1987
4650124 Chemical spray applicator Mar. 17, 1987
4558824 Material spreading vehicle with hydraulic wheel pump Dec. 17, 1985
4508248 Wheeled applicator for liquids Apr. 2, 1985
4483486 Method and apparatus for treating lawns with both granular and liquid treatment materials Nov. 20, 1984
4473188 Machine for spraying a treatment liquid, especially for the treatment of plants and soils Sep. 25, 1984
4296875 Foam dispensing apparatus for marking on a ground surface the working pattern of a surface working vehicle Oct. 27, 1981
4281780 Herbicide spray system Aug. 4, 1981
4274585 Control apparatus for agricultural sprayers having a mixing chamber Jun. 23, 1981
4240583 Low cost, highly versatile self-pumping vehicle type liquid sprayer Dec. 23, 1980
4005803 Chemical concentrate injection system Feb. 1, 1977
3976231 Hand-propelled chemical applicator Aug. 24, 1976











 
 
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