| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 08/21/1997 | WO1997030212A1 Foil blade |
| 08/21/1997 | CA2245931A1 Velocity induced drainage method and unit |
| 08/20/1997 | EP0789794A1 Method to reduce forming fabric edge curl |
| 08/20/1997 | CN2260099Y Cylinder mould for paper-making |
| 08/19/1997 | US5657797 For use under tension in the press section of a papermaking machine |
| 08/13/1997 | EP0789107A2 Headbox for papermaking machines |
| 08/13/1997 | EP0788570A1 Method for making smooth uncreped throughdried sheets |
| 08/13/1997 | CN2259430Y Stainless steel exhausting cylinder mould |
| 08/13/1997 | CN1157017A Papermakers fabric |
| 08/12/1997 | US5656133 Hybrid former for a paper machine |
| 08/12/1997 | US5655390 Suspension-treating device |
| 08/07/1997 | WO1997028308A1 Papermaker's fabric having oval-shaped yarns |
| 08/07/1997 | WO1997028307A1 Pin seam with double end loops and method |
| 08/07/1997 | CA2244875A1 Papermaker's fabric having oval-shaped yarns |
| 07/31/1997 | WO1997027362A1 Web of fabric and process for its production |
| 07/31/1997 | WO1997027361A1 Process for the production of a web of material |
| 07/31/1997 | WO1997027360A1 Phase separation apparatus |
| 07/31/1997 | WO1997027359A1 Apparatus and process for feeding stock to a papermachine |
| 07/31/1997 | WO1997027356A1 Industrial fabrics |
| 07/30/1997 | EP0786551A1 Process for making a web of material |
| 07/30/1997 | EP0786550A1 Material web and production method for the same |
| 07/29/1997 | US5651879 Cell for treating a liquid medium by means of flotation |
| 07/29/1997 | US5651812 Agent for treatment of paper machine press section felts and its use |
| 07/29/1997 | US5651394 Papermakers fabric having cabled monofilament oval-shaped yarns |
| 07/24/1997 | WO1997026407A1 Paper having improved pinhole characteristics and papermaking belt for making the same |
| 07/24/1997 | WO1997026406A1 Belt, method and apparatus for dewatering web in press nip |
| 07/24/1997 | DE19601844A1 Paper web guide roller for use in paper production, e.g. in calendar |
| 07/23/1997 | EP0785305A1 Headbox for papermaking machines |
| 07/23/1997 | CN1155308A Web patterning apparatus comprising felt layer and photosensitive resin layer |
| 07/23/1997 | CN1155307A Water removing element in paper machine and method of manufacturing such element |
| 07/22/1997 | US5650044 Paper-pulp deinking method and equipment to implement this method |
| 07/22/1997 | US5649448 System for overall control of different transverse profiles in a paper web manufactured in a board of paper machine and/or treated in a finishing machine |
| 07/17/1997 | WO1997025476A1 Security paper |
| 07/17/1997 | WO1997025474A1 Pintle wire |
| 07/16/1997 | EP0784107A2 Melt-spun, abrasion-resistant monofilaments |
| 07/15/1997 | US5648152 Papermaking |
| 07/15/1997 | US5647959 System for forming and dewatering a web on a Fourdrinier fabric |
| 07/15/1997 | US5647958 Wire part of a machine for the manufacture of fibrous material webs |
| 07/10/1997 | WO1997024488A1 Improved system for making absorbent paper products |
| 07/10/1997 | WO1997024487A1 Improved system for making absorbent paper products |
| 07/10/1997 | CA2239810A1 Improved system for making absorbent paper products |
| 07/09/1997 | EP0782643A1 Method and device for concentrating a suspension |
| 07/09/1997 | EP0473633B1 Paper machine felts |
| 07/08/1997 | US5645689 Multilayer headbox |
| 07/08/1997 | US5645112 Papermakers fabric with alternating crimped CMD yarns |
| 07/01/1997 | US5643417 Method and apparatus for sheet formation |
| 06/25/1997 | EP0525128B1 Process for solvent delivery of chemical compounds to papermaking belts |
| 06/24/1997 | US5641001 Papermaker's fabric with additional cross machine direction yarns positioned in saddles |
| 06/18/1997 | EP0778911A1 Method and device for washing the drying wire in a paper or board machine |
| 06/18/1997 | EP0778910A2 Papermakers fabric |
| 06/17/1997 | US5639352 Headbox lamellae and method for reducing turbulence thereabout |
| 06/17/1997 | CA2040509C Apparatus for reducing the water content of a formed web |
| 06/11/1997 | EP0777781A2 A pulp slurry-handling press roll, and twin roll and single roll slurry-handling presses |
| 06/11/1997 | CN1151773A Paper structure having at least three regions, and appts. and process for making the same |
| 06/11/1997 | CN1151772A Multi-region paper structures and appts. and process for making the same |
| 06/05/1997 | WO1997020105A1 Laminated clothing, as well as method and blank for manufacturing the same |
| 06/04/1997 | EP0776395A1 Water removal element in a paper machine and method of manufacturing such an element |
| 06/04/1997 | EP0711369B1 Method and apparatus for treating filler-containing material, such as recycled fibers |
| 06/04/1997 | CN1151196A Inclined planar former for producing paper sheet under the felt for the production of multilayer or single-layer paper |
| 06/04/1997 | CN1035075C Apparatus for formation of layered paper |
| 06/03/1997 | US5635298 Thermoplastic polyester or polyether ester; hydrolysis resistance |
| 05/28/1997 | EP0775234A1 A process for the production of paper |
| 05/28/1997 | DE19652983A1 Separating element for paper machine breast box |
| 05/28/1997 | DE19539569C1 Wire section for paper machine |
| 05/27/1997 | US5632901 Process for the elimination of heavy metals |
| 05/27/1997 | US5632310 Single layer woven fabric for paper-making |
| 05/27/1997 | CA2111873C Cellulosic fibrous structures having at least three regions distinguished by intensive properties, an apparatus for and a method of making such cellulosic fibrous structures |
| 05/27/1997 | CA2084999C Papermaking belt and method of making the same using a deformable casting surface |
| 05/24/1997 | CA2191054A1 Water fog spraying system for infrared radiant dryers |
| 05/22/1997 | DE19652985A1 Simply interchanged separator blade in paper pulp multilayer headbox |
| 05/22/1997 | DE19652982A1 Separator blade flush-fit connector in paper pulp multilayer head box |
| 05/21/1997 | EP0774541A1 Inclined planar former for producing paper sheet under the felt for the production of multilayer or single-layer paper |
| 05/21/1997 | EP0774540A2 Method for controlling the breaking length in the transverse direction of a moving fibrous web |
| 05/20/1997 | US5630910 Clip fastener for a dewatering box |
| 05/15/1997 | WO1997017192A1 Device for de-watering solid-liquid suspensions |
| 05/15/1997 | DE19652981A1 Easily changed separation element of a multi=layer paper pulp headbox |
| 05/15/1997 | DE19548893A1 Simple unit which saves space in paper machine |
| 05/14/1997 | EP0773320A1 Security sheet having a roughly constant thickness |
| 05/14/1997 | EP0772714A1 Method and arrangement for producing a foam-formed fibre or paper web |
| 05/14/1997 | EP0772711A1 Paper-making machine headbox |
| 05/14/1997 | EP0772710A1 Hood for a wire part and for a press section |
| 05/14/1997 | CN1149898A Use of ultrasonics in paper making |
| 05/06/1997 | US5626722 Headbox of a paper/board machine |
| 05/06/1997 | US5626178 Breast box for a papermaking machine |
| 05/01/1997 | WO1997015717A1 Deaeration vessel |
| 04/30/1997 | DE19538780A1 Monofilaments, used especially for production of paper machine wire |
| 04/29/1997 | US5624790 Papermaking belt and method of making the same using differential light transmission techniques |
| 04/29/1997 | US5624609 Enhancements to the air injection devices in a paper pulp flow for de-inking thereof |
| 04/29/1997 | CA2159524C Papermaking belt and method of making the same using a textured casting surface |
| 04/24/1997 | WO1997014846A1 Papermakers dryer fabric |
| 04/24/1997 | WO1997014845A1 Papermakers dryer fabric |
| 04/24/1997 | DE19539282A1 Stock inlet for security paper production |
| 04/23/1997 | EP0769586A2 Methods and apparatus to enhance paper and board forming qualities |
| 04/23/1997 | EP0717799A4 Process and apparatus for manufacturing absorbent granular material |
| 04/22/1997 | US5623726 Steel; corrosion, fatigue resistance |
| 04/22/1997 | US5622603 Influencing the jet velocity in the multilayer headbox |
| 04/22/1997 | US5622600 Remocal of fibers from ejection stream of papermaking liquids |
| 04/17/1997 | WO1997013572A1 A concentrator press |
| 04/17/1997 | DE19538149A1 Head box and process for making a multi-layer web of paper or board |
| 04/17/1997 | CA2234097A1 A concentrator press |