Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4175035 | Method for increasing fine coal filtration efficiency Fine coals suspended in a coal flotation froth are more efficiently filtered when the flotation froth is subjected to a thickening operation prior to filtration. The thickening operation is accomplished by the use of a clarifier or thickener.... | 11/20/1979 |
| 4164467 | Coal washing plant employing a feed equalizer and a critically dimensioned deflector surface in the inlet pipes of a plurality of cyclones A single stage or multi-stage coal washing plant comprises a plurality of bunched cyclones supplied with raw crushed coal water slurry at high solids content and high velocity common from a tank through a distributor line that contains an equalizer for su... | 08/14/1979 |
| 4156649 | Dewatering ore concentrates with branched alkyl ethoxylated alcohol The present invention relates to the drainage or dewatering of ore concentrates and more particularly to an improved method for dewatering as by filtration, to produce solids which have a desirably low moisture content and which are readily and easily han... | 05/29/1979 |
| 4156642 | Process in the cleaning of seed, grain and similar goods, and a cleaning machine for carrying out the process The disclosure relates to a process and a cleaning machine for seed, grain and similar goods, in which the cleaning is realized by means of air circulated in an enclosed path by at least one fan, the air passing the grain adjacent the discharge opening of... | 05/29/1979 |
| 4154671 | Method and apparatus for recycling undelivered cement This invention describes apparatus and method for recycling undelivered cement left as residue in cement trucks. Undelivered cement at the end of the working day is deposited on a shaker screen under action of high pressure water jets which trap large agg... | 05/15/1979 |
| 4152252 | Purification of rutile Rutile which has been separated from ilmenite during a process for obtaining titanium metal values may be recovered in a more simple manner by effecting the water wash of the solid rutile at a pH above about 7.... | 05/01/1979 |
| 4144088 | Process of reclaiming used foundry sand Used foundry sand is reclaimed by crushing the sand and separating both metallic material and at least a portion of the unwanted non-metallic portion of the sand, then heating the sand to a temperature of about 1400° F. for burning off the foreign materi... | 03/13/1979 |
| 4135389 | Specific surface fractionator A method and apparatus for determining the fractional distribution of fibers by specific surface in a sample of mechanically treated pulp comprising: a hydrocyclone, at least two collecting chambers, a pump to feed pulp to said hydrocyclone, means to sele... | 01/23/1979 |
| 4133747 | Method for processing raw coal A method and apparatus for beneficiating crushed raw coal comprising: cleaning the crushed coal in bulk in cyclone separators using only water as a cleaning medium and obtaining a product of wet clean coal and wet reject material and also a stream of effl... | 01/09/1979 |
| 4125460 | Magnetic beneficiation of clays utilizing magnetic particulates A method for magnetically separating discoloring contaminants of low magnetic attractability from a crude kaolin clay containing said contaminants. A dispersed aqueous slurry of the clay is admixed with a finely divided magnetic particulate. The slurry is... | 11/14/1978 |
| 4121945 | Fly ash benificiation process A wet process is disclosed for the beneficiation of electrostatic fly ash to provide therefrom a series of products which have higher commercial value than the raw fly ash, including a carbon concentrate, cenospheres, an iron concentrate, an enhanced pozz... | 10/24/1978 |
| 4113832 | Process for the utilization of waste materials from electrolytic aluminum reduction systems A fully integrated process is provided for the recovery of valuable components from waste materials generated in electrolytic aluminum reduction systems. The waste materials, such as spent pot linings, channel and trench cleanings, floor sweepings and spe... | 09/12/1978 |
| 4107028 | Treatment of iron concentrate slurry to improve filtration An improved process for filter dewatering of an iron ore concentrate slurry produced from iron ore by selective flocculation followed by flotation wherein acid and then a surface tension reducing agent of the sulfosuccinate class is added to the concentra... | 08/15/1978 |
| 4098685 | Apparatus and method for separating lead battery materials Lead battery components such as metallic grids and paste are fed into a tumbling drum which has inlet and outlet ends and an intermediate region in which there are screens for the fine particles of paste to discharge to the exterior of the drum. Water is ... | 07/04/1978 |
| 4077847 | Solid waste disposal system There is provided a system for segregating through comminution and classification solid waste into ferrous metal, inorganic, and organic fractions. The inorganic fraction is further classified into aluminum and glass fractions. The organic fraction is fur... | 03/07/1978 |
| 4072539 | Method of cleaning raw ore A method of cleaning a raw ore product such as coal is disclosed wherein the ore product temperature is increased up to about 200°-212° F. before water is separated therefrom whereby the moisture content of the cleaned product is controlled. The ore pro... | 02/07/1978 |
| 4070274 | Coarse concentrated iron ore for catalytic purposes An iron ore concentrate is made having at least 60% -6 to +14 mesh and no more than about 1% -20 mesh, by a process preferably employing a small counterflow sizer on a product obtained from the concentrate of a spiral concentrator through which is process... | 01/24/1978 |
| 4059604 | Separation of mature okra seed into component fractions The present invention is directed to a method for separating mature okra seed into its essential basic components of oil, germ, kernel material and hull. The separation is obtained by cracking the seed in, or immersing previously cracked seed in a liquid ... | 11/22/1977 |
| 4043901 | Wood chip screens A drum screen for cleaning and classifying wood chips is mounted for rotation. The screen has apertures of varying size to permit cleaned chips to pass through to be deposited on conveyors located below. An internal annular spiral baffle extends the full ... | 08/23/1977 |
| 4040961 | Separation of solids from a liquid The invention is an apparatus and method for separating solid particles from a liquid, including both light particles which tend to flow on or close to the surface of the liquid and heavy particles which tend to sink to the bottom of the liquid. The appar... | 08/09/1977 |
| 4039425 | Method for preparing a coal slurry substantially depleted in mineral-rich particles A slurry of coal solids or similar carbonaceous material substantially depleted in mineral-rich particles is prepared for delivery to any desired place of use by introducing particulate coal and a suitable carrier liquid into a slurry preparation zone; pa... | 08/02/1977 |
| 4039433 | Process and apparatus for recovering metal from soil Metal contained within soil is separated therefrom by introducing the soil into a tank containing water which is quite turbulent, the turbulence being generated by the fact that the water is introduced into the tank in a swirl and also directly upwardly t... | 08/02/1977 |
| 4034861 | Process and installation for recovering usable materials from waste material containing metals and non metals A process and apparatus for recovering useable materials from discarded scrap material, such as junked automobiles, is disclosed in which non-ferrous metals are separated from non-metals in a hydrocyclone using water as the aqueous separating medium. A pa... | 07/12/1977 |
| 4023959 | Method for recovering vanadium from magnetite and forming a magnetite product low in sodium and silica Magnetite concentrate comprising essentially iron oxide as Fe3 O4, titanium dioxide and lesser amounts of vanadium and silicious materials is screened and treated with relatively small amounts of sodium to recover from 70 to 90% of t... | 05/17/1977 |
| 4022231 | Chip washer A chip washer which has its cylindrical upper part an upwards directed outlet pipe and an outlet channel for washed chips and in which the foreign materials separated from the chips sink into the funnel part attached to the upper part as its continuation,... | 05/10/1977 |
| 4022638 | Continuous recovery of base metal from insulated wire scrap A procedure and apparatus are shown for on a continuous, commercially practical basis recovering a non-ferrous base metal, such as copper or aluminum in the form of clean, bright metal pieces or bits and for enabling recovery of different non-ferrous coat... | 05/10/1977 |
| 4012316 | Solids classification device A device for hydraulically classifying solid fragments includes two side-by-side liquid-holding compartments between which liquid is continuously circulated; the liquid flows through a flow tube connecting the lower region of the first compartment with th... | 03/15/1977 |
| 4002488 | Cleaning, polishing, and drying nails by moving them through vibratory troughs A process and apparatus for producing nails in polished and clean form comprising means to carry out the steps of providing a continuous flow of nails from a source, subjecting the nails to a vibratory separating mechanism to remove unwanted particles of ... | 01/11/1977 |
| 3998604 | Demineralization of brown coal Demineralization of coal in which a slurry of the coal to be treated is ground in the presence of aqueous acid such as HCl H2 SO4 and H2 CO3 and then the slurry is subjected to froth flotation in the presence of... | 12/21/1976 |
| 3998396 | Scalping apparatus for a low profile two-roll crusher In a low profile crusher which has first and second cylindrical rolls journaled so that the rotational axis of the rolls are parallel and an input conveyor and an output conveyor is improved by journaling the first roll so that the distance from the axis ... | 12/21/1976 |
| 3997434 | Concrete reclamation system A no-discharge concrete reclamation system that eliminates all waste products and associated pollution. In addition to separating and washing sand and aggregate as provided in conventional systems, the invention provides for holding the water-cement slurr... | 12/14/1976 |
| 3997435 | Method for selecting hollow microspheres for use in laser fusion targets Hollow microspheres having thin and very uniform wall thickness are useful as containers for the deuterium and tritium gas mixture used as a fuel in laser fusion targets. Hollow microspheres are commercially available; however, in commercial lots only a v... | 12/14/1976 |
| 3992288 | Method of separating articles having different specific gravities Articles having a first specific gravity may be separated from articles having a second specific gravity by placing said articles in an environment having a specific gravity between the specific gravities of the articles to be separated and thereafter sub... | 11/16/1976 |
| 3990885 | Process for recovering hydrocarbons and heavy minerals from a tar sand hot water process waste stream A method for removing bitumen from mineral particles recovered from bituminous froth recovered as a product of aqueous extraction of tar sands which method comprises scrubbing the minerals with a liquid hydrocarbon solvent containing at least 10 weight pe... | 11/09/1976 |
| 3985645 | Scheelite flotation A process for the separation of scheelite from calcite present in an ore or a concentrate formed from an ore, which process includes the steps of decomposing any flotation agent residues contained in the concentrate, and treating the ore or concentrate to... | 10/12/1976 |
| 3974067 | Method for improving clay brightness utilizing magnetic separation A method for brightening a kaolin clay wherein an aqueous dispersion is initially formed of said clay, which dispersion is blunged and conditioned and the resultant slurry thereupon subjected to a froth flotation treatment to remove titaniferous impuritie... | 08/10/1976 |
| 3956108 | Anti-plugging device for automatic developability control systems An automatic developability control system is provided in the developer assembly of an electrostatic reproduction apparatus to sample toner particle developability. Upon an indication that replenishment of toner powder is necessitated, the control system ... | 05/11/1976 |
| 3944404 | Powder reclamation device for electrostatic powder coating systems Device for the powder reclamation, specifically in electrostatic powder coating systems comprising a dust filter with a partition installed in an enclosure in a fashion such that a suction chamber for the air-powder mixture, which can be connected with th... | 03/16/1976 |
