Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7905437 | Waste shredder comprising at least two rotors A waste shredder (1) includes at least one loading chamber (3), two or more rotors (4) placed in seats formed in the bottom wall of the loading chamber (3) and a movable hopper (2) sliding above the loading chamber (3) and p... | 03/15/2011 |
| 7578463 | Modular Rotary Grinder The present invention relates to a single shaft rotary grinder having a modular and/or split apart configuration. The modular configuration has assembly units and/or component parts that are interchangeable providing ease of construction of a rotary grinder having d... | 08/25/2009 |
| 7478772 | Crushing and grinding device, a soybean milk maker including said device and a method for making soybean milk The present application discloses a recirculating crushing and grinding device for crushing and grinding liquid-like materials or materials that contain liquid, said device comprises a motor, a hopper, a crushing and grinding part and a material recirculating part. ... | 01/20/2009 |
| 7419110 | Comminuting apparatus and material receiving duct for comminuting apparatus A material receiving duct is provided for a comminuting apparatus. The material receiving duct includes a material entrance section, a material exit section, and a telescoping section. The material entrance section has a material entrance. The material exit section ... | 09/02/2008 |
| 7387268 | Document destroyer with individual sheet feeding for stacked sheet material A method for destroying stacked sheets according to which the sheets are mechanically individualized, grasped and cut. To this end, the down-most individual sheet in the stack is grasped in its center section from below, is folded and removed from the stack as a par... | 06/17/2008 |
| 7377201 | Food processing apparatus for forming strips, slices and cubes A food processing apparatus comprises a first and second shaft and first, second, third and fourth subsets of blades. The first and second subsets of blades are mounted to the first shaft. The blades of the first subset of blades are separated by a first displacemen... | 05/27/2008 |
| 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 |
| 7270285 | Band cutting system A cutting system for cutting elongate bands of material is provided. The cutter includes a cutter and a motor connected to the cutter for rotatably driving the cutter. A tube surrounds the cutter at a predetermined spacing from the motor, the tube including an openi... | 09/18/2007 |
| 7090156 | Destroying planar material True zero-clearance cutting on a commercial scale is provided via a cutting area including a sacrifice material that is relatively softer than the cutter. One example is a cutting system which is capable of cutting a material such as, for example, tape or paper, int... | 08/15/2006 |
| 7083132 | Comminuting apparatus with multiple entrance openings A comminuting device is provided having a support structure, a set of intermeshing scissor rolls, at least two entrance openings, and a bulkhead. The support structure has an enclosure. The set of intermeshing scissor rolls are rotatably carried by the support struc... | 08/01/2006 |
| 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 |
| 6595444 | Attachment for paper shredders for receiving and feeding printed matter The invention relates to an attachment for paper shredders for receiving and feeding printed matter, in particular, crumpled paper, as is found in wastepaper baskets and the like, as well as a method for filling a paper shredder by using the aforementione... | 07/22/2003 |
| 6454196 | Comminution devices A shredder (2) for shredding a variety of different materials includes a fixed framework provided with a cutting assembly (20) having at least two counter-rotating cutting arrays (22, 24) each comprising a plurality of cutters (46) and a movable framework... | 09/24/2002 |
| 6390397 | Paper shredding device An automatic paper shredder is capable of sequentially cutting up to 20 sheets of 20-lb bond paper, up to 9 inches wide. The device has adjustable holders for attachment to conventional wastebaskets of varying shapes. A feed tray holds the stack of paper.... | 05/21/2002 |
| 6311909 | Syringe needle shredder A feeding device receives various kinds of syringe needles and feeds them one by one into a press roller unit of a syringe needle shredder which pulls the needles, rolls the needles flat and then sends them down into a chopping roller unit to chop the fla... | 11/06/2001 |
| 6149084 | Device for preparing coffee powder A coffee grinder which may be used in the hotel industry is positioned at an oblique angle to the vertical and makes it possible for several coffee grinders for different types of coffee to be accommodated in a minimal space. Coffee beans are fed into a g... | 11/21/2000 |
| 6032884 | Replaceable shear edge for a star-type feeder In an otherwise conventional star feeder, equipment longevity is greatly enhanced by providing a readily replaceable shear edge at the downstreammost (in the direction of rotor rotation) portion of the feeder housing inlet, adjacent the clearance between ... | 03/07/2000 |
| 5988541 | Triturating machine with material selection and rotating compactor A refuse trituration-compaction machine including: a rotating loading inlet with a cylindrical portion and a pivoting sack-pushing flap for pushing material into the machine; a horizontal conveyor belt for transporting the refuse from the loading inlet to... | 11/23/1999 |
| 5975445 | Paper shredding device An automatic paper shredder is capable of sequentially cutting up to 20 sheets of 20-lb bond paper, up to 9 inches wide. The device has adjustable holders for attachment to conventional wastebaskets of varying shapes. A feed tray holds the stack of paper.... | 11/02/1999 |
| 5845857 | Coffee mill adapted for controlled mixing of coffee beans A coffee mill providing for mixing of coffee beans in different ratios includes a bin partitioned in the middle to form two chambers holding two different types of coffee beans. An outlet in the bottom center of the bin leads to a coffee grinder. This cen... | 12/08/1998 |
| 5730830 | Fiber panel manufacturing method and apparatus Apparatus and method for forming structural panel members from fiber crop material such as rice, straw and the like. The fiber crop material is bailed into circular or rectangular bails which bails are placed in a debailer/shredder. The fiber material is ... | 03/24/1998 |
| 5716014 | Self-advancing crushing machine A self-advancing crushing machine includes a vehicle body, a travelling structure mounted to the vehicle body, a crusher mounted to the vehicle body and provided with a rotational shaft arranged horizontally and adapted to support a rotational blade, and ... | 02/10/1998 |
| 5645234 | Compact reduction grinder A trailered, short stroke reduction grinder including a telescoping, multi-stage push ram and hydraulic grinding head which are operable from seat mounted joy sticks in an enclosed operator cabin. Collected reduction materials are pushed to a grinding cha... | 07/08/1997 |
| 5634601 | Granulator for strand materials In order to simplify cleaning work in a granulator for strand materials with a feed device for taking up the strand material and conveying it to a subsequent shearing blade roller which rotates contrary to the direction of conveyance of the strand materia... | 06/03/1997 |
| 5609308 | Fine adjustment/quick acting manual actuator for roller mill feed gates A manually actuated mechanism for roller mill feed gates that features both fine adjust and quick acting actuation. The mechanism consists of a hand wheel attached to an acme threaded rod, both of which are mounted in a bracket, the rod is attached to a c... | 03/11/1997 |
| 5597125 | Apparatus for fluffing bales of peat moss and other organic matter The present invention is directed to an apparatus for disassociating material such as peat moss from a compressed bale. The apparatus includes a housing having a plurality of substantially vertically stacked agitator assemblies. The agitator assemblies ar... | 01/28/1997 |
| 5595348 | Machine for triturating composite materials, particularly for triturating solid urban waste The present invention relates to a machine for triturating composite materials, particularly for triturating solid urban waste, which comprises a shredding apparatus that is in turn composed of a cutting element provided with multiple blades arranged side... | 01/21/1997 |
| 5547136 | Rotary grinding apparatus for recycling waste materials A heavy-duty grinder is disclosed having increased durability and longevity due to a construction that produces low mechanical vibrations and noises during operation. The grinder includes a pair of end plates, preferably solid steel, and a pair of cutting... | 08/20/1996 |
| 5529250 | Feeding device for gas swept sized reduction machines A feeding device is disclosed for feeding cellulose material, such as wood chips to gas swept size reduction machines, and wherein the elimination of foreign particles from the material to be crushed is mainly achieved by pneumatic screening. The device i... | 06/25/1996 |
| 5516049 | Hospital refuse sterilization plant To reliably sterilize hospital refuse in a quantities and configuration in which it occurs on its collection, the plant includes a refuse loading device, a shredder, a motorized screw for refuse conveying, a microwave oven and a device for removing the tr... | 05/14/1996 |
| 5474239 | Material shredding apparatus Material shredding apparatus for reducing scrap vehicle tires to produce two sub-products of rubber and of rubber free steel wire in which the apparatus has a shaft driven set of blocks in which each block has cutting teeth in circumferentially spaced rel... | 12/12/1995 |
| 5458295 | Dual chamber coffee mill A coffee mill with two bins for holding two types of coffee. The bins slope downwardly and inwardly to provide two adjacent bin outlets. These outlets feed into the entrance to a coffee grinder. A slider plate and a baffle plate are slidingly mounted betw... | 10/17/1995 |
| 5417375 | Material reducing machine An improved arrangement for feeding material through a material reducing machine. An inclined wall is positioned strategic to a material reduction unit and a plunger of the machine. A lower beveled edge of the inclined wall is positioned in close proximit... | 05/23/1995 |
| 5417374 | System and method for pressure treatment of granular material An improved roller press for the high pressure interparticle crushing of a pulverulent material and the method of operating including opposed parallel horizontal crushing rollers forming a high pressure crushing nip between them and forcing air from the m... | 05/23/1995 |
| 5386946 | Flaking mill with a product channel on each of the axial ends of the rollers A roll mill, particularly a flaking mill with a product channel on each of the axial ends of the rollers utilizes at least two rollers having guide channels with adjoining guide surfaces, at their axial ends, with the guide channels and guide surfaces, co... | 02/07/1995 |
| 5379955 | Infeed hopper with pivotable throat for shredder or granulator An infeed hopper with a pivotable throat portion for feeding material into processing device. The pivotable throat portion has a first position in which it guides feed material from an inlet of the infeed hopper toward the processing device, and is movabl... | 01/10/1995 |
| 5362000 | Pre-comminuting and metering apparatus for paper shredders A pre-comminuting and metering apparatus, particularly for large plants for shredding paper and similar waste materials. The apparatus includes a pair of cutting rollers arranged at the bottom of a hopper. The cutting rollers are driven in opposite direct... | 11/08/1994 |
| 5174511 | Apparatus for feeding material for a roll mill Apparatus for feeding particulate material to a roll mill, such as a roll refiner mill, or flaking mill has rollers (1, 2) pressed against each other with the help of a pressure exerting device, and a feeding compartment disposed above the nip (3) for the... | 12/29/1992 |
| 5154363 | Reciprocating action miller A self-contained reciprocating action miller having a grinding mill housed within a mill housing and rotating about a grinding axis. A refuse hopper mounted above the mill housing has a convex floor with an opening therein to expose the grinding mill. Rec... | 10/13/1992 |
