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