Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7360719 | Apparatus for applying loose fill insulation An improved apparatus for applying loose fill insulation generally includes an insulation feed portion and an insulation gun. The insulation feed portion is driven by a motor which is controlled by a clutch and a clutch control circuit. An insulation gun is mounted ... | 04/22/2008 |
| 7137237 | Forage harvester blower The present invention relates to a forage harvester blower including a blower rotor having a plurality of generally radially extending rotor paddles which operate in a corresponding substantially cylindrical housing, characterised in that said housing is provided wi... | 11/21/2006 |
| 7090441 | Insulation installation system An insulation installation system including: a supply of material having discrete elements and a self-contained applicator. In the preferred embodiment of the invention, the insulation installation system further includes a work platform. The self-contained applicat... | 08/15/2006 |
| 6964544 | System for pneumatically conveying bulk particulate materials A system for pneumatically conveying a bulk particulate material generally consisting of means for holding such material, having an inlet and an outlet; a first material transport line segment including a first conduit formed of a gas permeable material having an in... | 11/15/2005 |
| 6263883 | Interchange apparatus for a pneumatic conveying system An interchange apparatus for a pneumatic conveying system including a plurality of branch tubes joined together at an acute angle in an interchange chamber to form a main tube and a flap positioned between at least two branch tubes of the plurality of bra... | 07/24/2001 |
| 6213289 | Multiple channel system, apparatus and method for transporting particulate material An apparatus for transporting particulate material includes a housing having an inlet for receiving particulate material and an outlet through which particulate material is discharged in a moving dynamic mass. A rotor is supported for rotation within the ... | 04/10/2001 |
| 6142714 | Particulate material accelerator conveyor A particulate material accelerator conveyor includes a housing having a wall with openings therein for an air inlet, a particular material inlet, and a mixture outlet; a feed auger rotatably mounted in the housing and in fluid communication with the parti... | 11/07/2000 |
| 5374141 | Mat forming apparatus Mat forming apparatus comprising, in combination, a hollow material transporting member, drive structure for producing a pressure differential across spaced portions of the transporting member so that material is propelled from one of the spaced portions ... | 12/20/1994 |
| 4936031 | Apparatus for excavating soil and the like using supersonic jets A "soft excavator" utilizes supersonic jets of air to loosen and remove soil and the like without damage to utility lines and other "hard" buried objects. A pair of digger nozzles, each mounted at an angle to the axis of the tubular support shaft which in... | 06/26/1990 |
| 4930944 | Blower with energy absorbing housing A blower for conveying material includes a housing and a spout. The housing has a front wall, a rear wall and an arcuate side wall extending between the front and rear walls. A plurality of arms with paddles mounted thereon are rotatable within the housin... | 06/05/1990 |
| 4738770 | Apparatus and method of removal of catalyst blockage from reactor recycle pumps A process and apparatus of preventing the plugging of the discharge and/or suction line of an internal recycle pump utilized in an expanded bed reactor of the type having a partition transversely extending through the lower portion thereof and defining a ... | 04/19/1988 |
| 4542775 | Slurry concentration and dilution apparatus Apparatus for not only removing fluids from a slurry system but also for injecting fluid into the slurry system so that the concentration can be positively maintained. The apparatus provides for a uniform dilution of slurry so that the fluids will not seg... | 09/24/1985 |
| 4521165 | Apparatus for pumping fluent solid material Apparatus for pumping fluent solid material comprising first and second expansible chamber pumps and means interconnecting the pumps. The first expansible chamber pump has an inlet with a check valve for intake of material from a supply thereof on an inta... | 06/04/1985 |
| 4451184 | Apparatus and method for feeding pulverized hydrocarbonaceous solids into a high pressure reactor The instant disclosure relates to the feeding of pulverized hydrocarbonaceous solids, such as coal, coke, tar sands, oil shale, etc., into a high pressure reactor for retorting or gasification of the solids. The pulverized hydrocarbonaceous solids are mix... | 05/29/1984 |
| 4444229 | Slurry concentration apparatus An apparatus for increasing the solids to fluids ratio of a slurry is constructed from a chamber which has a substantially circular cross section with a high pressure slurry inlet mounted through said chamber wall with the axis of the inlet normal to a di... | 04/24/1984 |
| 4409746 | Vortex injection dredging apparatus and method A dredging apparatus has a chamber with a substantially circular cross section. A first inlet and outlet is formed through the chamber with an axis of the inlet and outlet normal to a diameter of the chamber. A suction inlet is formed through the axis of ... | 10/18/1983 |
| 4378183 | Apparatus and method for pumping hot, erosive slurry of coal solids in coal derived, water immiscible liquid An apparatus for and method of pumping hot, erosive slurry of coal solids in a coal derived, water immiscible liquid to higher pressure involves the use of a motive fluid which is miscible with the liquid of the slurry. The apparatus includes a pump 12, a... | 03/29/1983 |
| 4358227 | Device for preparing and injecting sealing charges of cement The invention relates to a device for the preparation and injection of sealing cement for bolts in propping gallery roofs and walls in mines, quarries or tunnels. The device of the invention comprises a flexible pouch contained in a rigid housing which is... | 11/09/1982 |
| 4101174 | Slurry control system A liquid level sensor for determining the fluid level in a container and for controlling a fluid inlet to the container in response to the fluid level therein. The sensor includes a buoyant liquid-filled flexible conduit or liquid-filled hinged pipe membe... | 07/18/1978 |
| 4060281 | Coal slurry feeder A feeder apparatus for transferring particulate material and water from a sump outlet to the inlet of a pump is formed in the sump by making a well at the outlet of the sump and placing an impeller in the well. A partition is formed separating the inlet t... | 11/29/1977 |
| 4025121 | High-pressure injection hydraulic transport system with a peristaltic pump conveyor A high-pressure injection hydraulic transport system for conveying solids comprises a pressurizable hopper, a peristaltic pump conveyor, multiple air domes, and means for injecting air into the pumped slurry, such that a "beachcomber" effect is produced i... | 05/24/1977 |
| 3995775 | Cellulosic insulation blowing machine A cellulosic insulation blowing machine is disclosed. The machine has a base which includes an upper horizontal floor plate. A motor driven agitator assembly is mounted above the floor plate and includes a plurality of generally horizontal cross arms whic... | 12/07/1976 |
