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| Number | Title | Issue Date |
| 8104499 | Precision siphon operated septic field dosing system with filtration and backwash A septic field dosing system is described which utilizes a self starting true siphon to deliver a dose of septic tank effluent into a conventional septic field. The precision siphon unit not only eliminates the need for electrical services to the septic tank, thereb... | 01/31/2012 |
| 7309472 | Sterilization apparatus for orthodontic bands A sterilization system for dental and orthodontic tools is provided with a transport rack dimensionally sized to hold a plurality interchangeable cassettes. The interchangeable cassettes are designed and intended to hold kits of dental or orthodontic tools and are p... | 12/18/2007 |
| 6978493 | Pool cover drain A pool cover drain substantially completely drains collected rainwater without use of pumps or electrical hookups. The pool cover drain is non-centrally located in a pool cover. It is attached to a flexible hose that directs the water to a swimming pool sidewall dra... | 12/27/2005 |
| 6532984 | Constant flow liquid supplier A constant flow liquid supplier includes a body having a cavity defined to contain liquid. An inlet assembly floats on the liquid surface and selectively opens the inlet of the constant flow liquid supplier. An outlet assembly floats on the liquid surface... | 03/18/2003 |
| 6178984 | Self-priming siphon, in particular for irrigation A self-priming siphon has an inverted U-shaped tube filled with a hydrophilic material where one end of the tube is connected to a smaller diameter tube such that when the other end of the tube is immersed in a liquid, capillary action causes the fluid to... | 01/30/2001 |
| 5661855 | Reservoir fill valve control for toilet storage tanks A fill valve control system for toilet storage tanks, for preventing continued flow from a water supply thereto as a result of a flush valve leak or a tank leak, wherein the fill valve is responsive to a water level in a separate reservoir filled by a ful... | 09/02/1997 |
| 5626162 | Water control gauge The water control gauge is a cylindrical reservoir for collecting water from rain, sprinklers and other airborne sources. The reservoir has a float measurer to measure the level of water collected in the reservoir. A pulley having a float detects the wate... | 05/06/1997 |
| 5482067 | Instrument cleaning cassette with guided double hinge A cassette for retaining medical, dental and veterinary instruments during fluid-carried ultrasonic vibration cleaning comprising generally rectangular, registered top and bottom interiorly open solid frames formed of synthetic organic plastic material ha... | 01/09/1996 |
| 5364034 | Controlled low volume irrigation system The low flow irrigation system can be used for batch or continuous time-dependent watering. It takes the form of a reservoir tank with a screen basket which filters out large particles from the water coming into the system. A float valve shuts off and tur... | 11/15/1994 |
| 5343888 | Automatic syphon system A level activated syphon system which automatically begins drainage of a liquid such as water from an accumulation area such a swimming pool cover or flat roof when the accumulation of water reaches a preset level is disclosed. The system requires no outs... | 09/06/1994 |
| 5293894 | Automatic prime and flush siphon condensate pump system An automatic prime and flush siphon condensate pump system (100) is provided for displacing condensate water accumulated from an air conditioning evaporator to a drain, such as the drain of a basin (50). Initially, the pump assembly (2) displaces the cond... | 03/15/1994 |
| 5273067 | Liquid dosing apparatus A liquid dosing apparatus comprises a tank (8) to be repeatedly filled with liquid to an upper level; a float (24) adapted to rise in the tank concurrently with the filling thereof and, each time the upper level has been reached, to be wholly or partly fi... | 12/28/1993 |
| 5113889 | Floating intake for transport of liquid from a fixed depth below the surface of a reservoir Water is supplied from a preselected depth in a body of water by an intake held at the preselected depth by a stem connected to a float which rides near the surface of the water. The stem is weighted to maintain a desired orientation of the device in the ... | 05/19/1992 |
| 4651767 | Conveyor dewatering system A conveyor belt dewatering system in which a siphon tube or pipe is vertically moveable on a tubular support whereby selectively its inlet is lowered into a conveyor belt. Counterweights counter the weight of the siphon tube, these weights being positione... | 03/24/1987 |
| 4479274 | Swimming pool siphon A swimming pool siphon for draining above the ground swimming pools. The siphon is comprised of a generally U-shaped tubular construction having two legs connected by a top bight portion restable upon a top edge of the side wall of the swimming pool. The ... | 10/30/1984 |
| 4471798 | Flushing cisterns An auxiliary float chamber is provided for use in a cistern. A float operating in the chamber controls a valve allowing water into the cistern. In the floor of the chamber there is a syphonic tube. The chamber is held to the cistern wall by means of the v... | 09/18/1984 |
| 4406300 | Roof siphon drain Apparatus for siphoning liquid such as water which accumulates in a ponding area (16) located on a flat roof (12) to a drain (14) is disclosed. The apparatus includes a first liquid conduit (21) which has one end (58) in the accumulated water and a second... | 09/27/1983 |
| 4342328 | Two stage float valve A normally-open two stage float valve for use with a suction tube leading om a vehicle fuel tank. As the fuel tank begins to run dry it is desired that the float valve close off the tank to the suction force. The valve of this invention includes a float-o... | 08/03/1982 |
| 4318421 | Float controlled syphon valve for swimming pool cover A float controlled valve syphons water out of a swimming pool cover. The syphon valve includes co-operable male and female valve members disposed for mutually relative movement to bring them into and out of mutual engagement to thereby close and open flow... | 03/09/1982 |
| 4168717 | Temperature actuated siphon system A siphon system in which an enclosed container has a chamber for heating a gaseous fluid as by solar radiation. The chamber is in continuous open communication with a siphon having an inlet at an upper level and an outlet at a lower level. A pressure resp... | 09/25/1979 |
| 4099527 | Parenteral fluid administration sets A parenteral fluid administration set characterized by a floating siphon operating within a deformable-reformable, plastic-walled, generally cylindrical flow regulator having a normally open-ended overflow tube extending uprightly therein from its bottom ... | 07/11/1978 |
| 4010750 | Parenteral fluid administration sets A parenteral fluid administration set comprising a container having therein a supply of a fluid to be administered intravenously and being characterized by a floating siphon operative to flow fluid from said container supply thereof at a predetermined rat... | 03/08/1977 |
| 4000738 | Parenteral fluid administration set (plastic-bag type) A parenteral fluid administration set comprising a plastic bag adapted to be supplied with a predetermined quantity of the parenteral fluid, said bag being foldable over on itself about a transverse fold-over line, a floating siphon enclosed within the pl... | 01/04/1977 |
| 3949745 | Parenteral fluid administration set A device for administering parenteral fluids intravenously at a uniform rate achieved by a floating siphon-type flow regulating means.... | 04/13/1976 |
