"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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 |
| 7056422 | Batch thermolytic distillation of carbonaceous material A distillation system is provided for batch thermolytic distillation of lump carbonaceous material, such as lump wood and shredded rubber tires. The system preferably includes multiple distillation units mounted side-by-side. Each unit includes a reactor bath for ho... | 06/06/2006 |
| 7048898 | Apparatus for preparing a fluid for a medical procedure The invention provides an apparatus for preparing a fluid for a medical procedure by mixing of at least one medicament in the form of powder with water, the medicament is held in a vessel which defines a bottom, a side wall, and a top opening which is closed by an m... | 05/23/2006 |
| 6968969 | Meter box lid with snap fit passage The lid is used to cover a utility box which houses a meter such as a water meter. The lid is compression molded from a plastic material such as medium density polyethylene, and has a planar upper surface and a planar lower surface. In one embodiment, a plurality of... | 11/29/2005 |
| 6866832 | Method and apparatus for sanitizing perishable goods in enclosed conduits The invention is directed to a method and apparatus for sanitizing perishable goods by mixing the goods with sanitizing fluid for a suitable period of time followed by separating the fluid and substantially neutralizing any residual sanitizing agent left in the good... | 03/15/2005 |
| 6270736 | Identity preserved oilseed mill A method for processing two or more oilseeds includes the steps of providing a first oilseed type and a second oilseed type, processing the first oilseed type to extract a first oilseed product from the first oilseed type, creating a gap in the flow of th... | 08/07/2001 |
| 6193805 | Diffuser A diffusion apparatus for extraction of sugar from sugar cane has a vertically-diposed annular extracting compartment including a revolving screen deck contained within a fixed inner shell and a fixed outer shell. The revolving screen is supported on roll... | 02/27/2001 |
| 6051110 | Thermolytic distillation of carbonaceous material In apparatus for thermolytic distillation of lump carbonaceous material, an enclosure contains a degassing bath, a reactor bath and a quenching bath. A closed loop continuous chain conveyor drives a plurality of baskets carrying carbonaceous material thro... | 04/18/2000 |
| 5916533 | Apparatus and method for the controlled application of soluble chemicals to a body of water A dispensing container for the controlled dispensing of chemicals in the treatment of a body of water to prevent growth of algae and other adverse conditions includes walls defining a storage compartment for the chemicals for treating the body of water, t... | 06/29/1999 |
| 5891433 | Extracting soluble substances from subdivided solids with a water-base liquid extraction medium Small particles and fines included along with larger subdivided solids are treated with water base liquid extraction medium to extract soluble solids therein in a process using milli-screens with milli-sized openings of less than about 0.095 inches across... | 04/06/1999 |
| 5770082 | Self-purging extractor An improved longitudinal extractor utilizing a solvent for removing an entrained liquid from a carrier medium. The improved extractor includes a sprocket driven continuous chain-link conveyor mounted both in cooperation with an upper carrier medium chambe... | 06/23/1998 |
| 5746987 | Apparatus for physical amd chemical separation and reaction The present invention is an apparatus for separating volatile from nonvolatile substances, separation of volatile substances, one from the other, and for performing various chemical reactions. In particular, an apparatus which performs these functions uti... | 05/05/1998 |
| 5705133 | Stationary screen extractor An improved rotating basket extractor is provided having improved discharge means comprising a hopper section having a solid material entry and solid material exit end. The cross sectional area of the solid material entry end is smaller than the exit end ... | 01/06/1998 |
| 5700464 | Process for extracting with liquids soluble substances from subdivided solids Small particles and fines included along with larger subdivided solids are treated with liquid to extract soluble solids therein in a process using milli-screens with milli-sized openings of less than about 0.095 inches across. The milli-screen openings m... | 12/23/1997 |
| 5628969 | Chemical separation and reaction apparatus The present invention is an apparatus for use in the separation of volatile from non-volatile substances, separation of volatile substances, one from the other, and for performing various chemical reactions and, in particular, to an apparatus which perfor... | 05/13/1997 |
| 5591416 | Stationary screen extractor An improved rotating basket extractor is provided having improved discharge means comprising a hopper section having a solid material entry and solid material exit end. The cross sectional area of the solid material entry end is smaller than the exit end ... | 01/07/1997 |
| 5569331 | Method and apparatus for recycling oil-soaked boom and pads A method and apparatus are provided for removing oil from absorbent materials of the type used in components for absorbing oil and containing oil spills. The components are first passed through a press to squeeze some of the oil from the components. The c... | 10/29/1996 |
| 5470544 | System for steam-reforming of liquid or slurry feed material An apparatus for treating liquid or slurry having a heat treating zone through which is provided counter current flow of heated gas and independently moveable bodies through the heat treating zone in contact with a feed stream. A steam reforming detoxific... | 11/28/1995 |
| 5456893 | Apparatus for extracting with liquids soluble substances from subdivided solids Small particles and fines included along with larger subdivided solids are treated with liquid to extract soluble solids therein in an apparatus and process using milli-screens with milli-sized openings of less than about 0.095 inches across. The milli-sc... | 10/10/1995 |
| 5439653 | Apparatus for liquifying substances An apparatus for liquifying a substance embodied in a substantially amorphous mass in a substantially continuous operation, the apparatus having a housing for feeding the substance to a delivery position; a system for supplying liquid to a liquifying stat... | 08/08/1995 |
| 5408924 | Apparatus for the extraction of edible oils Apparatus for extraction of edible oils from finely divided oleagenous vegetable matter by flowing solvent vapor through a continuously moving horizontal bed of the vegetable matter at a temperature not greater than about 210° F., to form a miscella of s... | 04/25/1995 |
| 5344619 | Apparatus for dissolving dry polymer An apparatus for dissolving dry polymer particles in water consisting of a bin which contains the powdered polymer, a feeding means for the delivery of the polymer to a vortex chamber, a feed line for the delivery of water into the vortex chamber, an educ... | 09/06/1994 |
| 4956125 | Method for extracting fats and oils Edible fats and oils are extracted from oil-bearing materials by loading the raw materials onto an inlet end of a flat and fixed conveying surface having elongate slits therein. The materials are conveyed from the inlet end to the outlet end of the convey... | 09/11/1990 |
| 4857279 | Apparatus for extracting fats and oils Edible fats and oils are extracted from oil-bearing materials by loading the raw materials onto an inlet end of a flat and fixed conveying surface having elongate slits therein. The materials are conveyed from the inlet end to the outlet end of the convey... | 08/15/1989 |
| 4751060 | Extractor The present invention is an improved extractor (10) for removing a liquid from a solid carrier medium in which the liquid is entrained. The extraction process is accomplished by utilizing both percolation and immersion removal methods. The extractor (10) ... | 06/14/1988 |
| 4683029 | Circular solvent extractor A circular solvent extractor useful in a commercial process for the removal of bitumen from tar or oil sands or other solvent extraction processes requiring high tonnage throughput. The extractor comprises two major segments that are stationary, namely, a... | 07/28/1987 |
| 4636362 | Apparatus for the continuous treatment of fragmented fuel elements Apparatus for treating radioactive comminuted fuel elements with hot nitric acid comprising an endless conveyor which carries the fuel fragments through a U-shaped jacketed tube counter to the flow of acid. The conveyor travels in a conduit which connects... | 01/13/1987 |
| 4603033 | Salt harvester for harvesting salt in elongated solar salt crystallizer An improved harvester for harvesting a salt crop from the bottom of a shallow, elongated solar crystallizer containing a substantially saturated salt solution overlying the salt crop. The harvester includes track means extending longitudinally along the s... | 07/29/1986 |
| 4422901 | Apparatus for the continuous solvent extraction of bitumen from oil-bearing sand In a continuous process for the extraction of crude refinery stock from oil-bearing sand, miscella produced earlier in the process is returned and mixed with oil-bearing sand to provide a feed slurry which, after heating, is separated into two streams, on... | 12/27/1983 |
| 4376052 | Fluid manifold assembly for solvent extractor There is disclosed a manifold assembly for a rotary solvent extractor formed of an elongated fluid distribution trough or conduit divided into a plurality of fluid distribution subsections by intermediate gate members wherein each fluid distribution subse... | 03/08/1983 |
| 4324764 | Apparatus for continuous leaching of ores A process for the continuous leaching of ores and an apparatus for practising this continuous leaching process are disclosed. According to this process, a plurality of unit layers composed of a pulverized uranium ore or other ore are continuously laminate... | 04/13/1982 |
| 4312836 | Apparatus for the continuous treatment of the compounds in a corrosive liquid Apparatus for treating the compounds in a corrosive liquid comprising a fixed tank in which the liquid is placed, a horizontally axed rotary support which peripherally carries at least one bucket for receiving the compound to be treated, means for introdu... | 01/26/1982 |
| 4297324 | Apparatus for the continuous processing of compounds in a liquid Apparatus for processing compounds in a liquid, wherein it is constituted by a helical vibrating elevator having a tank with a vertical axis, a fixed cover, an annular helical ramp fixed to the tank wall, means for imparting a reciprocating movement about... | 10/27/1981 |
| 4272477 | Apparatus for preparation of solutions of solid samples for wet chemical analysis Apparatus for preparing solutions of solid samples for wet chemical analysis comprising an overflow dissolving vessel divided by an overflow baffle into at least two chambers, means for maintaining a constant stream of solvent flowing successivefully thro... | 06/09/1981 |
| 4221764 | Horizontal extractor Horizontal basket extractors with a continuous conveyor with spaced baskets or cells are arranged with traveling splitters movable along the top and/or bottom runs of the conveyor synchronously with the baskets arranged to divert a continuous flow of soli... | 09/09/1980 |
| 4213941 | Solvent immersion extractor The immersion extractor is designed for use with a solid material containing an extractable component and includes a plurality of adjacent chambers each formed to contain a liquid solvent bath for extracting the component from the material and a continuou... | 07/22/1980 |
| 4211752 | Hinged load dumping door for multi-cell extractors A multi-cell apparatus for the solvent extraction of oils or juices from divided organic material and like operations wherein a circular series of open top cells is radially disposed for rotation about a vertical axis with a bottom door hinged to the lowe... | 07/08/1980 |
| 3994420 | Tablet dispensing mechanism A vertical stack of tablets is disposed in a tubular container extending upwardly from an opening in the top wall of a housing. The tablets are dropped one-by-one in front of a reciprocable pusher, which is driven by a rotary impeller and is effective to ... | 11/30/1976 |
| 3968013 | System for cleaning work pieces with solvent Apparatus adapted for cleaning or degreasing work pieces by contacting with an organic degreasing agent such as a halogenated hydrocarbon. The work pieces are moved in and out of contact with the degreasing agent and are supported on an array of substanti... | 07/06/1976 |
| 3951749 | Tar sand processing apparatus Apparatus for processing tar sands to recover bitumen therefrom, and without the use of heat of steam, such apparatus including a processing tank having a concave, upwardly facing bottom constructed for receiving the upper flight of an endless conveyor th... | 04/20/1976 |