| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 03/25/1999 | CA2291128A1 Floor absorbent granular product |
| 03/23/1999 | US5885709 Carbodiimide-modified polyester fiber and preparation thereof |
| 03/23/1999 | US5885421 Vacuum apparatus for having textured clothing for controlling rate of application of vacuum pressure in a through air drying papermaking process |
| 03/23/1999 | US5885420 Headbox for papermaking machine with more uniform flow |
| 03/17/1999 | EP0902121A2 Method and device for paper web manufacturing |
| 03/16/1999 | US5882482 Convergent flow headbox |
| 03/16/1999 | US5882480 Used as agricultural carrier;forming slurry from waste paper containing kaolin, cellulose fibers, screening, cleaning and deinking, cleaning effluent, clarification, dewatering, breaking up filter cake |
| 03/16/1999 | US5881764 Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 03/11/1999 | WO1999011860A1 Introduction of fiber-free foam into or near a headbox during foam process web making |
| 03/11/1999 | WO1999011859A1 An apparatus for increasing internal bond strength of a web |
| 03/11/1999 | WO1999011858A1 Papermaking fabric seam with seam flap anchor |
| 03/11/1999 | WO1999011854A1 Endless loop finishing assembly |
| 03/10/1999 | EP0900877A2 Twin wire former dewatering device for a paper machine |
| 03/10/1999 | EP0900299A1 Compositions and methods for inhibiting deposits in pulp and papermaking systems |
| 03/10/1999 | EP0700472B1 A method of forming a tissue paper web |
| 03/10/1999 | CN1210172A Functional epoxy-silicone coatings for paper machine clothings and method of coating same |
| 03/09/1999 | US5879777 Modular papermaking fabric |
| 03/09/1999 | US5879515 Jet device |
| 03/09/1999 | US5879513 Method and apparatus for the drainage of the wire and/or press section of a paper machine |
| 03/09/1999 | US5878507 Apparatus for a paper-making machine for delivering liquid from a first level to a second, higher level |
| 03/04/1999 | WO1999010074A1 A rotating filter and a method for filtration of a flowing substance |
| 03/03/1999 | EP0899376A2 Deckle frame arrangement for a forming section |
| 03/02/1999 | US5876853 Adhesive layer, acrylated monomers |
| 03/02/1999 | US5876564 Methods and apparatus to enhance paper and board forming qualities |
| 03/02/1999 | US5876558 Froth flotation deinking process for paper recycling |
| 03/02/1999 | US5875822 Polyamide spiral seam for seamed papermakers' fabrics |
| 02/28/1999 | CA2228274A1 Papermaking fabric seam with seam flap anchor |
| 02/25/1999 | WO1999009245A1 Method of producing tube rolls for paper machines, and tube roll arrangement for paper machines |
| 02/24/1999 | EP0898014A2 Process and apparatus for controlling or regulating the basis weight of a paper- or board web |
| 02/24/1999 | EP0897269A1 Tobacco conveyor belt |
| 02/24/1999 | CN1042247C Method for seam closure for sheet transfer and other paper processing belt |
| 02/18/1999 | WO1999007937A1 Fabric seam |
| 02/18/1999 | CA2297963A1 Fabric seam |
| 02/17/1999 | CN1208444A Paper machine clothings constructed of interconnected bicomponent fibers |
| 02/17/1999 | CN1042157C 压榨织物 Press fabric |
| 02/16/1999 | US5871617 Paper machine twin-wire former with dewatering limiting blade device |
| 02/16/1999 | US5871615 Passing an intially dewatered, but not yet fully dried paper web through a nip between a forming surface of desired pattern and a backing surface to impart intricate tactitle surface profile pattern, prior to drying |
| 02/16/1999 | CA2149172C Hybrid former with an mb unit in a paper machine |
| 02/16/1999 | CA2144721C Two-ply warp two-ply weft papermaking fabric having auxiliary weft yarns incorporated in papermaking side fabric |
| 02/16/1999 | CA2114575C Method and apparatus for guiding a fabric in a paper machine |
| 02/16/1999 | CA2095971C Anti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the same |
| 02/11/1999 | WO1999006633A1 Paper forming activity control with lifting variable angle inertial stimulation blades |
| 02/11/1999 | WO1999006632A1 Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 02/11/1999 | WO1999006631A1 Double layer fabric having a high stability weave |
| 02/11/1999 | WO1999006630A1 Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| 02/11/1999 | WO1999006629A1 Multi-layer screen for the wet area of a paper machine and product manufactured using the same |
| 02/11/1999 | WO1998050626A3 Method and device for separating the liquid contained in a suspension from the dispersed material in the suspension |
| 02/11/1999 | CA2297800A1 Multi-layer screen for the wet area of a paper machine and product manufactured using the same |
| 02/11/1999 | CA2292420A1 Paper forming activity control with lifting variable angle inertial stimulation blades |
| 02/10/1999 | EP0896086A2 Functional epoxy-silicone coatings for paper machine clothings and method of coating same |
| 02/10/1999 | EP0757584B1 Method for recovering fiber |
| 02/10/1999 | CN1207784A Security paper |
| 02/09/1999 | US5869180 Wire, lawnmower wire or textile nylon or polyester comprising a maleic anhydride modified a copolymer of ethylene-propylene and aging stabilizers; tensile strength, impact strength, wear resistance, shrinkage inhibition |
| 02/09/1999 | CA2174003C Papermakers fabric with orthogonal machine direction yarn seaming loops |
| 02/09/1999 | CA2174002C Papermakers fabric having a single layer of cross machine direction yarns |
| 02/09/1999 | CA2174001C Papermakers fabric with flat high aspect ratio yarns |
| 02/09/1999 | CA2170407C A multilayer headbox |
| 02/09/1999 | CA2163370C A method of forming a tissue paper web |
| 02/09/1999 | CA2115789C Yarn positioning apparatus |
| 02/08/1999 | CA2245274A1 Functional epoxy-silicone coatings for paper machine clothings and a method of coating same |
| 02/04/1999 | WO1999005358A1 Industrial fabrics and method of treatment |
| 02/04/1999 | DE19732879A1 Mehrlagiges Sieb für den Naßbereich einer Papiermaschine und damit hergestelltes Produkt Multi-layered screen for the wet area of a paper machine and thus produced product |
| 02/04/1999 | CA2298000A1 Industrial fabrics and method of treatment |
| 02/03/1999 | EP0894892A1 Flotation process and apparatus to remove contaminants from a fibers suspension |
| 02/03/1999 | EP0894891A1 Process and apparatus to eliminate solids from an aqueous fiber suspension |
| 02/03/1999 | EP0894162A1 Dewatering device for a paper machine |
| 02/03/1999 | CN1207144A Yarns of covered high modulus material and fabrics formed therefrom |
| 02/02/1999 | US5866618 Polyvinyl alcohol and a high molecular weight gelatin |
| 02/02/1999 | US5865219 Double layer papermaking fabric having a high stability weave |
| 01/28/1999 | WO1999004089A1 Methods for producing fibrous webs, preferably of paper or card, using hydrodynamic suspension shaking, and corresponding devices |
| 01/28/1999 | DE19747301A1 Paper machine's sheet forming system giving wider range of products |
| 01/28/1999 | DE19747295A1 Paper=making machine headbox helps sectional control of web formation |
| 01/27/1999 | EP0893537A2 Sheet forming system |
| 01/27/1999 | EP0892866A1 Papermaking fabric for increasing bulk in the paper sheet |
| 01/26/1999 | US5863387 Discharge nozzle disposed in fluid communication with chamber comprising at least one connected ultrasonic transducer to transmit ultrasonic energy into the suspension and substantially agitating to improve paper quality |
| 01/26/1999 | US5863386 Reverse rolls and flow of liquid then drying with cylinders |
| 01/26/1999 | US5863385 Applying an oil in water emulsion to clean and prevent agglomerants of adhesives and natural resins on equipment, particularly wires, drains and drying section; papermaking |
| 01/21/1999 | WO1999002872A1 Spreader roll |
| 01/21/1999 | DE19731019A1 Paper-making press blanket |
| 01/21/1999 | DE19730719A1 Paper-making blanket cleaner |
| 01/21/1999 | DE19730232A1 Verfahren zur Herstellung von Faserbahnen, vorzugsweise Papier oder Karton, mit Einsatz von hydrodynamischer Suspensionsschüttelung, und Vorrichtungen hierzu A process for producing fibrous webs, preferably paper or board, with use of hydrodynamic suspension shaking of, and apparatus for this purpose |
| 01/20/1999 | EP0892108A2 Headbox |
| 01/20/1999 | EP0891441A1 Papermaking fabric, process for producing high bulk products and the products produced thereby |
| 01/20/1999 | EP0722521B1 Device for forming a plane liquid jet |
| 01/20/1999 | EP0639239B1 Jet-speed control in a multi-layer headbox |
| 01/19/1999 | CA2157608C Press fabric |
| 01/19/1999 | CA2132875C Support apparatus for papermaking machine rotating felt suction pipes |
| 01/19/1999 | CA2087107C Loop formation in on-machine-seamed press fabrics using unique yarns |
| 01/19/1999 | CA2022665C Forming fabric with interposing cross machine direction yarns |
| 01/14/1999 | WO1999001612A1 Method for minimizing water use in a water circuit in a paper, cellulose or wood factory |
| 01/14/1999 | WO1999001610A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions |
| 01/14/1999 | WO1999001609A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions |
| 01/14/1999 | WO1999001608A1 Headbox of a papermachine/board machine |
| 01/14/1999 | WO1999001606A1 Method and device for treating steam in a fiber refining process |
| 01/14/1999 | DE19812301C1 Cylindrical wire for use in paper or board industry |
| 01/13/1999 | EP0890674A2 Roller |
| 01/13/1999 | EP0889990A1 Stitched seam for high-tensile woven fabrics |
| 01/13/1999 | CN2303868Y Circular net-cage for paper-making machine |
| 01/12/1999 | US5858175 Suction box with side fillers |
| 01/12/1999 | US5857498 Papermaker's double layer forming fabric |