| 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) |
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| 11/18/1999 | DE19821637A1 Pipeline transporting abrasive substances incorporates detector |
| 11/16/1999 | US5984374 Pipe bend |
| 11/16/1999 | US5984150 Material transfer device with multi-chamber rotor |
| 11/16/1999 | US5983957 Container and method for transporting finely divided or dried coal |
| 11/11/1999 | DE19820914A1 Guide system for airborne textile matter in a pneumatic conveyor |
| 11/10/1999 | EP0954501A1 Long distance mineral transportation by pipeline |
| 11/06/1999 | CA2231044A1 Pneumatic (air driven) conveyor system |
| 11/05/1999 | CA2236645A1 Vacuum duct for bottom unloading of storage bins |
| 11/04/1999 | DE19817693A1 Outflow metering and isolation device for flowable bulk solids in a pressurized container |
| 11/03/1999 | EP0953526A1 Device for conveying bulk products |
| 11/03/1999 | EP0953525A2 Method and device for introducing a granular or paste like material into a processing plant, in particular high pressure transporting systems |
| 11/03/1999 | CN2346755Y Rotary disk type windpower wire conveyer |
| 11/03/1999 | CN1234008A Process and device for pneumatically conveying powdery substances and their use |
| 10/27/1999 | EP0951435A1 A pipe-trough conveyor for pneumatic conveying of dusty materials |
| 10/27/1999 | CN2345518Y Concrete pump conveying cylinder piston sealing device |
| 10/26/1999 | CA2167116C Pipe bend |
| 10/20/1999 | EP0883560B1 Method for removing bulk material from a silo |
| 10/19/1999 | US5967704 Pneumatic apparatus for conveying a dry granular material |
| 10/14/1999 | DE19821364A1 Conveyor for bulk goods |
| 10/13/1999 | CN2343130Y Coad dust ball valve |
| 10/13/1999 | CN2343129Y Dedusting-type air suction charger |
| 10/12/1999 | US5964901 Method for detecting clogging and granulation method |
| 09/29/1999 | CN1229758A Fluid materials transport pump |
| 09/22/1999 | EP0943560A1 Automated bag emptying station |
| 09/22/1999 | CN2339552Y Jaw sluice gate |
| 09/16/1999 | WO1999046051A1 Pneumatic accelerator for multi-phase material acceleration, dispersion and conveyance |
| 09/15/1999 | CN2338318Y Double armour, thermal insulation and covered-up with earth type pipe or tube |
| 09/09/1999 | DE19807814A1 Switching bulk goods at pipe branch point in pneumatic conveyor |
| 09/08/1999 | EP0732970B1 Arrangement in connection with a wear resistant coating in particle feeder and method for producing the same |
| 09/08/1999 | CN2337121Y Non-full-length sluice rail |
| 09/08/1999 | CN2337120Y Ultra-dense-phase powder conveying apparatus |
| 09/07/1999 | US5947645 Fiber dispensing system |
| 09/07/1999 | CA2021028C Device for transport of material between chambers at different pressures and process for operation of this device |
| 09/02/1999 | WO1999028671A3 Method for removing material from a pressure chamber and conveyor device |
| 09/02/1999 | CA2230741A1 Air conveyor systems for granular material |
| 08/31/1999 | US5944455 Lifting assembly for use with a discharge device for flowable granular material |
| 08/25/1999 | EP0937004A1 Process and device for pneumatically conveying powdery substances and their use |
| 08/25/1999 | EP0836697B1 Conveyor/cooler of loose materials |
| 08/18/1999 | EP0936164A2 Cellular rotary valve with additional bearing assembly |
| 08/17/1999 | US5939027 Discharging polymer powder in densification zone consisting of archimedes' screw exhibiting decrease in screw pitch, arranged in barrel |
| 08/12/1999 | DE19803688A1 Gas lock transferring fine bulk solids from one pressurized vessel to another |
| 08/12/1999 | DE19803497A1 Distributing plant supplying different materials to several plastics processing machines |
| 08/11/1999 | CN2332690Y Combination pneumatic transportation dusting machine |
| 08/10/1999 | US5934205 Y-shaped distributor with liner assembly for distribution of pulverized coal and air mixture |
| 08/05/1999 | DE19802788A1 Cellular vane sluice for feeding or dosing bulk material in pneumatic supply line |
| 08/04/1999 | CN2331630Y Material pipeline |
| 08/04/1999 | CN2331629Y Double-storehouse continuous transport pump |
| 08/03/1999 | US5931610 Fiber dispensing system |
| 07/29/1999 | WO1999037565A1 Method and plant for pneumatic transport of solid particles |
| 07/29/1999 | DE19832188C1 Multi-material delivery unit for plastics processing machines is suitable for use with materials in contact with foodstuffs and pharmaceutical products, more economic to manufacture |
| 07/28/1999 | EP0931009A1 Arrangement for conveying thick matter |
| 07/28/1999 | CN2330626Y Pneumatic feeder structure |
| 07/28/1999 | CN2330625Y Wind-driven pipeline lifting machine |
| 07/27/1999 | US5928423 Pneumatically fed powder supply system and powder coating apparatus |
| 07/22/1999 | WO1999036166A1 Preassembled fluidizing device having expansive air passage |
| 07/22/1999 | WO1998008761A8 Long distance mineral transportation by pipe line |
| 07/21/1999 | EP0930256A1 Vent orifice for a cellular rotary valve |
| 07/21/1999 | EP0722549A4 Material transfer device with multi-chamber rotor |
| 07/14/1999 | EP0928760A1 Pneumatic switch with repositionable conduits |
| 07/14/1999 | EP0820419B1 Air lock for pneumatic conveyor and method for separating solids from the conveying air |
| 07/14/1999 | CN2328633Y Ceramic flashboard for material conveyer valve |
| 07/14/1999 | CN2328632Y Pneumatic vertical conveyer |
| 07/13/1999 | US5921675 Method for keeping and delivering a homogeneous cellulose suspension |
| 07/08/1999 | WO1999033727A1 Device for feeding material |
| 07/08/1999 | DE19800134A1 Fluidizing jet for friable material used in silos, bunkers etc. |
| 06/29/1999 | US5915887 Refinements in air-quality protection and seal control, in a particulate-material gun usable with silica fume |
| 06/23/1999 | EP0924149A2 Method for hydraulic transport of bulk materials |
| 06/23/1999 | CN2325597Y Dregs removing type gate vavle with line blind |
| 06/22/1999 | US5913458 Apparatus for adjusting the axial position of a rotary feeder |
| 06/16/1999 | EP0922776A1 Process and apparatus for the injection of at least one additive to a molten metal |
| 06/16/1999 | EP0921997A1 Portable pneumatic precision metering device |
| 06/16/1999 | CN2324126Y Horizontal butterfly valve |
| 06/10/1999 | WO1999028671A2 Method for removing material from a pressure chamber and conveyor device |
| 06/10/1999 | WO1999028221A1 Device for pneumatic transport of material such as concrete |
| 06/02/1999 | EP0764127B1 Device for holding and discharging a homogeneous cellulose suspension |
| 05/27/1999 | DE19750828A1 Suction conveyor fan for agricultural use |
| 05/26/1999 | EP0918027A1 Cellular rotary valve |
| 05/26/1999 | CN2320594Y Pneumatic bell-jar valve |
| 05/25/1999 | US5906858 Method and apparatus for conveying a pulverulent material by means of an injector |
| 05/20/1999 | WO1999024338A1 Device for applying a mortar layer |
| 05/19/1999 | CN2319637Y S-pipe concrete distribution valve |
| 05/18/1999 | US5904332 Mounting assembly for mounting a vibrator to a pipe |
| 05/18/1999 | US5904303 Spray machine with a driven rotor unit |
| 05/12/1999 | CN2318191Y Air-suction double-blast-pipe conveyer |
| 05/06/1999 | DE19746531A1 Fibrous and granular material preparation and blowing method, especially for producing temperature and sound insulating layers |
| 05/05/1999 | CN2317218Y Combined pump for conveying material in bulk pneumatically |
| 05/05/1999 | CN2317217Y High efficiency storehouse type pump conveying material in bulk |
| 05/04/1999 | US5899641 For conveying particulate solids |
| 04/29/1999 | DE19752718C1 Method of conveying bulk material from pressure chamber |
| 04/28/1999 | EP0911284A1 Pressure-silo with a lower than 1 bar atmospheric overpressure |
| 04/28/1999 | CN2316299Y Extruding type self-complementing unidirectional pneumatic powder conveyer |
| 04/22/1999 | WO1999019073A1 Nozzle to batch and regularize concrete delivery from the pipe of concrete distribution arms |
| 04/22/1999 | DE19801747C1 Cell wheel sluice for conveying or controlled feed of bulk material in pneumatic conveyor conduit |
| 04/21/1999 | CN2315090Y Damage free device for particulate material conveying pipe |
| 04/14/1999 | EP0907596A1 Process and device for fluidising fine-grained bulk products |
| 04/14/1999 | CN2313899Y Wearproof and corrosionproof cylindrical body velve |
| 04/08/1999 | WO1999016691A1 Particulate transfer system for transferring particulate and a method of use |
| 04/07/1999 | CN2312918Y Compression-resising stable-flow feeding device |
| 03/30/1999 | CA2083883C Device for distributing pneumatically handled, pulverulent solids into a large diameter annular section, and kiln equipped therewith |
| 03/24/1999 | CN2311473Y Cement bunker airtight gate |