| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 09/28/1994 | EP0617163A1 Papermaking apparatus and multi-layer paper forming apparatus |
| 09/27/1994 | US5349845 Apparatus for measuring the condition of a felt in a paper machine |
| 09/21/1994 | EP0615565A1 Controlled jet injection apparatus for a papermaking machine headbox. |
| 09/20/1994 | CA2029205C Headbox apparatus for forming a multi-ply web |
| 09/15/1994 | WO1994020679A1 Security paper comprising localised areas with reduced thickness and opacity, and method for making same |
| 09/15/1994 | WO1994020678A1 Jet-speed control in a multi-layer headbox |
| 09/15/1994 | CA2135163A1 Jet-speed control in a multi-layer headbox |
| 09/14/1994 | EP0615019A1 Papermaking process |
| 09/14/1994 | EP0614501A1 Fabric for papermaking machines and the like. |
| 09/14/1994 | EP0554285B1 Process for recovering raw materials from paper-industry mechanical waste sludges |
| 09/13/1994 | US5346590 Gauze layers with interwoven threads |
| 09/07/1994 | EP0613979A1 Soft layered tissues and method for making same |
| 09/07/1994 | EP0613978A1 Construction related to the supply pipe for pulp in the headbox of a paper machine |
| 09/06/1994 | US5344533 Creating vibrational energy between electrodes |
| 09/06/1994 | US5343896 Papermakers fabric having stacked machine direction yarns |
| 09/03/1994 | CA2098327A1 Method for making soft layered tissues |
| 09/01/1994 | WO1994019539A1 Method and plant for the manufacture of a shaped object and shaped object |
| 09/01/1994 | WO1994019534A1 Wood pulp processing apparatus and method |
| 09/01/1994 | WO1994019531A1 Treatment of fibrous materials |
| 09/01/1994 | DE4402515A1 Device and method for throttling a stock suspension flow of a paper machine |
| 09/01/1994 | CA2156596A1 Method and plant for the manufacture of a shaped object and shaped object |
| 08/31/1994 | EP0612882A1 Papermakers fabric with flat machine direction yarns |
| 08/31/1994 | EP0612881A1 Papermakers fabric with flat machine direction yarns |
| 08/31/1994 | EP0536320B1 Papermaking belt and method of making the same using differential light transmission techniques |
| 08/30/1994 | CA2001307C Device for the insertion of filling wires into a wire jointed-band |
| 08/30/1994 | CA1331708C Apparatus for thickening pulp and paper stock |
| 08/26/1994 | CA2116268A1 Device and method for changing the flow resistance of a fluid flow control device |
| 08/25/1994 | DE4305493A1 Suction device for applying suction to an endless belt with a self-adjusting suction length |
| 08/24/1994 | EP0478762B1 Method and device for separating a fibre suspension |
| 08/24/1994 | EP0344181B1 Multi-ply paper forming fabric with ovate warp yarns in lowermost ply |
| 08/18/1994 | WO1994018384A1 A method to separate cellulose based fibers from each other in water and a moulding composition for plastic forming of cellulose containing fiber products |
| 08/18/1994 | WO1994017920A1 Method and apparatus for separation by flotation |
| 08/18/1994 | CA2155198A1 Method and apparatus for separation by flotation |
| 08/18/1994 | CA2153982A1 A method to separate fibres from each other in water and a moulding composition for plastic forming of fibre products |
| 08/17/1994 | EP0611268A1 Apparatus for guiding a fabric in a paper machine |
| 08/17/1994 | EP0610881A1 Seam-weaving loom with fringe gripper |
| 08/17/1994 | CN1090902A Pitch control |
| 08/16/1994 | US5338451 Apparatus for treating pulp |
| 08/16/1994 | US5338408 Paper forming unit with two dandy rolls |
| 08/11/1994 | DE4410556A1 Method and device for maintaining the cleanliness of walls in the region of the stock supply to the headbox of a paper machine |
| 08/10/1994 | EP0609664A1 Dryer cloth and process for making the same |
| 08/10/1994 | CA2115083A1 Seam-weaving machine with fringe catcher |
| 08/09/1994 | CA1331321C Process for inhibiting white pitch deposition in papermaking felts |
| 08/04/1994 | WO1994017242A1 Process and apparatus for separating fibres from water |
| 08/04/1994 | WO1994017241A1 Support apparatus for papermaking machine rotating felt suction pipes |
| 08/03/1994 | EP0608342A1 Woven papermakers fabric having a unibody seam and a method for making the same. |
| 08/03/1994 | CN2173269Y Horizontal stretcher for paper making |
| 08/02/1994 | US5334444 Fibers containing blends of functionalized polyphenylene ethers, polyamides and functionalized elastomers, used in felts for papermaking machines |
| 08/02/1994 | US5334440 Wire-link belt |
| 08/02/1994 | US5334289 Papermaking belt and method of making the same using differential light transmission techniques |
| 07/27/1994 | EP0607249A1 A headbox tube bank apparatus. |
| 07/27/1994 | CN1090001A Production method for yellow mounting paper and machine-made imitation writing paper made from bamboo |
| 07/26/1994 | CA2048185C Slice cleaning apparatus having bias means |
| 07/21/1994 | WO1994016144A1 Anti-counterfeit paper and method of manufacture |
| 07/20/1994 | EP0606524A1 Device for forming multi-layer paper |
| 07/20/1994 | CN1089675A Aqueous suspensions of colloidal particles, preparation and use of the suspensions |
| 07/20/1994 | CN1089674A Method and device for transverse distribution of a flowing medium |
| 07/19/1994 | US5330646 Apparatus for filtering liquids |
| 07/19/1994 | US5330604 Edge jointing of fabrics |
| 07/13/1994 | EP0528852B1 Woven fabric made of synthetic monofilaments for use as a dewatering screen in a paper-manufacturing machine |
| 07/13/1994 | EP0195807B2 Headbox system for a paper machine |
| 07/13/1994 | CN2171628Y Arc roller |
| 07/13/1994 | CN2171627Y Double-function efficiente rubbing pulp sand eliminating machine |
| 07/12/1994 | US5328570 Hydraulic support device in a paper making machine |
| 07/12/1994 | US5328569 Curved suction box apparatus in a papermaking machine press section |
| 07/07/1994 | DE4402516A1 Fluid flow throttle |
| 06/30/1994 | DE4243662A1 Froth filtration cell with two-stage collector trough |
| 06/28/1994 | US5324392 Extendable and heat shrinkable polyamide mono-filament for endless fabric and endless fabric |
| 06/23/1994 | DE4329810A1 Papermaking stock inlet blades |
| 06/23/1994 | DE4304908A1 Fibre suspension water extraction |
| 06/23/1994 | DE4242658A1 Paper-making water extraction bars |
| 06/22/1994 | EP0602182A1 Improved apparatus and method for deinking waste paper pulp |
| 06/22/1994 | CN2169647Y Paper two side dewatering seal forming device |
| 06/21/1994 | CA1330283C Paper machine fabrics having controlled release |
| 06/16/1994 | DE4402279A1 Fourdrinier cleaning - shifts and displaces fourdrinier filaments in relation to each other directly before or during cleaning phase |
| 06/14/1994 | US5320713 Method of using a forming section of a papermaking machine |
| 06/14/1994 | CA2026222C Trailing element device for a headbox |
| 06/14/1994 | CA2020790C Two-layer paper machine fabric |
| 06/09/1994 | WO1994012560A1 Condensation products of polyalkylene polyamines, and their use in papermaking |
| 06/09/1994 | WO1994012349A1 Apparatus for cleaning objects in movement |
| 06/09/1994 | WO1994012260A1 A concentrating method and means therefor |
| 06/09/1994 | DE4402625A1 Stock inlet flow guide - has an air hose in the mounting for the guide wall to prevent build-up |
| 06/09/1994 | DE4401582A1 Method of continuous delivering of fluid-gas mixture - involves having gas separated from fluid-gas flow between first and second level above which it is directed |
| 06/09/1994 | DE4241040A1 Appts. for suspension water removal - has rotating sieve cylinder within suspension chamber with first fourdrinier passing round its lower section |
| 06/09/1994 | CA2150112A1 Condensation products of polyalkylene polyamines, and their use in papermaking |
| 06/09/1994 | CA2147995A1 A concentrating method and means therefor |
| 06/08/1994 | EP0600264A1 Process for the manufacture of water-soluble polymers by aminolysis of polyacrylonitrile |
| 06/08/1994 | EP0600251A1 Process for uniforming the composition of a paper web |
| 06/07/1994 | CA2036445C Double screen former |
| 06/01/1994 | EP0599440A1 Pitch reduction on paper machine surfaces |
| 06/01/1994 | EP0598852A1 A headbox apparatus. |
| 06/01/1994 | EP0598807A1 Device for dewatering a pulp suspension |
| 06/01/1994 | DE4240110A1 Kondensationsprodukte von Polyalkylenpolyaminen, Verfahren zu ihrer Herstellung und ihre Verwendung bei der Herstellung von Papier Condensation products of polyalkylenepolyamines, to processes for their preparation and their use in the production of paper |
| 06/01/1994 | DE4239647A1 Paper making stock inlet - takes return feed of collected water from sections of press sections at stock inlet to control paper weight profile |
| 06/01/1994 | DE4239646A1 Paper making machine stock inlet - has a diaphragm held at least at one side by elastic mountings to prevent hysteresis on adjustment |
| 06/01/1994 | DE4239644A1 Paper making stock inlet - has sliding wall in pair between first and final chambers to modify suspension flow to give pulp with evenly distributed fibres |
| 05/31/1994 | US5316833 Aldehydes |
| 05/31/1994 | US5316675 Rotatable annular hollow disc for filtering liquids |
| 05/31/1994 | US5316383 Mixing system for mixing two liquids at constant mixture volume flow for supplying the headbox of a paper machine |
| 05/27/1994 | CA2109912A1 Paper machine headbox |