| Patents for D21D 1 - Methods of beating or refining; Beaters of the hollander type (3,356) |
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| 11/17/1998 | US5836531 Paper pulp defibering or refining plate and method of manufacturing it |
| 11/17/1998 | US5836530 Paper manufacture conical-type pulp refiners improvements |
| 11/17/1998 | US5836525 Lining for a refiner |
| 11/17/1998 | US5836181 Diffuser |
| 11/12/1998 | WO1998050623A1 Apparatus for feeding and refining lignocellulosic material |
| 11/12/1998 | DE19717685A1 Grinding tool for crushing mill for corn, etc. |
| 11/11/1998 | EP0877117A2 Refiner plate assembly and method of mounting |
| 11/05/1998 | WO1998048936A1 Device for investigating the grinding process in a refiner including sensors |
| 11/05/1998 | CA2287928A1 Device for investigating the grinding process in a refiner including sensors |
| 10/27/1998 | US5827400 Liquid treatment device |
| 10/21/1998 | EP0741817B1 Method and apparatus for treating recycled pulp |
| 10/20/1998 | US5823453 Refiner disc with curved refiner bars |
| 10/14/1998 | EP0702597B1 Refiner segment |
| 10/14/1998 | EP0633813B1 Refining element |
| 10/01/1998 | DE19712653A1 Dispersal of compacted paper fibre mass |
| 09/29/1998 | US5813618 Continuous cyclindrical wood pulp refiner |
| 09/23/1998 | CN1193921A Single roll displacement wash press |
| 09/16/1998 | CN2291435Y Double-screw beating mill |
| 09/02/1998 | EP0754259B1 Refiner filling |
| 08/27/1998 | WO1998037271A1 Feeding element for fibrous material |
| 08/27/1998 | WO1998036837A1 Feeding device for fibrous material |
| 08/27/1998 | WO1998036836A1 Method and device for treatment of fibrous material |
| 08/25/1998 | US5798025 Apparatus for screening waste paper pulp |
| 08/25/1998 | CA2126517C Pulp defibration or preparation plate, and process using said plate |
| 08/19/1998 | EP0858880A2 Apparatus for dehydrating and defibering ligno-cellulose material |
| 08/12/1998 | EP0857232A1 High consistency pulp refining using low consistency pulp refining techniques |
| 08/06/1998 | WO1998033594A1 Refining element |
| 07/28/1998 | US5785810 Wood pulp processing apparatus and method |
| 07/22/1998 | CN1188521A Disc refiner with conical ribbon feeder |
| 07/14/1998 | US5779168 Refiner and tooling for refining suspended fibrous material |
| 07/14/1998 | US5778704 Arrangement for a continuous diffuser for washing pulp |
| 07/09/1998 | WO1998029596A1 Method and apparatus of defibrating a fibre-containing material |
| 07/07/1998 | US5776305 Low-resident, high-temperature, high-speed chip refining |
| 07/02/1998 | WO1998028490A1 Method and device for conducting a process in the production of paper |
| 07/02/1998 | WO1998028486A1 Means and device for conducting a process in the production of fibrous material from wood |
| 06/30/1998 | US5771718 Concentrated washing machine |
| 06/30/1998 | CA2058312C Refining assisting agent and refining method using the same |
| 06/24/1998 | CN2284798Y Defibering fiberizer |
| 06/24/1998 | CN2284797Y Defibering fiberizer |
| 06/16/1998 | CA2150647C Optimal energy refining method for the mechanical treatment of wood fibres |
| 06/16/1998 | CA2116885C Twin conical refiner with dual ribbon feeders |
| 06/09/1998 | US5762275 Double-disc refiner |
| 05/12/1998 | CA2103132C Apparatus and method for refining pulp stock |
| 05/05/1998 | US5747707 Measuring device for refiners |
| 04/29/1998 | CN2280114Y Vertical beater |
| 04/21/1998 | US5740972 Papermaking refiner plates |
| 04/07/1998 | US5736007 Method of liquor removal from particulate solids |
| 04/01/1998 | EP0670927B1 Method and pulp washing machine for washing of pulp or similar material |
| 04/01/1998 | CN1177662A Double-plate material homogenizing machine |
| 03/31/1998 | CA2133630C Method and apparatus for screening waste paper pulp |
| 03/25/1998 | EP0831171A2 Double-disc refiner |
| 03/25/1998 | EP0830476A1 Disc refiner with conical ribbon feeder |
| 03/25/1998 | EP0821749A4 Method for co-refining dry urban wood chips and blends of dry urban wood chips and thermoplastic resins for the production of high quality fiberboard products |
| 03/24/1998 | US5730376 Apparatus for regulated dispersion treatment of highly consistent fibrous substances |
| 03/24/1998 | US5730371 Delumper |
| 03/17/1998 | US5727743 Device and treatment machine for the mechanical treatment of high-consistency fibrous material |
| 03/05/1998 | WO1998009018A1 Refiner having center ring with replaceable vanes |
| 03/04/1998 | EP0742855B1 Apparatus for treating pulp |
| 03/03/1998 | US5722264 Single roll displacement wash press |
| 02/25/1998 | EP0824373A1 Apparatus and method for particle comminution |
| 02/25/1998 | CN2275110Y Straw pulp machine |
| 02/19/1998 | WO1998001616A3 Stock washer for washing, thickening and classifying solids |
| 02/18/1998 | CN1037464C Pulp fibre washing appts. and method for washing the same |
| 02/04/1998 | EP0821749A1 Method for co-refining dry urban wood chips and blends of dry urban wood chips and thermoplastic resins for the production of high quality fiberboard products |
| 02/04/1998 | CN2273730Y Vertical and adjustable sand removing machine able to fully dissociate pulp |
| 01/28/1998 | EP0786030A4 Washing pulp using an endless support fabric |
| 01/28/1998 | EP0749507B1 Refiner disk with alternating depth grooves |
| 01/15/1998 | WO1998001616A2 Stock washer for washing, thickening and classifying solids |
| 01/15/1998 | CA2255833A1 Stock washer for washing, thickening and classifying solids |
| 01/13/1998 | US5707019 Refiner with easily attachable discs |
| 01/13/1998 | US5707016 Apparatus and methods for wet grinding |
| 01/07/1998 | EP0815315A2 Method and device for process control in cellulose and paper manufacture |
| 01/06/1998 | US5704559 Refining element |
| 12/31/1997 | WO1997049857A1 A method for the control of a groundwood pulping process |
| 12/31/1997 | CA2294424A1 A method for the control of a groundwood pulping process |
| 12/23/1997 | US5699573 Method and pulp washing machine for washing of pulp or any corresponding material |
| 12/10/1997 | EP0689626A4 Wood pulp processing apparatus and method |
| 12/10/1997 | CN1167181A Biological mechanical straw pulp technology and special equipment |
| 12/09/1997 | US5695136 Refining element |
| 12/09/1997 | US5695135 Refiner with easily attachable disc |
| 11/25/1997 | US5691636 Probe assembly mounting for a grinding machine |
| 11/25/1997 | US5690286 For use in refining a flow of wood fiber stock |
| 11/18/1997 | US5687923 Gradual pressure applying type de-inking device for paper material |
| 11/18/1997 | US5687917 High consistency pulp refining using low consistency pulp refining techniques |
| 11/04/1997 | US5683650 Bubble apparatus for removing and diluting dross in a steel treating bath |
| 11/04/1997 | US5683048 For use in a disk refiner |
| 10/29/1997 | EP0478762B2 Method and device for separating a fibre suspension |
| 10/29/1997 | CN2265995Y Loosening pulp grinding sand-remover |
| 10/23/1997 | WO1997038792A1 Method for guiding the beating in a refiner and arrangement for performing the method |
| 09/24/1997 | CN2263128Y Vertical sand removing beater |
| 09/24/1997 | CN2263127Y Vertical sand-removing beater |
| 09/03/1997 | EP0792689A1 A refiner and a method for attaching or detaching discs thereof |
| 08/27/1997 | EP0791395A1 A refiner and a method for attaching discs thereof |
| 08/27/1997 | CN1157757A Disc mill and mill millston assembling method of disc mill |
| 08/13/1997 | EP0788567A1 Wood chip strand splitter |
| 08/13/1997 | EP0788407A1 System for continuously measuring pressure and temperature in the beating zone of refiners |
| 08/13/1997 | CN1157016A Low-resident high-temp high-speed chip refining |
| 08/12/1997 | US5655390 Suspension-treating device |
| 07/30/1997 | EP0786030A1 Washing pulp using an endless support fabric |
| 07/30/1997 | EP0714465B1 Dual zone refiner with separated discharge flow control |