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| Number | Title | Issue Date |
| 5104522 | Spray fractionation disks and method of using the same Fractionation apparatus utilizes a rapidly rotating disk which receives a suspension of particles to be separated in a liquid. The rotating disk has a planar floor onto which the particle containing liquid is supplied. The floor is joined to an inclined i... | 04/14/1992 |
| 5049260 | Blast cleaning wet media feed and separation system A media particle size separating apparatus and method are disclosed for use with a slurry blast cabinet. The system is capable of continuous operation so that under sized blast media particles and fines can be separated out of the slurry along with debris... | 09/17/1991 |
| 4976875 | Method of and apparatus for separating a medium in different components by means of gravity A method of and an apparatus for separating a liquid medium in different components by gravity in a manner that a medium to be separated is set in slow rotating motion (2) with the axis of rotation substantially vertical, so that the heavier component con... | 12/11/1990 |
| 4961842 | Siphon gravity classifier and clarifier A device for separating liquids from solids and solids from solids is provided by utilizing a tall column filled with liquid which is subjected to a siphon action that pulls the liquid/solids mixture vertically through the column clarifying the liquid and... | 10/09/1990 |
| 4935122 | Mineral separator system A mineral separator system providing for the removal of conductor and semiconductor materials from a pulp fluid containing nonconducting materials. Pairs of spaced magnet assemblies provide alternate or successive magnetic fields obliquely across a separa... | 06/19/1990 |
| 4824560 | Separation of materials from a liquid dispersion by sedimentation Sedimentation classification of particulate material in liquid dispersion. The dispersion is centrifuged in a tubular vessel comprising at least two neighboring compartments communicating via at least one opening which may be capillary. The lowermost comp... | 04/25/1989 |
| 4772380 | Chute feeder for chip wringer A mixture of cooling liquids and solid pieces of waste from machine tools drop onto an inclined bottom wall of the upper, generally vertically disposed section of an inverted, generally Y-shaped feed chute. One of the two lower, diverging chute sections e... | 09/20/1988 |
| 4722791 | Methods for detackifying, floating, concentrating, separating and removing floating solid paint material The improved methods of the present invention function to detackify, float, substantially concentrate, separate, and remove such floating solid materials comprising paint solids from the surface of a volume of spray booth liquid, generally comprising wate... | 02/02/1988 |
| 4717470 | Method for classifying sand A method for classifying sand wherein a mixture of sand and water is introduced into a classification tank (7) partially filled with water. Depending on the weight of the sand grains, the grains of sand will precipitate at the bottom (8) of the tank (7) a... | 01/05/1988 |
| 4707249 | Sand classification tank In a sand classification tank for producing classified sand for concrete pouring purposes, i.e., sand containing predetermined fractions of sand grains of different sizes per unit of volume, a mixture of unclassified sand and water is introduced into a ta... | 11/17/1987 |
| 4659022 | Production of silicon carbide with automatic separation of a high grade fraction Method of producing silicon carbide and of automatically separating a high grade fraction thereof using magnetic separation techniques. In the method of the invention, a silicon source, a carbon source and a ferromagnetic element source are admixed and th... | 04/21/1987 |
| 4585557 | Apparatus for concentrating, separating and removing floating solid material The improved apparatus of the present invention functions to substantially concentrate, separate, and remove floating solid materials from the surface of a volume of liquid. In preferred embodiments, the apparatus functions in two stages. In the first sta... | 04/29/1986 |
| 4348231 | Method of recovering metal carbides Selected portions of metal carbide are recovered from scrap material containing pieces of cemented metal carbide having various compositions of metal carbide distributed in a matrix material. The scrap material is treated with a suitable liquid for a suff... | 09/07/1982 |
| 4342618 | Method and apparatus on-line monitoring of fibre length of mechanical pumps A method and an apparatus for determining the fibre length distribution by weight of a pulp and a method and apparatus for determining absolute consistency are disclosed. The fibre length distribution is obtained by dividing the flow of a pulp sample into... | 08/03/1982 |
| 4328093 | Device for separating granulated material from a fluid flow A device for separating and recovering solid particles or granulated matel from a stream of fluid in a state of high purity and with minimal fluid remaining in the recovered solids. The device also provides a calibration or sizing of the recovered solids... | 05/04/1982 |
| 4285808 | Truck mixer washout reclaim system A reclamation system for receiving unused mixed concrete ingredients and the washout water therewith includes an elongated, on grade gravity separation tank having an upper discharge end over an on grade grout receiving area, an inclined belt conveyor whi... | 08/25/1981 |
| 4230561 | Method and apparatus for separating clay from coal fines An apparatus for use in separating clay from coal fines comprising a hopper having a sloped rear wall, a baffle mounted to the hopper and extending downwardly, a conveyor positioned along the rear wall of the hopper, and an overflow port located in the si... | 10/28/1980 |
| 4224942 | Cell fractionating method A method for fractionating red blood cells by velocity sedimentation to remove those cells approaching lysis while at the same time maintaining the transfusability of the remaining cells.... | 09/30/1980 |
| 4038178 | Apparatus for controlling discharge of classified sand from a hydraulic classifier A hydraulic classifier for sand has a vessel of circular cross section about a vertical axis and tapers downward to an aperture in its bottom. A rotor is slowly rotated on a hollow shaft coaxially mounted in the vessel. It includes a hollow member conical... | 07/26/1977 |
