The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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 |
| 8087603 | Sealing enclosure for a blender An enclosure for a blender including a body portion adapted to be secured to a base, and a cover pivotally attached to the body portion. The body portion includes sidewalls, a back wall, and an abbreviated top wall. The cover includes sidewalls, a front wall, a top ... | 01/03/2012 |
| 7562838 | Food processor bowl and food processor A food processor bowl includes a container having a coaxial inner sleeve for locating a rotary tool in the container and a dispensing opening. A removable closure for the container has an open position for dispensing contents from the container and a closed position... | 07/21/2009 |
| 7441719 | Mill box for materials grinder A grinder having a grinding structure and a sizing screen is disclosed herein. A top cover covers the grinding structure. The sizing screen can be removed from the grinder by opening the cover, and lifting the sizing screen through the opening left by the cover.... | 10/28/2008 |
| 7422167 | Fluid-energy mill A fluid-energy mill for size reduction of a material includes a manifold defining a grinding chamber having a first radius extending from a center of the grinding chamber, a gas inlet, a feed inlet, and an outlet. The feed inlet is positioned such that the material ... | 09/09/2008 |
| 7398937 | Shredding machine A shredder for pruning sarments and similar materials, comprising a frame provided with wheels on which are installed: a shredding group, a storage container and a conveying conduit of the shredded sarments from the shredding group to the storage container. The stor... | 07/15/2008 |
| 7374115 | Ball mill provided with an agitator A ball mill is provided with an agitator and comprises a grinding chamber containing grinding medium, a stator and a rotor which are arranged in said grinding chamber, an input opening for material to be ground and an output opening for ground material which are use... | 05/20/2008 |
| 7360725 | Material crusher Crusher has a housing with a cylindrical crushing chamber defined by a tubular wall. Opposed side plates are secured to respective ends of the wall. A drive shaft rotates impact tools within the chamber. An intake aperture and a discharge aperture are in communicati... | 04/22/2008 |
| 7360727 | Apparatus and method for the mechanical comminution of semiconductor materials A mechanical crushing apparatus for comminuting a polycrystalline silicon ingot, has a base and opposed comminuting and mating chisels, the chisels having longitudinal axises oriented at right angles to a longitudinal axis of the base and parallel to the surface of ... | 04/22/2008 |
| 7360731 | Shredder The improvements relate to shredders for paper and the like having a shredding mechanism with an opening through which shredded material passes out of the shredding mechanism, a compactor plate located beneath the shredding mechanism and including an opening, and a ... | 04/22/2008 |
| 7337995 | Kernel cracking assembly A kernel cracking assembly comprises two frames each supporting a respective one of two rollers between which kernels are crushed. A hydraulically operated actuator acts to move the frame relative to frame to set the separation of the rollers. A position sensor coup... | 03/04/2008 |
| 7325762 | Paper guiding chute for a paper shredder The device consists of a paper guiding part formed by a pair of substantially parallel plates spaced with a slot for guiding the paper and a flange for attachment to the shredder. The paper guiding part of the chute may be hinged to the flange for tilting the guidin... | 02/05/2008 |
| 7293727 | Crusher and mobile crushing machine equipped with the crusher A mobile crushing machine, equipped with an impact crusher having a separable casing 31 comprising a stationary casing 70 and a movable casing 30, is adopted for casing 31 with the upper end 724 of the stationary casing 70 p... | 11/13/2007 |
| 7255296 | Granulator mill A granulator mill includes a mill housing with an openable part and a fixed part, a rotor which is rotary inside the mill housing and has a number of blades for co-operation with at least one fixed blade mounted in the mill housing and a discharge section whose inte... | 08/14/2007 |
| 7229041 | Lifting lid crusher A blockage clearance apparatus for a crusher that has a housing and a lid and at least one anvil mounted to the lid for crushing material. The housing contains a rotatable rotor with radial blow bars against which crushable materials are forced during operation. In ... | 06/12/2007 |
| 7226009 | Shredder with pivoting housing for the shredder mechanism The present invention relates to a shredder wherein the shredder housing can be pivoted between a generally horizontal orientation and a generally vertical orientation. ... | 06/05/2007 |
| 7198211 | Waste pulping system In a waste pulping apparatus, an impeller assembly comprises a rotating blade for pulping solid waste to form a slurry, the rotating blade having an axis of rotation, a base and a plurality of ears that axially extend away from the base. The impeller assembly also i... | 04/03/2007 |
| 7185837 | Spill-resistant material milling processor A spill-resistant material processor includes a vessel having an opening with a funnel-shaped rim, a lid, a processing blade rotationally mounted within the vessel, and a base having a motor therein to drive the processing blade and process any material within the v... | 03/06/2007 |
| 7121487 | Screening apparatus with hammermill A screening machine on a frame with a hopper having a conveyor belt. The conveyor belt discharges particulate material poured into the hopper into a rotating barrel screen or vibrating planar screen for sifting the material. A hammermill apparatus is pivotably mount... | 10/17/2006 |
| 7121488 | Spring assist assembly for infeed pan of wood chipper An assist assembly for an infeed pan of a wood chipper includes at least one assist mount adapted to be connected to the wood chipper. The assist assembly also includes at least one assist member connected to the assist mount and adapted to operatively engage the in... | 10/17/2006 |
| 7083131 | Paper shredder A paper shredder includes a shred container having an open end formed with two opposite pivot seats, and a shredder cover provided with two pivot members at two opposite sides thereof. The pivot members are mounted on the pivot seats of the shred container such that... | 08/01/2006 |
| 7048215 | Comminuting apparatus having screen and access tray A comminuting apparatus is provided with a housing, at least two intermeshing scissor rolls, a screen, and an access tray. The housing has an entrance opening for receiving waste material and an exit opening for removing subdivided waste material. The scissor rolls ... | 05/23/2006 |
| 7025293 | Shredder with pivoting housing for the shredder mechanism The present invention relates to a shredder wherein the shredder housing can be pivoted between a generally horizontal orientation and a generally vertical orientation. ... | 04/11/2006 |
| 7021576 | Blade mill for grinding plastic material The invention describes a blade mill for grinding plastic material with a rotor which is driven in rotation inside a grinding chamber and has a plurality of radially outwards-pointing cutter blades distributed around its circumference and a plurality of stationary, ... | 04/04/2006 |
| 6978956 | Method and apparatus for granulating plastic A granulator has a first coarse cutting stage operating at between 5 and 45 rotations per minute and a second fine cutting stage operating at two to ten times the speed of the first stage. Since granulate exiting the second stage is uniformly divided, the granulator... | 12/27/2005 |
| 6962300 | Stationary cone over tub An apparatus for assisting in loading material to be ground into a rotatable drum assembly and protecting the rotating means of the assembly. A stationary drum assembly having a frustoconical stationary sidewall is configured to aid in feeding material into the rota... | 11/08/2005 |
| 6941988 | Batch rotary debarker A batch debarking apparatus includes a rectangular bin and a plurality of abrader rotors placed across the bin. Log batches are debarked within the bin and discharged laterally through one sidewall of the apparatus. ... | 09/13/2005 |
| 6935588 | Transportable shredding machine A transportable shredder comprises a comminutor, a horizontal intake conveyor on one side of the comminutor, and a discharge conveyor movable from a stowed position, where it is partly underneath the intake conveyor, to an operating position where it extends oblique... | 08/30/2005 |
| 6783092 | Rock crushers The invention relates to improvements to rock crushers, and in particular rotary impact rock crushers. The crushing chamber may be angled to achieve the desired rock product. Also disclosed is an anvil for use in crusher whereby the anvil position adjustable. The in... | 08/31/2004 |
| 6745966 | Impact mill with pivotable impact apron An impact mill has at least one rotor fitted with blow bars rotatably mounted in a mill housing and acting together with at least one impact apron, said at least one impact apron pivotably arranged in the mill housing via a pivot axle and infinitely adjustable by me... | 06/08/2004 |
| 6745965 | Timber crusher A timber crusher capable of sufficiently exhibiting an effect of preventing timber pieces from scattering to an outside and also preventing damage to the crusher is provided. To this end, in the timber crusher comprising, on a base, a crusher for crushing timber int... | 06/08/2004 |
| 6745964 | Apparatus for comminuting organic substances A tearing mill for comminuting fruits is equipped with a rotatably supported plate having tearing elements And with a stuffing device with a feed screw for delivering the fruits to the plate. A gap of adjustable width exists between the stuffing device and the plate... | 06/08/2004 |
| 6736342 | Method and apparatus for comminuting chips A method and two apparatuses for comminuting chips are presented. Chip breakers without a coarse-part ejecting element are often used for comminuting chips. Blocking constituents therefore have to be removed with great effort, for example by hand. If a coarse-part e... | 05/18/2004 |
| 6732963 | Flour milling roll machine having front door and roll cover with fulcrum axes for exposing rolls easily The machine comprises a front door, a roll cover having a main roll cover and a feed roll cover, a first fulcrum axis between the main and feed roll covers, and a second fulcrum axis between the feed roll cover and a frame. The front door has a hinge at the upper po... | 05/11/2004 |
| 6685118 | Two roll crusher and method of roller adjustment A roll crusher having a box-like main frame, a material inlet and material outlet, a first rotatable crushing roll on the frame and a second rotatable crushing roll mounted on a roll carriage in an opposed, spaced apart relationship to the first crushing ... | 02/03/2004 |
| 6581862 | Horizontal shaft impact rock crusher with breaker plate removal feature A horizontal shaft impact rock crusher having breaker plates which are coupled to a shaft or pins which rest in voids along an edge of the crusher and are held in place by a retainer device, such that the breaker plates with the shaft or pins still attach... | 06/24/2003 |
| 6572038 | Machine for shredding compacted fibrous material and pneumatically conveying resultant shredded materials A machine for separating a compacted fibrous material and pneumatically impelling separated fibrous material generally comprising a hopper having a trough at a lower end thereof provided with an outlet, a pair of augers disposed in the trough operable to ... | 06/03/2003 |
| 6371393 | Housing for a comminution machine In a housing for a comminution machine with tools, which are secured to a rotor supported in the housing and which form active wear parts, such as hammers, and an anvil forming a counter tool, as well as inactive wear parts in the form of interchangeable ... | 04/16/2002 |
| 6322013 | Grinding apparatus for foodstuffs An apparatus for grinding foodstuffs includes a grinding chamber comprising a housing having fixed and driven grinding members positioned therein. The driven grinding member is mounted at one end of a drive shaft, and apparatus is provided at the opposite... | 11/27/2001 |
| 6209813 | Grinding apparatus for foodstuffs An apparatus for grinding foodstuffs includes a grinding chamber comprising a housing having fixed and driven grinding members positioned therein. The driven grinding member is mounted at one end of a drive shaft, and apparatus is provided at the opposite... | 04/03/2001 |
| 6202950 | Crop material processor with controlled discharge A crop material processor for disintegrating baled crop material comprises a container, a disintegrator, means for manipulating the crop material for disintegration by the disintegrator and a discharge opening that is at the bottom of one of the side wall... | 03/20/2001 |