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.
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| Number | Title | Issue Date |
| 7247205 | Vehicle powder coating system An apparatus for applying powder coating material onto large objects such as automotive, truck or other vehicle bodies includes a powder spray booth defining a controlled area within which to apply powder coating material onto the vehicle bodies, a powder kitchen lo... | 07/24/2007 |
| 7166164 | Vehicle powder coating system An apparatus for applying powder coating material onto large objects such as automotive, truck or other vehicle bodies includes a powder spray booth defining a controlled area within which to apply powder coating material onto the vehicle bodies, a powder kitchen lo... | 01/23/2007 |
| 6979166 | Vacuum wand assembly for extracting a product from a container The subject invention relates to a vacuum wand assembly for extracting a product from a container, especially a non-self supporting container that collapses as the product is extracted. The assembly includes a wand for extending into the container and for withdrawin... | 12/27/2005 |
| 6454141 | Non-pressurized dry powder dispensing apparatus An apparatus and a method for dispersing and feeding dry powders without using pressurized air are disclosed. The apparatus comprises a sample holder, a suction probe, a vacuum means and a positional means. The suction probe is positioned above dry powder... | 09/24/2002 |
| 6036408 | Extraction apparatus for bulk material containers An improved extraction apparatus for bulk material containers, in particular for bins (1) filled with a pourable bulk material (3), comprises a suction head which can be lowered onto the bulk material (3). According to the improvement, provision is made f... | 03/14/2000 |
| 5642977 | Silo unloader The present invention provides a silo unloader which combines the advantages of both a single auger unloader and a double auger unloader and substantially eliminates the disadvantages of both, to create a silo unloader that is very efficient and effective... | 07/01/1997 |
| 5636921 | Powder dispersing apparatus with movable powder storing member A powder dispersing apparatus which can disperse every given amount of sample powder in a gas even when the amount is small, thereby continuously generating dispersed powder or floating powder at a desired concentration. The powder dispersing apparatus in... | 06/10/1997 |
| 5271695 | Device for pneumatically feeding powder from a container A pipe arrangement (40) consists of two nested pipes (60, 62) and a nozzle head (68, 76) on their bottom ends. This nozzle head is located within the diameter of the pipe arrangement (40) and does not protrude radially beyond its diameter. The pipe arrang... | 12/21/1993 |
| 4859121 | Method and device for the dispersion of ultra-fine powders Method and device for suspending an ultrafine powder in a gas wherein a mass of powder to be dispersed in enclosing in a container between an axially movable piston and an axially fixed member adjacent to the ends of the container. The fixed member define... | 08/22/1989 |
| 4812086 | Particulate material loader A filterless loader which entrains particulate material in air flows is described. The loader includes a reservoir in which the materials may be accumulated and from which the materials may be delivered under gravity through a lowermost outlet to appropri... | 03/14/1989 |
| 4533280 | Surface removal silo unloaders An improved silo unloader having an ensilage cover of air impermeable thermally insulating material for limiting air contact with the surface of the ensilage. The ensilage cover rests on the surface of the ensilage and rotates with the lower part of the s... | 08/06/1985 |
| 4505623 | Apparatus for transferring powder from bulk drums Apparatus for emptying a drum of powdered material. The drum is mounted on a support at a 45° angle to vertical. The drum has a cap having two holes and sleeves projecting into the drum from the holes. The sleeves are aligned with the bottom corner of th... | 03/19/1985 |
| 4497598 | Method and apparatus for controlled rate feeding of fluidized solids The vapor space above a bed of fluidizable particles in a chamber is variably controlled by extending a moveable conduit through the upper portion of the chamber to position the conduit inlet at a selectable height above the bed. Fluid flows uniformly up ... | 02/05/1985 |
| 4490078 | Gravel injection apparatus Disclosed is an apparatus and system for forming a slurry of gravel and fluid, preferably for injection into an oil and gas well during gravel packing operations. The apparatus includes a pressure vessel that is adapted to receive the gravel. The pressure... | 12/25/1984 |
| 4465418 | Suspension for ring drive silo unloader A silo unloader is of the type which has three support arms, and three suspension cables connected to the support arms are trained over sheaves on a tripod in the top of the silo and connected to a winch on the outside of the silo wall by means of which t... | 08/14/1984 |
| 4465409 | Silo unloader A top unloading silo unloader pendently supported in a tower silo. The unloader has a material collector moved around the silo with leading and trailing drive wheels. An impeller receives material from the collector and throws the material into an out chu... | 08/14/1984 |
| 4363574 | Method of emptying a powder or like material out of a container Method of emptying a powder or like material out of a container. The powder (9) is conveyed out of the container (1) from its free upper surface by means of a stream of carrier air in a carrier-air pipe (6; 10; 12) provided with openings for the powder. The em... | 12/14/1982 |
| 4360294 | Silage extraction apparatus This invention relates to an apparatus for extracting silage for a cylindrical silo, of the kind including a suction extractor pipe and a suction aperture means including toothed wheels for feeding silage material to the suction aperture, the wheels direc... | 11/23/1982 |
| 4352606 | Device for extracting hay from a tower silo This invention relates to devices for extracting hay or the like from a cylindrical tower silo, of the kind including a pneumatic conveyor pipe leading centrally into the silo and forming an inlet at its upper end, the conveyor pipe having a suction head ... | 10/05/1982 |
| 4329105 | Silo unloader leveling apparatus A top unloading silo unloader pendantly supported in a tower silo. The unloader has a material collector moved around the silo with drive structure. An impeller receives material from the collector and throws the material into an out chute which directs t... | 05/11/1982 |
| 4289437 | Silo unloader lowering control A top unloading silo unloader pendently supported from a tripod with a cable connected to a motor operated winch. An automatic silo unloader let-down control system is operably connected to the winch motor to energize the motor once during each revolution... | 09/15/1981 |
| 4265572 | Process for the pneumatic transfer of a pulverulent material Process for the pneumatic transfer of a pulverulent material contained in a cylindrical container, wherein it comprises the introduction, via a sealed passage located in the upper part and in the axis of the container, of a suction member which is movable... | 05/05/1981 |
| 4245933 | Silo installation and apparatus for loading and unloading a silo A material-handling blower is associated with a conveyor duct, which has an open lower end. A horizontal conveyor screw has an inner end associated with the lower end of said duct and is angularly movable about a main vertical axis extending near said inn... | 01/20/1981 |
| 4243352 | Suspension for silo unloaders A silo unloader is of the type having a tripod with inwardly and upwardly inclined legs, including a main leg and lateral legs, surmounting the wall of a cylindrical silo, and a silo unloader mechanism has three generally radially extending horizontal sup... | 01/06/1981 |
| 4227836 | Suspension for silo unloaders A top silo unloader is of the type which has a cutter-conveyor pickup arm, an impeller, a drive ring above the cutter-conveyor pickup arm, and support arms in a horizontal plane above the drive ring to which suspension cables are connected for moving the ... | 10/14/1980 |
| 4170385 | Silo unloader with leveling and drive structure A top unloading silo unloader pendantly supported in a tower silo. The unloader has a material collector moved around the silo with an automatic leveling and drive structure. An impeller receives material from the collector and throws the material into an... | 10/09/1979 |
| 4132450 | Silo unloader lift attachment A top unloading silo unloader equipped with a lift attachment connected to a lifting cable used to raise and lower the silo unloader in a tower silo. The lift attachment has an elongated body releasably connected at one end to the impeller housing of the ... | 01/02/1979 |
| 4125194 | Torque arm assembly A torque arm assembly for securing a silo unloader output chute. The assembly preferably comprises first frame means adapted to extend vertically upwardly from the silo unloader and second, generally horizontal tracking frame means pivotally coupled to th... | 11/14/1978 |
| 4108499 | Method and control system for controlling a suspended implement A method and a control system for controlling the height level position and horizontal movement of a suction device which is vertically movably suspended from a horizontally movable supporting device according to variations of the inclination, or angular ... | 08/22/1978 |
| 4091940 | Silo unloader The invention provides a silo unloader having in connection with its spout assembly, comprised of its discharge spout and its underlying torque arm, features of improvement including means automatically functioning to not only facilitate raising and lower... | 05/30/1978 |
| 3968998 | Top unloader for silos The unloader serves to remove chopped silage from a circular silo. A frame is adapted to be supported on the inside surface of a peripheral wall of the silo and to be lowered in said silo when silage has been removed. A unit is carried by said frame and m... | 07/13/1976 |
| 3951462 | Apparatus for feeding a powdered substance Apparatus for removing a powdered substance, such as dried eggs, from a container and feeding the substance at a uniform rate to another location includes a rotating platform on which the container is placed, a suction pipe located over the container and ... | 04/20/1976 |
