| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 04/16/1997 | EP0768395A2 Paper machine felts |
| 04/16/1997 | EP0767850A1 Web patterning apparatus comprising a felt layer and a photosensitive resin layer |
| 04/10/1997 | WO1997013029A1 Fabric |
| 04/10/1997 | WO1997013028A1 Dryer fabric seaming |
| 04/10/1997 | DE19615089C1 Paper suspension flotation useful esp. for solid impurity sepn. |
| 04/10/1997 | CA2233864A1 Fabric |
| 04/10/1997 | CA2233320A1 Dryer fabric seaming |
| 04/08/1997 | US5617903 Papermaker's fabric containing multipolymeric filaments |
| 04/08/1997 | CA2134223C A curved suction box apparatus |
| 04/05/1997 | CA2187055A1 Rolls having release coatings, a method for applying a release coating to a roll, and a method of transporting a viscid web |
| 04/02/1997 | EP0766031A2 Device and procedure for throttling a fluid pulp slurry without getting choked |
| 04/02/1997 | EP0765417A1 Forming arrangement for the sheet-forming region of a paper or cardboard machine |
| 04/02/1997 | CN1146514A Knitted body for dryer |
| 04/02/1997 | CN1146513A Papermaking machine fabrics, filters and reinforcing layers for elastomers comprising monofilaments comprising specific copolyesters, stabilized copolyesters and use of copolyesters for manufactur.... |
| 04/01/1997 | US5615713 Method for weaving a filter fabric belt for pressure filter apparatus |
| 03/27/1997 | WO1997011225A1 Method in a paper machine |
| 03/27/1997 | WO1997011224A1 Device for dewatering fibre-liquid mixtures, especially cellulose suspensions |
| 03/27/1997 | CA2229422A1 Method in a paper machine |
| 03/26/1997 | EP0764227A1 Felt treatment - inorganic deposit prevention by spray treatment |
| 03/26/1997 | CN1146224A Suspension-treating device |
| 03/25/1997 | US5614063 Inductive edge detector for paper machinery |
| 03/25/1997 | US5614061 Apparatus for forming a cellulosic fibrous structures having at least three regions distinguished by intensive properties |
| 03/25/1997 | US5613527 Forming screen having flattened cross threads |
| 03/20/1997 | WO1997010381A1 Wear-resistant blade element |
| 03/20/1997 | CA2231694A1 Wear-resistant blade element |
| 03/19/1997 | EP0763625A2 Apparatus in a papermaking machine for transferring a fluid from a first level to a second, higher level |
| 03/19/1997 | EP0763624A1 Device in washing of a wire in a paper/board machine |
| 03/19/1997 | EP0763623A1 Link belt in particular for papermaking machines |
| 03/19/1997 | EP0763158A1 Multiple layer papermaking belt providing improved fiber support for cellulosic fibrous structures, and cellulosic fibrous structures produced thereby |
| 03/19/1997 | EP0763157A1 Multiple layer, multiple opacity backside textured belt and method of making the same |
| 03/19/1997 | EP0656871B1 Aqueous suspensions of colloidal particles, preparation and use of the suspensions |
| 03/19/1997 | CN2249766Y Feltless energy saving papermaking apparatus |
| 03/18/1997 | US5611891 System and method for controlling papermaking stock consistency |
| 03/13/1997 | WO1997009479A1 Method to reduce forming fabric edge curl |
| 03/12/1997 | EP0761872A1 Dryer fabric |
| 03/12/1997 | EP0761847A2 Paper-making machine fabrics, filters and reinforcement structures for elastomers containing monofilaments from copolyesters |
| 03/12/1997 | EP0760878A1 Corrugator fabric |
| 03/11/1997 | US5609936 Drying screen for paper making machine |
| 03/11/1997 | US5609931 Paper machine clothing |
| 03/11/1997 | US5609726 Headbox and method for producing multilayer and multi-ply paper webs |
| 03/11/1997 | US5609725 Multi-region paper structures having a transition region interconnecting relatively thinner regions disposed at different elevations, and apparatus and process for making the same |
| 03/06/1997 | WO1997008383A1 Activity induction in papermaking |
| 03/06/1997 | WO1997008382A1 Web former in a paper machine |
| 03/06/1997 | DE19532323A1 Peripherally grooved guide roller for paper or carton web |
| 03/06/1997 | CA2227418A1 Activity induction in papermaking |
| 03/04/1997 | US5607757 Paper machine fabric |
| 03/04/1997 | US5607554 Loading box for a former of a paper or board machine |
| 03/04/1997 | US5607552 Silica-based anionic particles, smectite |
| 02/27/1997 | WO1997007352A1 Three-way gate ported control valve |
| 02/27/1997 | WO1997007270A1 Papermaker's fabric with additional cross machine direction yarns positioned in saddles |
| 02/25/1997 | US5605743 Papermaker's fabric of polyphthalamide monofilament |
| 02/18/1997 | US5603807 Paper machine headbox with longitudinally shiftable contoured wall |
| 02/18/1997 | US5603806 Control signal |
| 02/18/1997 | US5603775 Utilization of a suction nozzle and jet nozzle for cleaning moving objects |
| 02/13/1997 | WO1997005328A1 Method and apparatus for stabilizing a moving low-strength sheet |
| 02/12/1997 | EP0757730A1 Coated fabric |
| 02/12/1997 | EP0757584A1 Method and arrangement for recovering fiber |
| 02/12/1997 | CN2247191Y Continuous paper machine of clamp-screen and non-felt |
| 02/12/1997 | CN1142552A Paper machine pressing fabrics |
| 02/11/1997 | US5601877 Method of seam closure for sheet transfer and other paper processing belts |
| 02/11/1997 | US5601691 Multilayered press screen for wet presses of a paper machine |
| 02/11/1997 | US5601120 Pin seam with double end loops and method |
| 02/06/1997 | WO1997004165A1 Method and device for treating a pulp suspension |
| 02/05/1997 | EP0756650A1 Suspension-treating device |
| 02/04/1997 | US5599428 Headbox nozzle with heavy end convergence |
| 02/04/1997 | US5599427 Twin-wire web former in a paper machine |
| 01/29/1997 | EP0755469A1 Use of ultrasonics in connection with paper making |
| 01/29/1997 | EP0647285B1 A curved suction box apparatus |
| 01/29/1997 | EP0607249B1 A headbox tube bank apparatus |
| 01/29/1997 | CN1141359A High strength core and sheath type filament for industrial use |
| 01/28/1997 | US5597450 Paper machine dryer fabrics containing hollow monofilaments |
| 01/23/1997 | WO1997002380A1 Apparatus and method of fabric cleaning |
| 01/23/1997 | DE19519268C1 Verwendung von Mitteln zur Zellstoff- und Papierherstellung Using means for pulp and paper production |
| 01/22/1997 | EP0606274B1 A saveall apparatus |
| 01/22/1997 | EP0591418B1 Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 01/21/1997 | US5595632 Shower for paper making machine |
| 01/21/1997 | CA2107990C Paper machine deckle flushing fountain |
| 01/18/1997 | CA2181322A1 Papermaking machine fabrics, filters and reinforcing layers for elastomers comprising monofilaments comprising specific copolyesters, stabilized copolyesters and use of copolyesters for manufacturing papermaking machine fabrics, filters and r inforcing layers for elastomers |
| 01/16/1997 | WO1997001669A1 Method for prolonging the life of a press felt |
| 01/16/1997 | WO1997001668A1 Method and device for washing the drying wire in a paper or board machine |
| 01/16/1997 | WO1997001431A1 Process of making papermakers' fabric |
| 01/15/1997 | CN1033826C Pitch control |
| 01/14/1997 | US5593546 Hybrid former with an MB unit in a paper machine |
| 01/14/1997 | US5593542 Useful for papermaking |
| 01/14/1997 | CA2110186C Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby |
| 01/08/1997 | EP0721517A4 Woven fabric |
| 01/08/1997 | CN1139966A Industrial fabric |
| 01/07/1997 | US5591336 Apparatus for dewatering and or washing papermaking stock |
| 01/07/1997 | CA2005687C Filter deck assembly sliding seal |
| 01/02/1997 | EP0751253A2 Absorbent granular material and process and apparatus for making the absorbent granular material |
| 12/31/1996 | US5589035 Liquid treatment device |
| 12/29/1996 | CA2153846A1 Process for producing a papermakers' fabric with a smooth surface |
| 12/19/1996 | DE19624050A1 Paper mfg. head-box lamella for fast tip change avoiding fibre lumps |
| 12/18/1996 | EP0748403A1 Papermaker's fabric of polyphthalamide monofilament |
| 12/18/1996 | EP0588803B1 Bearer for the screen or felt of a paper or cardboard machine, process for making it and its use |
| 12/18/1996 | CN2242909Y Multi-tube pulp-distribution device for cylinder machine |
| 12/17/1996 | US5585430 Pintle wire |
| 12/12/1996 | DE19624052A1 Triple level papermaking stock inlet allowing wide range of adjustments |
| 12/11/1996 | EP0747529A2 Papermaking felt and method of making it, substrate, and method of making paper |
| 12/11/1996 | EP0747526A2 Dyed particulate or granular materials from recycled paper and process for making the materials |