Patents
Sitemap › B65 - Conveying; Packing; Storing; Handling thin or filamentary material › B65G - Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors › B65G 33 - Screw or rotary spiral conveyers
Patents for B65G 33 - Screw or rotary spiral conveyers (4,591)
05/1992
05/05/1992CA1300110C Screw mill for comminuting and compressing material for grinding
04/1992
04/28/1992US5107980 High speed screw feeder device for shaped containers or bottles in glass or plastic material
04/21/1992US5106238 Device for transferring solid particles
04/21/1992US5105930 Method and device for successively feeding flat products
04/16/1992DE4032087A1 Constant output from screw machine with varying input - uses two=part screw with variable speed first part and constant speed second part
04/08/1992EP0446211A4 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups
03/1992
03/31/1992US5099986 Telescopic auger
03/31/1992US5099985 Unitary screw conveyor apparatus
03/31/1992US5099984 Telescopic auger
03/31/1992CA1298226C Apparatus for spacing apart containers that are conveyed closed to each other in a single lane
03/25/1992EP0476216A1 Screw feeder
03/24/1992US5097935 Apparatus for intermittently advancing pallets
03/18/1992EP0475909A1 Screw conveyor
03/18/1992CN1015879B Dispensing apparatus
03/10/1992US5094334 Mechanically driven auger system
03/03/1992US5092453 Helical conveyor
03/03/1992US5092191 Worm shaft machine with composite housing
02/1992
02/18/1992US5088914 Double flighted extrusion screw
02/11/1992US5087101 Power spiral conveyor section and method
02/04/1992US5085313 Seal assembly
02/04/1992CA1295179C Apparatus for feeding a mass of particulate or fibrous material
01/1992
01/29/1992CN2094531U Spiral conveyer
01/21/1992US5082414 Helicoidal device for extracting material in particle form from a reservoir
01/01/1992CN2091846U Simple flour vending machine
12/1991
12/31/1991US5076416 Method and device for successively feeding flat products
12/27/1991EP0462912A1 Elevator for granulate materials
12/26/1991WO1991019658A1 Binsweep auger
12/25/1991CN2091290U Material mixing conveying appliance
12/03/1991US5069608 Vane pump for delivering pasty substances
11/1991
11/28/1991WO1991017940A1 Worm drive metering device
11/13/1991EP0456230A1 Extrusion screw
11/13/1991CN2088537U Non-crashing low energy consumption spiral conveyer
10/1991
10/22/1991US5058731 Apparatus for conveying products
10/22/1991US5058725 Method and device for successively conveying flat-shaped items
10/09/1991EP0450101A1 Flexible screw and transfer apparatus using the same
10/02/1991CN2085785U 螺旋输送器 Screw conveyor
10/02/1991CN1014137B Device for separation of vessels transported in one track on conveyor
09/1991
09/24/1991US5050725 Feedscrew system and methodology
09/24/1991US5050720 Interchangeable feedscrew system
09/24/1991CA1289500C Mechanically driven auger system
09/18/1991EP0446211A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups.
09/11/1991CN2084464U Screw conveyer
09/10/1991US5046599 Article hand-off apparatus
09/10/1991CA1288719C Conveyor apparatus
08/1991
08/21/1991EP0258376B1 Apparatus for unloading bulk material
08/15/1991CA2010104A1 Auger connector
08/14/1991CN2082715U Screw feeder for film crumbs
08/13/1991US5039111 Compensating conveyor shaft static seal
07/1991
07/23/1991US5033608 Screw conveyor
07/18/1991DE4001121A1 Screw conveyor for moving powder materials - has bristles on screw threads to clean inside of pipe
06/1991
06/20/1991CA2000638A1 Auger for particulate materials
06/04/1991CA1284626C Auger apparatus
05/1991
05/08/1991EP0425850A2 Extruder with a modular cylinder
05/02/1991EP0424563A1 Horizontal conveyor with an arresting device for a pallet
05/02/1991EP0424562A1 Pallet exchanger for a linear horizontal conveyor
04/1991
04/27/1991WO1991006493A1 Flexible screw and transfer apparatus using the same
04/27/1991CA2044276A1 Flexible screw and transport apparatus comprising same
04/24/1991EP0423276A1 Process and device for transporting and stacking flat objects, in particular flat bags
04/18/1991WO1991004959A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups
04/16/1991CA1283078C Apparatus for unloading bulk material
04/02/1991US5004096 Screw conveyor coupling apparatus
04/02/1991US5004095 Apparatus for use in variable operating temperatures
03/1991
03/27/1991EP0418241A1 Heat exchanger
03/26/1991US5002421 Connection for successive sections of a helical spring like conveying elements
03/20/1991EP0417444A2 Device for removing fine-grained solid materials
03/20/1991EP0417300A1 Hollow worm conveyer made of strip material and method for making it
03/20/1991EP0417137A1 Apparatus for the evacuation, conveyance, compacting and discharge of bulk materials, especially shavings and swarf.
03/19/1991US5000307 Transportation device
02/1991
02/27/1991EP0413940A2 Device for continuous and automatic draining sludge, especially sewage sludge
02/26/1991US4995531 Ring dispenser
02/19/1991US4993539 Screw feeding devices
02/06/1991CN1011502B Method and apparatus for quantitatively delivering food material
02/05/1991US4990070 Rotary screw pump with suction vanes at intake port
02/05/1991US4989716 Adjustable angle auger
01/1991
01/23/1991CN2069842U Commutating feeder
01/09/1991CN2068953U Transporting device capable of directly handling bulk cargo
12/1990
12/27/1990EP0403869A2 Ring dispenser
12/26/1990CN2068089U Spiral lift
12/19/1990CN2067691U Quantitative screw conveyer
12/18/1990US4978078 Apparatus for dehusking grain
12/18/1990US4977996 A hanger delivery area
12/14/1990CA2016776A1 Ring dispenser
12/12/1990EP0401698A2 Apparatus for conveying products
12/11/1990US4976341 Segmented auger
11/1990
11/15/1990DE3915144A1 Schneckendosierer Auger
11/13/1990US4969348 Feed system for a redraw press
11/01/1990WO1990012745A1 Process and device for transporting and stacking flat objects, in particular flat bags
10/1990
10/31/1990DE3913341A1 Verfahren zum transportieren von flachbeuteln, insbesondere von beuteln zur aufnahme von teefiltern, zu einer stapelstelle, sowie vorrichtung zur durchfuehrung dieses verfahrens Method of transport of flat pouches, particularly pouches for consumption of tea filters, to a stack spot, and device for implementing said method
10/25/1990DE3912008A1 Separator for timber bundles
10/24/1990EP0394198A1 Dung and compost removal equipment
10/16/1990US4963066 Grain hopper assembly
09/1990
09/27/1990DE3909868A1 Winter gritting apparatus with conveyor worm
09/25/1990US4958720 Screw conveyor coupling apparatus
09/18/1990CA1274208A1 Mechanical auger drive
08/1990
08/29/1990EP0383755A1 Spiral device for extracting particulate material from a container.
08/28/1990US4951887 Screw mill for comminuting and compressing material for grinding
08/28/1990US4951387 Installation for mounting and removing screws of an extrusion machine
08/22/1990CN1044793A Translating station for linear indexing inspection machine
08/21/1990US4950120 Apparatus and method for feeding card edge connectors and connector magazines
08/21/1990US4949879 Dispensing means for pieces of product
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46