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| Number | Title | Issue Date |
| 7426946 | Pipe structure of a windshield washer fluid feeding device A pipe structure of a windshield washer fluid feeding device for a vehicle includes a refill pipe which is used for the feeding of windshield washer fluid into a windshield washer fluid reservoir tank and has a multiply-curved form ensuring a sufficient working spac... | 09/23/2008 |
| 7150290 | Unitary concrete pumping station for aqueous waste submersible pumping applications A unitary concrete structure pumping station useful in pumping waste fluids and the like during the passing of such materials from one part of a gravity flow waste system to another. This concrete structure is simple to install and use and many of the problems assoc... | 12/19/2006 |
| 7080662 | Rain recycling system A water recycling system and method of use is disclosed for use in a building having a basement with water seepage accumulating in a sump area by providing a holding tank which receives water pumped by a sump pump for later use either in the interior or exterior of ... | 07/25/2006 |
| 6796325 | Apparatus for stormwater retention and release, and method of use thereof Apparatus and a method are aimed at reducing flood risk from stormwater draining from a property (1). The apparatus is adapted in use to retain stormwater at the property (1) releasing it from the property and comprises a container (6) which in ... | 09/28/2004 |
| 6516830 | Device for guiding backwater produced in a paper machine Apparatus and process for guiding portions of backwater produced or stored at different levels of a machine. The apparatus includes an upper backwater chamber arranged to receive first backwater, a lower backwater chamber arranged below the upper backwate... | 02/11/2003 |
| 6035892 | Telescoping valve having improved seal A telescoping seal uses a split resilient gasket surrounding the slide pipe at the bottom of the tank. The gasket has a slanting outer side, mating with a slanting seat in a lower flange which is attached to the bottom of the tank. An upper flange compres... | 03/14/2000 |
| 6000425 | Automatic remote fluid level controller A device comprising a chamber (10) with a maximum fluid level (14) established by an internal drain pipe (62) directing excess fluid to a point of disposal (44) and an internal replenishment fluid supply valve (16) providing any additional fluid required ... | 12/14/1999 |
| 5954078 | Method and apparatus for handling liquid chemical waste A buffer tank and pre-wetting apparatus prevent a liquid chemical waste from crystalizing on the inside walls of a drain pipe that carries the waste to a waste tank. The pre-wetting apparatus includes a pre-wetting tank with an overflow pipe that leads to... | 09/21/1999 |
| 5921267 | Water level control device A water level control device including a cylindrical casing which has a bottom open end connected to a drain port of a water reservoir, a top open end, a plurality of longitudinally extended projecting rods spaced around its top open end, and a plurality ... | 07/13/1999 |
| 5593574 | Water treatment system particularly for use in aquaculture The invention relates to a water treatment system and more particularly to a fish tank and biofilter for use in a fish aquaculture. The fish tank has a double outlet system whereby solid waste particles are drawn continually into a central well by a trick... | 01/14/1997 |
| 5494084 | Inert gas fill nozzle and pressure relief valve A thin elongated metal tube of a diameter less than the diameter of a inlet aperture within the top of a fuel tank and opening upwardly therefrom has a closed lower end inserted within the aperture. The metal tube is supported by a radially enlarged colla... | 02/27/1996 |
| 5046529 | Potable water storage system A potable water storage system includes a water container having a top and a bottom, an inlet flow line passing through the container and having one end terminating near the bottom and an opposite end being connectable to a main supply of water, an outlet... | 09/10/1991 |
| 4700734 | Water collecting and spring box and gauging system and holding tank The present invention relates to water collecting and spring box and gauging system and water holding tank wherein the spring box is designed to receive and collect water from a source such as a spring. Once collected in the spring box, the water is filte... | 10/20/1987 |
| 4239956 | Electric steam humidifier A humidifier for use with a forced air heating system. The humidifier comprises a water reservoir in the form of a sealed container having a water inlet connection and suitable control means for maintaining the level of the water at a predetermined depth ... | 12/16/1980 |
| 4092746 | Swimming pool apparatus The disclosure relates to a swimming pool drain chamber which is positioned over an outlet of a swimming pool. The chamber includes sealing means for effecting a liquid seal adjacent the outlet. An upper portion of the chamber extends above the normal wat... | 06/06/1978 |
| 3933168 | Liquid closure device A liquid closure device for gas conduits includes a substantially vertically disposed gas inlet conduit extending into a container. A fluid inlet and fluid outlet having regulating valves are provided for the container. An efflux outlet means on the conta... | 01/20/1976 |
