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| Number | Title | Issue Date |
| 6250477 | Starscreen The invention relates to a star scalper for separating supplied material, and has a number of parallel, rotatable shafts that are each equipped with a number of star bodies placed at a distance from each other, which bodies have a hub and radially protrud... | 06/26/2001 |
| 6250476 | Municipal waste separator A separator includes a continuous inclined screening belt that passes over an upper roller and a lower roller to screen debris from municipal wastewater. The debris is then conveyed to a debris discharge outlet. A puddle of debris-laden wastewater forms a... | 06/26/2001 |
| 5921399 | Gumbo separator A gumbo separator has a continuous, inclined, moving screen belt which rides on and is supported by a perforated backing plate. The desirable portion of drilling fluids fed to the gumbo separator passes through the screen belt and backing plate and may be... | 07/13/1999 |
| 5758778 | Grain separator A grain separator to separate and remove contaminants such as dust and debris from grain including an intermediate separator housing having a grain inlet port to receive grain to be scoured from an external source, a grain outlet port to feed scoured grai... | 06/02/1998 |
| 5597076 | Grain separator A grain separator to separate and remove contaminants such as dust and debris from grain including an intermediate separator housing having a grain inlet port to receive grain to be scoured from an external source, a grain outlet port to feed scoured grai... | 01/28/1997 |
| 5469971 | Method and apparatus for deagglomerating powder An apparatus and method for deagglomerating powder which allows for the powder to be pressed immediately after being deagglomerated. The deagglomerating apparatus is preferably mounted on the powder pressing machine or shares the same housing with the pow... | 11/28/1995 |
| 5429248 | Grain processor A grain processor for separating and measuring components of a sample of grain as it passes through a rotary sieve having two or more sieving sections having different perforations so that selective separation is made on the basis of the size of the parti... | 07/04/1995 |
| 5248042 | Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control A mobile screening apparatus includes a horizontal rotary drum preferably fed by underflow from a prescreening device that is reversible endless belt of screening grizzly bars. The belt reverses for expelling oversize material caught between bars. Force n... | 09/28/1993 |
| 5222605 | Automatic particle size analyzer using stacked sieves The size ranges of particles separated on a stack of sieves of different mesh sizes is measured automatically. The stack is clamped together and shaken as a unit to separate the respective fractions, following which the sieves are sequentially separated f... | 06/29/1993 |
| 5051169 | Auger-type flour sifter A flour sifter for separating doughballs from fine particulate matter in a breading mixture, comprises a hopper for receiving the breading mixture. The lower portion of the hopper includes a sifting screen along most of the longitudinal length that is siz... | 09/24/1991 |
| 4983290 | Slit-tube filter A slit-tube filter has a hollow cylindrical filter element of bent wires which are attached to vertical retaining supports and form horizontal slits between themselves through which the liquid to be filtered passes, the cylindrical inner wall of the filte... | 01/08/1991 |
| 4952309 | Auger-type flour sifter A flour sifter for separating doughballs from fine particulate matter in a breading mixture, comprises a hopper for receiving the breading mixture. The lower portion of the hopper includes a sifting screen along most of the longitudinal length that is siz... | 08/28/1990 |
| 4911827 | Grass seed cleaner Fluffy grass seed with accompanying coarse trash and fine trash are placed upon the top of a vibrating screen. The fluffy grass seed are enmeshed in the meshes of the screen while the fine trash falls through the screen and the coarse trash is loose upon ... | 03/27/1990 |
| 4896835 | Screening machine A screening machine has a rotating screening drum for screening dirt or other material to a desired size through the screen openings, and is made so that it reduces clogging of the screen, even when rocks, dirt clods, and moist dirt is being screened. The... | 01/30/1990 |
| 4652055 | Device for collecting manganese nodules on the ocean floor A device for collecting manganese nodules or the like from the ocean floor having a frame that is drawn across the ocean floor, a cylinder rotating around a horizontal axis which has on its circumference brushes for picking up manganese nodules in the cir... | 03/24/1987 |
| 4469230 | Sorting cylinder for seeds and other grains A sorting cylinder for seeds and other grains with a horizontal, driven calibrating cylinder (11) resting on rolls (22, 23, 24, 25) and with a stationary machine casing (1) surrounding the calibrating cylinder (11) which has an inlet (4) for the material ... | 09/04/1984 |
| 4424129 | Dewatering apparatus for waste recovery systems An apparatus for collecting, transporting and dewatering animal waste prior to its introduction into a press for separating the solids therein from the remaining liquid waste.... | 01/03/1984 |
| 4409186 | Catalyst particle sizing apparatus Apparatus is provided to size finely divided catalyst particles so that all of the catalyst particles passing through the apparatus are sized so as to have a maximum particle diameter. The apparatus includes: (a) A sealed cylindrical housing having an arcuate ... | 10/11/1983 |
| 4325717 | Seal protector for air filtering apparatus Apparatus to remove dust, fibers, lint or other undesirable particles from air. Air ladened with dust, lint or other undesirable matter is drawn into a filtering housing to contact the surface of a rotatable screen-covered drum. The air passes through the... | 04/20/1982 |
| 4287064 | Brush driving apparatus for a solid-liquid separation screen On a liquid separation side of a screen is provided a rotary brush, pinions on the shaft of said rotary brush at its opposite ends are respectively meshed with stationary racks so that the brush may be rotated while it is moving in the horizontal directio... | 09/01/1981 |
| 4265738 | Cleaning and/or grading machine for free-flowing materials A cleaning and/or grading machine for free-flowing materials comprises at least one cleaning and/or grading unit accommodated in a hollow housing which is secured on a frame and connected with an aspirating chamber; a batching device located in the upper ... | 05/05/1981 |
| 4165280 | Method and means for cleaning feed hoppers The invention provides for the automatic and continuous cleaning of feed hoppers. A plurality of brushes extend transversely across the path of the upper flight of the horizontal conveyor in the bottom of a feed hopper. The brushes are spaced from each ot... | 08/21/1979 |
| 4056475 | Pulp catcher The present pulp catcher is provided with a rotating brush roller for cleaning the sieve or straining drum in a container. The shaft ends of the rotating brush roller are movably supported in bearings which are pressed by biasing means radially inwardly r... | 11/01/1977 |
