Patents for B65G 33 - Screw or rotary spiral conveyers (4,591)
08/1990
08/14/1990US4947979 Transfer apparatus
08/14/1990US4947743 Apparatus for feeding a mass of particulate or fibrous material
08/09/1990WO1990008719A1 Hollow worm conveyer made of strip material and method for making it
08/01/1990CN2059911U Spiral conveying pipe
07/1990
07/31/1990US4944382 Apparatus for orienting parts in feeding devices of various units
07/18/1990EP0377630A1 Device for dosing granular material.
07/11/1990CN2059151U Vane claw for vane coal feeder
06/1990
06/19/1990CA1270459A1 Foldable and swivelable hopper-loading screw conveyor
06/13/1990CN2058170U Powder material conveying machine
06/05/1990CA1270011A1 Article feeding devices
05/1990
05/17/1990WO1990005100A1 A helical conveyor
05/08/1990US4923571 Apparatus for spacing apart containers that are conveyed close to each other in a single lane
04/1990
04/25/1990EP0364674A1 Screw feeding device
04/12/1990DE3833980A1 Screw conveyor
04/11/1990CN2055815U Verticle combined twisting concrete conveyer
04/11/1990CN2055814U Steady material feeding machine with single pipe overflow
04/05/1990DE3833135A1 Storing and singling station for flexible, suspendible components
04/04/1990CN2055487U "sticking" proventing construction of spiral conveyer
04/03/1990US4913448 Sealing arrangement
04/03/1990US4913280 Auger for particulate materials
03/1990
03/27/1990US4911282 Apparatus for orienting discrete products in feeding units of plants
03/21/1990EP0048733B2 Hard surfacing for a centrifuge conveyor
03/20/1990CA1266845A1 Conveyor system for use with an ingredient mixer
03/14/1990EP0357935A1 Screw actuator for telescopic tables
03/07/1990CN2054024U Flow powder feeder
03/07/1990CN2054023U Automatic discharging device
02/1990
02/28/1990EP0355971A2 An article hand-off apparatus
02/27/1990US4904285 Increased bulk density of particles to reduce volume
02/27/1990US4903821 Intermittent drum feeder with adjustable loading position
02/15/1990DE3827277A1 Conveying apparatus for a collecting container
02/13/1990US4899867 Rotor for an agricultural feed bagger
01/1990
01/31/1990EP0353159A1 Device for conveying granular products
01/31/1990EP0352262A1 a) Discoid element b) Helical screw c) Apparatus and method for dehusking grain.
01/30/1990CA1264975A1 Dispensing apparatus
01/24/1990EP0352262A4 a) Discoid element b) Helical screw c) Apparatus and method for dehusking grain.
12/1989
12/26/1989US4889259 Apparatus for injecting balls into a well
12/20/1989EP0346991A1 Device for separating and conveying one by one flat objects transported on a rod
12/07/1989DE3819093A1 Processing machine for cylindrical workpieces
12/05/1989US4884795 Document feeder apparatus
11/1989
11/29/1989CN2048465U Electric reciprocating conveyer
11/16/1989WO1989010886A1 Method, machine and plant for the evacuation, conveyance, compacting and discharge of bulk materials, especially shavings and swarf
11/14/1989US4880022 Apparatus for treating small items
11/09/1989DE3814682A1 Device for conveying containers in filling and sealing systems
11/02/1989EP0339327A1 Conveying device for pasty products
10/1989
10/24/1989US4875820 Convertible grain bin sweep unloader
10/24/1989US4875416 Endless path storage carousel with selective discharge
10/24/1989US4875309 Disc cleaner
10/19/1989WO1989009739A1 Device for feeding material into a vertical screw conveyor
10/11/1989EP0336714A2 Improvements relating to warehousing systems
10/10/1989US4872547 Clamping means for attaching the ends of a conveyor coil spring to a journal pin
10/10/1989US4872546 Screw conveyor device
10/03/1989CA1262104A1 Auger including a step construction designed for attachment thereto
09/1989
09/12/1989US4865227 Dispensing apparatus
09/08/1989WO1989008067A1 Spiral device for extracting particulate material from a container
08/1989
08/29/1989US4861244 Spiral displacement machine with concave circular arcs sealingly engaging circular steps
08/29/1989US4860554 Counter-flow poultry chiller
08/23/1989EP0329173A1 Apparatus for feeding a mass of particulate or fibrous material
08/16/1989EP0328296A1 Translating station for linear indexing inspection machine
08/15/1989US4856580 Heat exchanger
08/09/1989CN1034515A Device for separation of vessels transported in one track on conveyor
08/03/1989DE3817999C1 Spiral conveyor for clothes hanging on coat-hangers
08/01/1989US4852719 Modular screw conveyor
07/1989
07/26/1989EP0325414A2 Sealing arrangement for an auger
07/26/1989EP0325156A2 Grinder
07/25/1989US4850307 Intake cup apparatus
07/12/1989CN2040995U Combined type gas-locked cinder conveyer
07/11/1989US4846621 Grain cart and auger therefor
07/05/1989CN1033582A Screw mill for comminuting and compressing material for grinding
07/04/1989US4844232 Installation for the surface treatment of workpieces
06/1989
06/27/1989US4842126 Auger flight section
06/20/1989US4839955 Method for mounting and removing screws of an extrusion machine
06/14/1989EP0319779A2 Screw mill for crushing and pressing ground material
05/1989
05/30/1989US4834647 Method and apparatus for conveying carbon black which inhibits the build-up of carbon black fines on conveying surfaces
05/24/1989CN2038099U Screw separating conveyor
05/18/1989WO1989004448A1 Heat exchanger
05/10/1989EP0315403A1 Feed and discharge apparatus for silos
05/10/1989EP0315129A1 Device for guiding a single row of containers on a conveyor
05/10/1989EP0314752A1 A transportation device.
05/03/1989CN1004069B 螺旋输送机 Screw Conveyor
05/02/1989US4826361 Conveying device for transportation of flowable materials
04/1989
04/27/1989DE3735126A1 Apparatus for transporting bulk material
04/26/1989EP0312721A1 Conveyor scroll
04/25/1989US4823937 Auger including a step contruction designed for attachment thereto
04/04/1989US4818378 Magnetic conveyor with multiple spiral ramps
04/04/1989US4818206 Multi-screw extruder
03/1989
03/28/1989US4815585 Sanitary hanger bearing assembly
03/23/1989WO1989002406A1 Device for dosing granular material
03/22/1989EP0308382A1 Apparatus for treating small items
03/21/1989CA1251483A1 Flail auger for semi-liquid manure spreader
03/07/1989US4810097 Dispensing apparatus
02/1989
02/22/1989CN2032997U Spring conveyer
02/15/1989EP0303117A1 Device for transporting work piece carriers
02/15/1989EP0302961A1 Improvements relating to live storage devices
02/07/1989US4803513 Toner supplying device
01/1989
01/18/1989CN2030986U Strong-load output screw conveyer
01/17/1989US4798648 Article feeding devices for labellers
01/17/1989US4798280 Measuring devices
01/17/1989CA1248904A1 Cam follower assembly for indexing conveyor
01/04/1989CN1030060A High-speed screw-venturi system and bulk material conveying method
12/1988
12/27/1988US4793467 Apparatus for unloading bulk material
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