Patents
Patents for B65G 53 - Conveying materials in bulk through troughs, pipes, or tubes by floating the materials, or by flow of gas, liquid, or foam (10,589)
02/1991
02/05/1991CA1279853C Method and apparatus for continuous gravimetric metering and feeding of pourable material
01/1991
01/29/1991US4988240 Connected to a pneumatic grain handling system
01/24/1991WO1991000838A1 Manhole-mounted filtering system for self-loading semi trailer
01/24/1991DE3923386A1 Pneumatic conveyor for fine material - has pressurised container, with filler opening, conveyor duct and ventilated sloping floor
01/23/1991EP0409456A2 Pump with separate fluidizing vaned shaft adjacent impeller
01/15/1991US4984610 With pyrogenically produced silica
01/11/1991CA2012897A1 Manhole-mounted filtering system for self-loading semi trailer
01/10/1991WO1991000234A1 Material discharge unit
01/09/1991EP0406577A1 Diverter rotary valve
01/09/1991CN2068955U Pneumatic conveying apparatus for mineral powders
01/03/1991DE3920635A1 Device for fluidising and conveying powder - has barrel socket as downwardly pointing hollow cone enclosing cylinder vibrator
12/1990
12/27/1990EP0403471A1 Arrangement for the transport of goods in bulk.
12/25/1990US4979756 Seal arrangement
12/19/1990EP0403017A1 Mortar transport apparatus
12/19/1990CN2067692U Curve device for locking air
12/18/1990US4978252 Material feeding apparatus using pressurized air
12/18/1990US4978251 Method and apparatus for conveying materials in bulk by liquid pressure
12/13/1990DE4004415C1 Sliding vane closure for granular bulk material - has deflector body, filling pocket-shaped recess, formed by scraper edge sections on housing inner wall
12/13/1990DE3918584A1 Temp. controller fluent building material - has microwave generators spaced along microwave-transparent feed line coupled to pump
12/11/1990US4976586 Pump with separate fluidizing vaned shaft adjacent impeller
12/11/1990US4976288 Tubing bend for pneumatic conveying system
12/04/1990US4975100 Particle separator device and apparatus for the pneumatic conveyance of granular materials
12/04/1990US4974999 Lock for a railroad hopper car outlet gate end tube assembly
12/04/1990US4974646 Powder flow control valve
12/04/1990US4974494 Knocking device with autocontrol
12/04/1990CA1277205C Valve for pneumatic spreading of fluidisable material
12/04/1990CA1277147C Vacuum particulate transfer apparatus
11/1990
11/27/1990US4973203 Particulate material pick-up assembly
11/27/1990US4973202 Hood assembly device for removal of undesired glass particles
11/27/1990CA1276918C Powder delivery system
11/22/1990DE3915125A1 Rotary two-way slide valve - has cylindrical, pivot mounted stop cock with three connecting pipes and continuous seal
11/20/1990US4971482 Pneumatic system and method for conveying of sand
11/14/1990CN1010387B Absorbing powder out apparatus
11/13/1990US4969481 Method for transferring short fibers
11/06/1990CA1275967C Device for loading containers for particulate materials and the use thereof
11/04/1990WO1990013500A1 Pumping coal slurries
10/1990
10/31/1990EP0394945A2 System for removal of asbestos material
10/31/1990CN2064758U Inclined chute-and-self-locking type powder discharging device
10/31/1990CN1010221B Anti-erosion protrusions for wear surfaces in fluid conduits
10/31/1990CN1010220B Transportation method of synthetic rubber chips
10/25/1990DE3922978A1 System for controlling liquid or vapour pressure in buffer vessel - uses electronic comparator and three=way membrane valve
10/25/1990CA2015234A1 System for removal of asbestos material
10/23/1990US4964435 Shuttle valve
10/23/1990CA1275468C Pulverized solid control system
10/23/1990CA1275465C Method of checking the loading and unloading of tankers by means ofan electromagnetic identification system, and an identification system for use in said method
10/18/1990DE3911786A1 Channel for transporting fluidisable lightweight granules - has porous bottom made of 2 layers of textile material or of porous plastics
10/16/1990US4963065 Centrifugal pump for pulverized material
10/11/1990DE3910796A1 Conveying hose for building materials with an easy-to-operate cleaning device
10/10/1990EP0084559B2 Process for preparing a coal-water slurry
10/09/1990CA1275135A1 Control system for a continuous process venturi accelerated pneumatic pump
10/09/1990CA1275020A1 Method of maintaining a stabilized coal-water slurry
10/04/1990DE3910617A1 Cellular-wheel sluice
09/1990
09/27/1990DE3940668C1 Deflector valve for pneumatic conveyor - has part-cylindrical valve body inside cylindrical housing
09/27/1990DE3909212A1 Apparatus for introducing concrete into tunnel shutterings
09/18/1990US4957198 Apparatus and method for unloading bulk materials
09/12/1990EP0386943A1 Process for production of coal-water mixture
09/12/1990EP0386637A1 Powder-metering device
09/12/1990EP0386460A2 Stop valve for pipelines transporting bulk goods
09/12/1990EP0386208A1 Process and device for intermittently spraying a pasty composition
09/11/1990WO1990010588A1 Device for conveying fluid materials
09/11/1990US4955989 Process for conveying a particulate solid fuel
09/11/1990US4955761 Process for pneumatically conveying material and apparatus for controlling the feed of air therefor
09/11/1990CA2050476A1 Device for conveying fluid materials
09/06/1990CA2011493A1 Process for production of coal-water mixture
09/06/1990CA2011236A1 Device for shutting off pipelines for the transport of bulk products
09/05/1990CN1009451B Improved apparatus for reclamating slurry from bottom of storage silo
09/04/1990US4953792 Dry powder applicator
08/1990
08/29/1990EP0384827A1 Non-mechanical regulator for the flow of solids between two fluidised media
08/29/1990EP0383896A1 Apparatus for pneumatic transportation of particulate material such as tobacco.
08/29/1990CN1044929A Vortex hoist
08/29/1990CN1009353B Uniformly distributing device for slurry
08/29/1990CN1009343B Control system for solid powder
08/28/1990US4952100 Pipe switch for plants for pneumatically conveying bulk material
08/28/1990US4952099 Device for hydraulic conveyance of loose materials
08/28/1990US4951724 Coupling device
08/28/1990CA1273380A1 Inline venturi for pneumatic conveying systems
08/28/1990CA1273200A1 Coal-methanol slurry and its production process
08/24/1990CA2010831A1 Non mecanical regulator of flow of solids between two fluidized media
08/23/1990DE4003733A1 Fitting assembly for grinding mill pipelines - has spherical parts formed by several interconnected spherical housings with slidably abutting edges
08/22/1990EP0383093A2 Method for the pneumatic and dosed injection of pulverised material into a vessel, subjected to a variable pressure
08/22/1990CN1009266B Pneumatic regulating valve for fluidizable material
08/14/1990US4948017 Rotary feeder
08/14/1990US4947903 Material recovery apparatus
08/09/1990WO1990008915A1 Wear indicator for material transfer systems
08/09/1990DE3906774A1 Device for closing and opening pipe conduits
08/08/1990EP0381424A2 Improved apparatus for blending and withdrawing solid particulate material from a vessel
08/07/1990US4946317 Coal log pipeline system and method of operation
08/07/1990US4946078 Apparatus for feeding bulk material
08/07/1990US4945956 Device for transferring toner from a transport container into a toner reservoir
08/01/1990EP0379628A1 Method for the pneumatic transport of materials and device for the air-feed control thereof
08/01/1990CN1044352A Apparatus and operating method of stream carrier for carrying flow material
07/1990
07/31/1990US4944637 Valved seed outlet
07/26/1990WO1990008723A1 Feeder for particulate material
07/26/1990WO1990008083A1 Ejector with peripheral supply of propellent gas
07/26/1990DE3901773A1 Locking unit for conveying devices, especially for bulk materials
07/26/1990DE3901618A1 Pipeline bend
07/26/1990DE3901301A1 Pipeline for pneumatically conveying bulk material
07/26/1990CA2045638A1 Feeder for particulate material
07/19/1990DE3901110A1 Pneumatic elevator
07/18/1990EP0377979A1 Pipe for the pneumatic transport of polymer particles
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