Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 7311223 | Apparatus for dispensing a plurality of powders and method of compounding substances An apparatus for dispensing a plurality of powders, such as colorants for paint, caulking or grout or components of cosmetics, comprising a plurality of containers for holding the powders, a plurality of metering powder pumps, connected to a container or having a co... | 12/25/2007 |
| 7257935 | System for dispensing inflated plastic dunnage A system for providing dunnage to packages as the packages are formed is disclosed. The system includes a dunnage forming machine having a work station for inflating and sealing plastic pouches to form dunnage units. An accumulator is positioned below the station fo... | 08/21/2007 |
| 7172145 | Concrete delivery truck An apparatus and process for mixing and depositing a strand reinforced concrete mix at a job site from a concrete delivery truck including a mixer on the truck for mixing separate concrete ingredients at a job site, which truck further includes a fiber strand choppi... | 02/06/2007 |
| 7134573 | Apparatus for dispensing a plurality of powders and method of compounding substances An apparatus for dispensing a plurality of powders or flowable materials, such as colorants for paint, caulking or grout or components of cosmetics, comprising a plurality of containers for holding the powders or flowable materials, a plurality of metering pumps, co... | 11/14/2006 |
| 6527147 | Apparatus and process for dispensing dunnage A system for providing dunnage to packages as the packages are formed is disclosed. The system includes a dunnage forming machine having a work station for inflating and sealing plastic pouches to form dunnage units. An accumulator is positioned below the... | 03/04/2003 |
| 5811145 | Method and apparatus for continuously cutting and discharging a constant amount of bread dough An apparatus is provided that can always and continuously cut and discharge a constant amount of bread dough, regardless of its properties, from a mass of bread dough in a hopper. The apparatus is characterized by projections (5,6) mounted on pairs of opp... | 09/22/1998 |
| 5590588 | Apparatus for supplying a predetermined amount of food stuffs In an apparatus for supplying a predetermined amount of cooking materials, a pair of conveyer belt mechanisms 2 synchronously running along both sides of a material supply path is provided in a storage 1 for accommodating cooking materials, such as choppe... | 01/07/1997 |
| 5516011 | Roller dispenser machine A roller dispenser includes a pair of counter-rotating cylindrical grid die rolls disposed adjacent a bottom opening in a hopper containing material to be dispensed. The grid die rolls have openings therein which assist in separating the material within t... | 05/14/1996 |
| 5316197 | Feeder for adding fibrous material to a conveyor having concrete ingredients The present invention is an apparatus for introducing fibrous material into a continuous flow of concrete. Fibrous material is pushed through an aperture located in the bottom of a container. As the fiber falls from the aperture, it is agitated and spread... | 05/31/1994 |
| 5176295 | Discharge apparatus for bins A discharge apparatus for use in bins or hoppers in which a pluraity of rolls are disposed in a lower portion of the bin, and are so arranged to inhibit gravitational flow of material between the spaces defined by adjacent rolls. The rolls include knobs, ... | 01/05/1993 |
| 4934606 | Spreader for granulated products by forced projection The spreader comprises at least one caster group (10) including at least two cylindrical rollers (11, 13) which are externally tangent to one another and define between them a spout (15, 16) for projecting the sheet of granular products flowing from a hop... | 06/19/1990 |
| 4619381 | Method and apparatus for discharging materials from a storage bin There is provided a method and apparatus for discharging storage bins within which difficult-to-handle materials are stored, the apparatus including a container adapted to be fixed to the bottom of the storage bin or silo, having horizontally spaced apart... | 10/28/1986 |
| 4530383 | Apparatus for feeding the growing substrate into the cells in a set of growing cells The present invention relates to a device for feeding a substrate into the cells of a set of growing cells placed underneath the device. The feeding device includes two horizontal feeding rolls parallel to each other. Each feeding roll includes a pluralit... | 07/23/1985 |
| 4513893 | Apparatus for spreading a polyurethane foamable compositon A method and apparatus for spreading a foamable composition for forming a polyurethane foam. The foamable composition is uniformly spread on all of a surface which is moved by scattering the foamable composition uniformily in its transversal direction. Th... | 04/30/1985 |
| 4504182 | Procedure for controlling the density distribution of wood chips and device therefor A chip material container arrangement is provided for storage of material to be spread in the production of particle and/or fiber boards. The container arrangement is equipped with several discharge rollers arranged one above the other, a base belt and fe... | 03/12/1985 |
| 4363341 | Plant container filling machine An apparatus for continuously metering soil into moving containers is provided. Two synchronated rotating bladed wheels dispense soil from a hopper into flats of pots moving on a conveyor in a coordinated manner beneath the wheels. The hopper is vibrated ... | 12/14/1982 |
| 4288008 | Agricultural spreader device of modular design for pulverulent material An agricultural spreader device for spreading seed and other granular material, the spreader being constituted by modular assemblies which are attachable to a central carrier assembly mountable on an agricultural machine such as a tractor. Each modular as... | 09/08/1981 |
| 4211492 | Dough portioning machine Dough to be portioned is filled into a hopper, which leads to a chamber from which the dough is forced by means of a plunger into pocket openings arranged on the circumference of a rotating drum. Two rotary members are arranged in the hopper, each of whic... | 07/08/1980 |
| 4154373 | Bucket wheel charging valve A bucket wheel charging valve having an outer enclosing housing with first and second counter-rotatable wheels on parallel axes therein with each wheel having cells along the periphery with the cell walls swung on an axis coincident with the opposite whee... | 05/15/1979 |
