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Class Information
Number: 198/671
Name: Conveyors: power-driven > Conveyor section > Screw > With means to assist in discharging from or feeding to the housing of the helical surface information
Description: Apparatus wherein means is provided to facilitate or control either the entry of the load into the housing of a helical surface or the exit of the load therefrom.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8662285 Swing hopper for a grain auger Mar. 4, 2014
8651267 Conveying screw apparatus for transporting loose material Feb. 18, 2014
8556066 Bulk material leveling and volumetric measuring and feeding apparatus Oct. 15, 2013
8517167 Distribution auger for roll-off box Aug. 27, 2013
8449779 Backflow collection receptacle and method for reclaiming the same May. 28, 2013
8448779 Elevating conveyor May. 28, 2013
8418838 Instant powder conveyor device of a drinks preparing machine Apr. 16, 2013
8353394 Continuous constant-rate feeding system Jan. 15, 2013
8272501 Pneumatic powder feeder system for municipal sewer lift station Sep. 25, 2012
8265837 Positive open grain saving unloading system Sep. 11, 2012
8201708 Method and apparatus for the continuous controlled discharge of solids Jun. 19, 2012
8075785 Separation vessel for solids removal Dec. 13, 2011
7946416 Retractable transfer conveyor May. 24, 2011
7857120 Avalanche preventative shield for sweep auger Dec. 28, 2010
7743912 Liquid seal bulk feeder for destructive distillation of lightweight materials Jun. 29, 2010
7681715 Method and apparatus for discharging material at spaced intervals Mar. 23, 2010
7644816 Grain saving, directable unloader boot assembly Jan. 12, 2010
7584836 Positive operating combine unloader discharge door arrangement Sep. 8, 2009
7552817 Auger airlock assembly and end dump housing Jun. 30, 2009
7392895 Agitating element for discharging poorly pourable bulk materials Jul. 1, 2008
7381131 Extendable auger conveyor Jun. 3, 2008
7353936 Wiper apparatus for clearing shavings Apr. 8, 2008
7314131 Elevating conveyor Jan. 1, 2008
7234909 Apparatus for storage and unloading of granular material Jun. 26, 2007
7137503 Auger brush Nov. 21, 2006
7101140 Apparatus for storage and unloading of granular material Sep. 5, 2006
6974021 Adjustable grain spout assembly Dec. 13, 2005
6915896 Cleaning drain apparatus for an auger assembly Jul. 12, 2005
6860408 Auger apparatus for conveying ice Mar. 1, 2005
6763932 Particulate material handling systems Jul. 20, 2004
6722491 Feeder tube for bulk product Apr. 20, 2004
6591974 Auger flow control spout with overflow Jul. 15, 2003
6293434 Apparatus for dispensing of bulk product Sep. 25, 2001
6261050 Telescoping auger tube Jul. 17, 2001
6244388 Lube applicator for die cast machine plunger Jun. 12, 2001
6209880 Auger hopper seal Apr. 3, 2001
6182817 Field replaceable helical flight Feb. 6, 2001
6068108 Chip screw conveyor with feed assist May. 30, 2000
6062438 Apparatus for dispensing of bulk product May. 16, 2000
5988357 Low splash auger inlet Nov. 23, 1999
5845762 Auger boot Dec. 8, 1998
5798038 Device for removing deposited material from a liquid in a flume Aug. 25, 1998
5788055 Auger with sealed hopper joint Aug. 4, 1998
5722529 Device for uniform draw-down, homogenization and continuous mixing of bulk solids from silos and stockpiles Mar. 3, 1998
5709296 Feeder tube Jan. 20, 1998
5669531 Conveyor for particulate material Sep. 23, 1997
5651321 Method of and means for producing combustible gases from low grade fuel Jul. 29, 1997
5639202 Refuse bag opener Jun. 17, 1997
5626218 Belt unloader provided with a screw feeder system May. 6, 1997
5611290 Waste conveyor Mar. 18, 1997

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