Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7311828 | Wall mount for water treatment system A wall mount for attaching water treatment system to a wall plate consists of a platform and a vertical portion. The water treatment system rests on the platform. The water treatment systems extend through the back of the wall mount and extend through passages in th... | 12/25/2007 |
| 7172699 | Energy efficient wastewater treatment for nitrogen and phosphorus removal In a wastewater treatment plant, the liquid side of the plant has preferably four stages for nitrification and/or denitrification, prior to further treatment such as a clarifier. Energy requirements are reduced by reducing aeration requirements. Four or more tanks/z... | 02/06/2007 |
| 7143690 | Screw compressor for compressing wet matter and a method for compressing and washing The invention relates to a screw compressor for compressing matter that passes through the screw compressor. The screw compressor comprises a screw having an outer thread with a pitch that decreases in the longitudinal direction of the screw, and a casing that encas... | 12/05/2006 |
| 7021089 | Laundry appliance A laundry appliance such as a washing machine includes an outer housing and a drum rotatably mounted therein. The drum has an inner wall and an outer wall separate from the inner wall, the inner and outer walls being perforated to allow washing liquid to flow into a... | 04/04/2006 |
| 7014781 | Methods and articles for maintaining hydantoinylated polymers in a biocidally active state A composition and the method for sustaining the biocidal activity of chlorinated polystyrene hydantoin beads. The method comprises supplying a continuous low level halogen concentration to the chlorinated polystyrene hydantoin beads in the water to be treated that f... | 03/21/2006 |
| 6913132 | Variable-capacity store for elongated elements A variable-capacity store (1; 50) for elongated elements (2), in particular tobacco articles, wherein an endless conveyor (8) has a conveying branch (9) for transferring the elongated elements (2) from an input station (3) t... | 07/05/2005 |
| 6143170 | Oil recovery system A portable system for recovering oil-based fluids from sorbent articles containing oil-based fluids, the system including a motor vehicle and a self-balancing centrifuge having a housing and a foraminous rotatable basket removably attached to a spindle in... | 11/07/2000 |
| 6117314 | Apparatus for removing metal compounds from waste material A method for removing metal compounds from waste water comprising the steps of adjusting the pH of the water to from 5 to 12 and preferable 6 to 9; aerating the waste water; adding a flocculating agent to the water and allowing floccules including metal c... | 09/12/2000 |
| 5733446 | Centrifuge with annular filter A method and a device for separating a component, such as fibrin I from blood, by centrifugation. The method involves feeding of blood admixed an anticlotter to a first annular chamber in a device, where the annular chamber is defined by a cylindrical out... | 03/31/1998 |
| 5688399 | Means for separation and removal of impurities from liquids A mechanism for converting impurities or contaminants in a fluid to a non-hazardous or less hazardous condition by raising the fluid to a supercritical state. This is accomplished by a rotatable mechanism having a reaction chamber adapted to receive the f... | 11/18/1997 |
| 5637231 | Method and apparatus for using ozone in a pressure vessel to treat stream of pollutants A photocatalytic oxidation and ozone catalyst system utilizes ultraviolet light and ozone in the treatment of waste and wastewater to destroy pathogens and to break down most hydrocarbons and other chemicals into non-hazardous forms. The wastewater enters... | 06/10/1997 |
| 5552044 | Apparatus for separating solid material and liquid Apparatus for separating waste liquid and solid material comprises an upwardly inclined passage containing an auger for conveying the solid waste material upwardly along the passage, with an inlet opening at a lower end of the passage for receiving a mixt... | 09/03/1996 |
| 5296136 | Apparatus for separating liquids and solids comprising screens and augers Apparatus for separating solids and liquids has an initial separator for removing coarse solid material from a mixture of solids and liquids, a first screen for separating further solid material from the liquid and a first auger extending axially through ... | 03/22/1994 |
| 5206169 | Animal carcass compost crib A compost crib is provided for the on-site disposal of animal carcasses accumulated during commercial operations, in which passive solar energy is utilized to assist in the decomposition process. Aerobic, thermophilic bacteria multiply in the sunlight, so... | 04/27/1993 |
| 5151176 | Filter for continuous filtration A filter for continuous filtration of a liquid includes conventionally a vessel having a center shaft on which is arranged at least one rotating filter element defining an inner space for liquid obtained at filtration. Further there is provided a washing ... | 09/29/1992 |
| 5149424 | Centrifuge apparatus for residual liquid waste removal from recyclable container material The present invention is a centrifuge device which separates chips or shreds of containers from whatever liquid residue remains within the containers. The device is suitable for many applications, including the separation of the recyclable plastic of a mo... | 09/22/1992 |
| 5143602 | Apparatus for the separation of solids from fluids or sediments from emulsions There is described devices and a process for the separation of solids from a fluid. The devices contain a cylinder drum, the casing of which has at least one, and preferably two openings which are positioned diametrically opposite to one another. The cyli... | 09/01/1992 |
| 5116423 | Apparatus for washing pulp The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface to form a substantially continuous layer; and washing liquid is supplied to the pulp ... | 05/26/1992 |
| 5110461 | Apparatus for separating liquids and solids Apparatus for separating liquids and solids, comprising, separator screen means for receiving and separating the solids and liquids, conveyor means for feeding the separated solids upwardly from the separator screen means, and compactor means for compacti... | 05/05/1992 |
| 4919158 | Method and apparatus for washing pulp The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface (2) to form a substantially continuous layer (7); and washing liquid is supplied to t... | 04/24/1990 |
| 4839352 | N-acyl derivatives of thienamycin Disclosed are N-acyl derivatives of the antibiotic thienamycin having the following structural formula: ##STR1## wherein R1 and R2 are independently selected from the group consisting of hydrogen and acyl. Such derivatives and t... | 06/13/1989 |
| 4522716 | Shower pipes for rotary drum filter A shower pipe for a rotary drum filter has a square cross-sectional shape defined by top, bottom and side walls. The sidewalls and a pair of lengthwise-extending continuous diffusion flanges depending from the bottom wall of the pipe stiffen the pipe agai... | 06/11/1985 |
| 4477358 | Pressure/belt filter, particularly for dewatering fine coal A method and mechanism for dewatering fine coal or the like by a filtering operation including a horizontally disposed cylindrical housing defining a pressure chamber within, an intermittently movable filter belt wrapping support rolls for the belt at eac... | 10/16/1984 |
| 4144167 | Sewage treatment system A system including an evacuator apparatus, an especially configured centrifugal mill, and a self cleaning screen is employed for treatment of aqueous sewage. The system expedites satisfaction of the biochemical oxygen demand and separates the solids from ... | 03/13/1979 |
