| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 07/08/1992 | EP0493756A1 Papermaking fabric having reinforced marginal edges and method for making it |
| 07/08/1992 | EP0493458A1 Press section dewatering fabric. |
| 07/08/1992 | CN1062568A Papermaking belt and method of making same using textured casting surface |
| 07/08/1992 | CN1062567A Papermaking belt and method of making same using deformable casting surface |
| 07/08/1992 | CN1062566A Papermaking belt and method of making same using differential light transmission techniques |
| 07/08/1992 | CN1062565A Adjusting device for top lip beam of headbox |
| 07/07/1992 | USH1073 Spiral dryer fabric |
| 07/01/1992 | EP0493066A1 Pitch control |
| 07/01/1992 | EP0492190A1 Adjusting device for the top lip beam of a headbox |
| 07/01/1992 | CN1017269B Pressurized flotation modules and method for pressurized from separation |
| 06/30/1992 | CA1304248C Apparatus and method for thickening pulp and paper stock |
| 06/25/1992 | WO1992010607A1 Improvements in and relating to paper machine clothing |
| 06/25/1992 | CA2097834A1 Paper machine clothing |
| 06/25/1992 | CA2058184A1 Pitch control |
| 06/24/1992 | EP0491274A1 Twin-wire former in a paper machine |
| 06/24/1992 | EP0490906A1 An apparatus for cutting a moving paper sheet by means of a water jet. |
| 06/23/1992 | US5124002 Headbox with turbulence generator pipe layers of different cross sections |
| 06/23/1992 | CA1304142C Method and apparatus for controlling the production of thermal mechanical pulp |
| 06/22/1992 | WO1992011412A1 Woven fabric for a papermaking machine or the like, and method of manufacturing such a fabric |
| 06/22/1992 | CA2056849A1 Adjusting device for the top lip beam of a headbox |
| 06/17/1992 | EP0490334A1 Double helices, their production and their use to produce a helical joining belt |
| 06/16/1992 | CA1303706C System and process for controlling the formation of sheet material |
| 06/16/1992 | CA1303544C Spiral coil corrugator belt |
| 06/10/1992 | EP0489557A1 Spiral shrink sleeve |
| 06/09/1992 | US5120402 Expansion member, particularly for the breast box of a paper machine |
| 06/09/1992 | US5120401 Mist removal device in a paper machine |
| 06/09/1992 | CA1302844C Clothing for the sheet forming section of a papermaking machine with additional floating transverse threads of greater repeat length |
| 06/07/1992 | CA2057094A1 Spiral shrink belt and perforated roll |
| 06/04/1992 | DE4136012A1 Paper pulp solidifying process - has a suppressor shoe within first four drinier loop to contain water with further unit within second fourdrinier loop to extract water on both sides |
| 06/03/1992 | EP0488058A1 Forming-gap arrangement in a twin-wire former of a paper machine |
| 06/03/1992 | CN2106191U Pressure filtering machine |
| 06/03/1992 | CN2106190U Thin page paper round net forming device |
| 06/03/1992 | CN1061633A New plocess and equipments for white-water separation in paper making |
| 06/02/1992 | US5117865 Papermakers fabric with flat high aspect ratio yarns |
| 06/02/1992 | US5117542 Seaming machine to manufacture an insertion-type seam for making a cloth belt endless |
| 05/29/1992 | CA2055713A1 Arrangement for the jointed connection of a moveable flow control element with a support element |
| 05/26/1992 | US5116478 Extendable and heat shrinkable polyester mono-filament for endless fabric |
| 05/26/1992 | US5115582 Spiral fabric papermakers belt having adjustable permeability |
| 05/26/1992 | CA1301514C Headbox for a papermaking machine |
| 05/19/1992 | US5114777 Woven multilayer papermaking fabric having increased stability and permeability and method |
| 05/19/1992 | US5114553 Apparatus and method for removing liquid from liquid bearing material |
| 05/19/1992 | CA1300952C Wet press |
| 05/14/1992 | WO1992008844A1 Deflection compensated forming wire turning bar |
| 05/14/1992 | WO1992008000A1 Textile for use as a paper machine |
| 05/13/1992 | EP0485360A2 Fibrous tape base material |
| 05/13/1992 | EP0371066B1 Method and apparatus for controlling the production of refined stock |
| 05/13/1992 | EP0345287B1 Method and apparatus for dewatering and squeezing material |
| 05/12/1992 | US5112685 Papermaking |
| 05/12/1992 | US5111565 Compensating roll assembly for flexible web material |
| 05/05/1992 | US5110416 Turbulence generator in the headbox of a papermaking machine |
| 05/05/1992 | US5109764 Double screen belt press with a wedge compression zone for dewatering mixtures of fibrous material suspensions |
| 05/05/1992 | CA1299905C Fixation device |
| 05/05/1992 | CA1299904C Hydrid former for a paper machine |
| 04/30/1992 | DE4031974A1 Breast roller vibration mechanism - has a hydrostatic buffer between the oscillator and roller journal to reduce bearing wear |
| 04/28/1992 | US5108586 Flotation machine for deinking |
| 04/27/1992 | WO1992008001A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 04/27/1992 | CA2094809A1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 04/22/1992 | EP0481746A1 Recovery of surfactant from papermaking process |
| 04/22/1992 | CN2102308U White water separator of paper production |
| 04/21/1992 | CA1299003C Apparatus for selectively moving the slice lip of a headbox |
| 04/14/1992 | US5104724 Monofilament of polyether ketone polymer |
| 04/14/1992 | US5104011 Self-cleaning feed apparatus |
| 04/14/1992 | US5103875 Weft-wear papermaker's fabric with short and long weft crimps |
| 04/14/1992 | US5103874 Papermakers fabric with stacked machine direction yarns |
| 04/08/1992 | EP0478762A1 Method and device for separating a fibre suspension. |
| 04/08/1992 | EP0455784A4 Method and apparatus for recovering pulp solids from whitewater |
| 04/07/1992 | US5101866 Double layer papermakers fabric having extra support yarns |
| 04/01/1992 | EP0478535A2 Polymer coated object, eg roller, pressure cushion etc, with localized adhesion and procedure for its manufacture |
| 04/01/1992 | EP0348398B1 Method and apparatus for spreading pulp to a web |
| 04/01/1992 | EP0228396B2 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing |
| 03/31/1992 | US5100513 Defloccing and distribution rolls for papermachine headbox |
| 03/31/1992 | US5100512 Dandy roll having a twill weave wiremark and related method for papermaking |
| 03/26/1992 | DE4030012A1 Grip to draw warp ends through shed - has a swing and rotating movement to maintain yarn tension through shed in a seaming machine |
| 03/25/1992 | EP0476002A1 Continuous controlled drainage. |
| 03/25/1992 | EP0475977A1 Pressure control forming section |
| 03/25/1992 | EP0475976A1 Pressurized forming board. |
| 03/24/1992 | US5098522 Papermaking belt and method of making the same using a textured casting surface |
| 03/24/1992 | CA1297668C Method and an apparatus for drying a paper web or the like |
| 03/19/1992 | WO1992004500A1 Slot nozzle, especially for a twin-wire former |
| 03/19/1992 | DE4029545A1 Stock inlet - has movable upper wall to set suspension delivery point at the fourdrinier without pivoting the jet assembly |
| 03/19/1992 | DE4028126A1 Schlitzduese, insbesondere fuer einen doppelsiebformer Slit, especially for a twin |
| 03/18/1992 | EP0475739A1 Paper making process and dandy roll for use therein |
| 03/17/1992 | US5096542 Slice lip control mechanism |
| 03/17/1992 | CA1297327C Apparatus for assisting the transfer of a web to a drying section |
| 03/13/1992 | CA2050647A1 Auto-slice, especially for a twin wire former |
| 03/11/1992 | EP0473633A1 Paper machine felts. |
| 03/10/1992 | US5094719 For draining moisture laden web in papermaking |
| 03/10/1992 | US5094360 Screen basket |
| 03/10/1992 | CA1296938C Bearing blanket for an extended nip press |
| 03/05/1992 | WO1992003229A1 Method and apparatus for improving flotation separation |
| 03/03/1992 | US5092961 Of press roll of papermaking machine with pressurized air or water |
| 03/03/1992 | US5092373 Papermakers fabric with orthogonal machine direction yarn seaming loops |
| 03/03/1992 | US5092372 Paper forming fabric with partner yarns |
| 02/26/1992 | EP0472072A1 Wire link-belt |
| 02/26/1992 | CN2097218U Autocontroller for density of paper pulp |
| 02/25/1992 | US5090721 Process for manufacturing a screen basket and screen basket made by this process |
| 02/20/1992 | DE4025874A1 Stock inlet adjustment - monitors effect of each setting command to give automatic operation |
| 02/19/1992 | EP0471469A1 Sheet-forming apparatus for a paper machine |
| 02/19/1992 | EP0471194A1 Process for controlling the flow in a headbox |
| 02/18/1992 | US5089324 Press section dewatering fabric |