Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7314141 | Folding belt filter A belt filter for effecting separation of liquid from solids where, at the collection zone, a filter belt or belts is changed shape so as to provide a supporting shape to bold liquid, which is then fed into a nipping zone. In an embodiment there is a single belt use... | 01/01/2008 |
| 7311803 | Distribution of a flowing medium Methods for uniformly distributing a flowing medium to a surface such as that of a rotary liquid permeable roll are disclosed where the flowing medium is distributed by a number of distribution units, the method including distributing the flowing medium to each of t... | 12/25/2007 |
| 7291249 | Apparatus for the manufacture of a structured fiber web An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content o... | 11/06/2007 |
| 7217342 | Apparatus for paper making and paper surface enhancement A process that can utilize current paper manufacturing facilities by adding consecutive spray apparatuses that can make and/or enhance the manufacture of a multitude of specific paper products on-line, or improve the properties of already formed paper products with ... | 05/15/2007 |
| 6846382 | Nonwoven web material for infusion packaging and method of making same A multi-phase, non-heat seal tea bag web material is provided with a pattern on either the top or bottom phases. The top phase is formed from fibers, such as hardwood, that provide a tighter or more dense fibrous phase than the vegetable fibers used in the base phas... | 01/25/2005 |
| 6746571 | Highly-oriented fibrous mats A mat containing highly machine direction oriented (90% or greater), discontinuous reinforcement fibers, is produced on inclined wire or rotary paper making machinery. Fibers are first uniformly dispersed in an aqueous medium containing thickeners and wetting agents... | 06/08/2004 |
| 6602388 | Process for forming headbox for a machine Process of forming a headbox for a machine, which includes arranging a plurality of headbox channels into rows and columns, positioning a lamella between adjacent rows, fixing an end of the lamella at a fixing point, and arranging lamellar supports downst... | 08/05/2003 |
| 6419793 | Paper making apparatus having pressurized chamber Method for forming a continuous web on a forming fabric includes providing a pressurized chamber, processing the forming fabric through the pressurized chamber, and distributing a pressurized flow of a slurry having a first composition in the pressurized ... | 07/16/2002 |
| 6342125 | Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby A multi-ply web forming method and apparatus are disclosed for forming a top ply onto a base ply. A fiber suspension jet is by means of a secondary headbox (21; 21', 26) delivered into a twin-wire roll nip created by two tensioned wires (16, 22; 16', 22';... | 01/29/2002 |
| 6139883 | Porous web material A fibrous, porous web material of the non-heat seal tissue having a basis weight of 9-18 gm-2 and comprises a first layer and a second layer juxtaposed thereto wherein the second layer. The first layer comprising vegetable fibers and a second layer compri... | 10/31/2000 |
| 5730841 | Two wire former for paper making machines A two-wire former for producing a web of fibrous material, in particular a paper web, is designed as a gap-former with the following characteristics: a first and a second wires form together a twin wire; a headbox injects the pulp directly between the two... | 03/24/1998 |
| 5667640 | Two-wire former for paper-making machines A two-wire former for producing a web of fibrous material, in particular a paper web, is designed as a gap-former with the following characteristics: a first and a second wires form together a twin wire; a headbox injects the pulp directly between the two... | 09/16/1997 |
| 5571383 | Method and device for transverse distribution of a flowing medium Methods and apparatus are disclosed for uniformly distributing a flowing medium flowing in a first direction in a conduit onto a surface so as to form a uniformly distributed medium thereon having a width greater than that of the conduit, the method inclu... | 11/05/1996 |
| 5409575 | Two-wire web-forming section of a paper machine A two-wire web-forming section for a paper machine includes two wire loops, consisting of a first wire (1) and a second wire (2), water draining therethrough from a web (W) to be formed in two directions within a two-wire dewatering zone established by th... | 04/25/1995 |
| 4443343 | Method and apparatus for manufacturing planar fiber webs from short, oriented reinforcement fibers or fiber blends Method and apparatus for manufacturing planar fiber webs from reinforcing fibers which are oriented in their passage through a hydrodynamic orientation section and deposited on a filter surface. In the process, the rotating orientation section produces a ... | 04/17/1984 |
| 4436587 | Method for producing multilayer paper Multilayer paper of superior layer purity and formation is produced by discharging a plurality of superimposed jets of papermaking stock from a headbox into the throat of a roll former, preventing the discharged jets from coming together for a short dista... | 03/13/1984 |
| 4430159 | Twin-wire papermaking machine A twin-wire papermaking machine contains a region having two wires guided in mutual contact with one another and at which there is located at least one stock infeed device. The stock infeed device possesses the form of a box or cabinet member having an op... | 02/07/1984 |
| 4349414 | Method for forming a multilayer jet of paper making stock A method for forming a multilayer jet by delivering a plurality of superposed, spaced apart jets of stock through a slice opening towards a web forming zone, keeping the jets separated for part of the distance between the slice opening and the forming zon... | 09/14/1982 |
| 4345970 | Process and apparatus for controlling the deposition of a liquid on to a moving surface Process and apparatus for controlling the deposition of a liquid on to a moving surface. A jet of liquid (3) is deposited from a reservoir outlet (2) on to a moving surface (4) located below the outlet. Deposition is effected by discharging a jet of the l... | 08/24/1982 |
| 4239591 | Manufacture of an non-laminated paper web having regions of increased thickness A non-laminated paper sheet product characterized by regions or islands of increased thickness, usually located in the center of the sheet for more economical use of the paper product and for conservation of wood pulp. The regions of increased thickness a... | 12/16/1980 |
| 4158596 | Traveling wire web former An apparatus and method of forming a continuous fibrous paper web by depositing the stock onto a forming run of a fourdrinier wire while dewatering the stock and collecting water beneath the wire and depositing the stock onto the wire from a spray or floo... | 06/19/1979 |
| 4048008 | Method of and apparatus for forming sheets of fibrous material between converging sieves A technique for forming single or multi-layer sheets of fibrous material having a controllable fiber distribution is described. A pair of spraying rollers each having a system of circumferentially spaced radial vanes on its surface are supported within th... | 09/13/1977 |
| 4022861 | Methods of manufacturing water-repellent fluffy batts of wood pulp fibers A method of manufacturing a water-repellent, fluffy lightweight batt of wood pulp fibers comprising applying a water-repellent material to a surface of a dry wood pulp board so that the water-repellent penetrates through only a portion of the board. The t... | 05/10/1977 |
| 4016031 | Manufacture of composite materials Mats of aligned fibers are formed by feeding a dispersion of fibers through an aligning nozzle onto the inner surface of a cylindrical permeable surface and rotating the surface sufficiently rapidly to remove the dispersion medium and maintain the fiber a... | 04/05/1977 |
| 3974024 | Process for producing board of cement-like material reinforced by glass fiber This invention relates to a process for continuously producing a dense board of cement-like material reinforced by glass fiber, which comprises (1) preparing a slurry of cement-like material; (2) simultaneously spraying the cement-like slurry and short le... | 08/10/1976 |
