Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7367361 | Eductor apparatus An eductor assembly includes an inlet connectable to a high pressure water source useful in firefighting, an outlet connectable to a fire hose and/or nozzle, and a venturi therebetween. An additive inlet communicates with the venturi so that a chemical additive, suc... | 05/06/2008 |
| 7171980 | Springless regulator valve assembly A valve assembly and a regulator for use therein are disclosed. The valve assembly includes a valve poppet having a first end having a first face and a second end having a second face. The first face has a surface area smaller than the surface area of the second fac... | 02/06/2007 |
| 7152619 | Air tap assembly An air tap assembly includes a mounting seat, a connecting member, a stop member, and an end cap. Thus, the stop plate of the stop member prevents the air in the air cushion from leaking outward through the vent holes of the connecting member, so that the air tap as... | 12/26/2006 |
| 6974245 | Device for mixing a liquid fertilizer with a flow of water, for use by individuals The mixing device for liquid fertilizer with a flow of irrigation water, comprises a mixing head (1) provided with an internal mixing chamber (2) into which opens an internal water supply channel (3), adapted to be connected to a source (4 | 12/13/2005 |
| 6926030 | Apparatus for mixing two fluids or keeping them separate A mixing apparatus for mixing two fluids immediately following contact with each other is disclosed. The mixing apparatus includes a spring-loaded ball valve separating a first fluid from a second fluid. The ball valve closes as a result of at least spring force. Th... | 08/09/2005 |
| 6837263 | Liquid level control system A liquid level control system including a tank; a source of liquid in communication with the tank; a pressure fluid actuated valve for controlling the flow of liquid to the tank from the source; a pressure sensor disposed in the tank to monitor the hydrostatic press... | 01/04/2005 |
| 6783329 | Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump The invention provides a jet pump comprising a housing containing a nozzle into which an injected fluid is introduced, the housing also possessing a suction orifice, the pump comprising, upstream from the outlet of the nozzle, an auxiliary chamber associated with tw... | 08/31/2004 |
| 6776901 | Quiet flow control washer for water softener or the like A flow control includes a conduit and a flow control washer disposed in the conduit between the conduit's inlet and the outlet. A gas inlet passage opens into the conduit, preferably at a location just downstream of the flow control washer, to permit a gas (typicall... | 08/17/2004 |
| 6634376 | Back flow preventing eductor An anti-backflow eductor has a resilient sealing sleeve disposed on a water port defining blind end tube. The sleeve has a thinner wall cross section at a discharge end to enhance sealing while facilitating increased water flow. The ports in the blind end... | 10/21/2003 |
| 6604938 | Device for gas burners The invention relates to a device for gas burners, comprising at least two air nozzles 10, 11 for combustion air. The air nozzles 10, 11 are arranged in parallel. According to the invention, a flow restrictor 15 is assigned to one or more of the air nozzl... | 08/12/2003 |
| 6187186 | Device for introducing substances into water Described is a device for introducing substances into water. The device includes a housing (1) forming first and second chambers (7, 9) separated by a partition (8). Throughgoing housing openings (11, 12) are provided on either side of the partition to al... | 02/13/2001 |
| 6179226 | High pressure cleaning device having suds cleaning efficacy The present invention relates to a high pressure cleaning device having suds cleaning efficacy comprising a control body, containing a Venturi tube seat at the interior thereof, connected to the output of a pump, one side of the body being an inlet for th... | 01/30/2001 |
| 6176257 | Regulated air suction valve A regulated air suction valve, used in conjunction with a water pump with a water inlet pipe and a water outlet pipe and a container with an air volume, installed at the water inlet pipe for replenishing the air volume and comprising: a main body, having ... | 01/23/2001 |
| 6158471 | Mixing device for changing a fluid into another flowing fluid A mixing device is suggested for introducing a fluid into another flowing liquid, especially for use as an oil lubricator. This lubricator consists of an exterior venturi pipe 18 and an interior venturi pipe 16, whereby a feed line 13 ensures the supply o... | 12/12/2000 |
| 6131601 | Fluid mixing apparatus A reduced pressure shut off assembly for an eductor mixing system wherein a vacuum shut off valve is activated by reduced pressure in a reduced pressure line connected to a container for a concentrate. In a preferred embodiment, an eductor and the vacuum ... | 10/17/2000 |
| 6119717 | Fluid flow control apparatus A fluid flow control apparatus precisely controls a slight flow of fluid being mixed with a carrier gas. The apparatus includes a container for containing the fluid and a conduit for conducting the fluid, one portion of the conduit having a smaller diamet... | 09/19/2000 |
| 6098662 | Vacuum generator with incorporated check valve A longitudinally compact vacuum generator having an incorporated check valve. The generator includes a valve assembly housing having top and bottom portions. An exhaust housing is coupled to the top portion of the valve assembly and a venturi inlet port i... | 08/08/2000 |
| 6092547 | Double funnel float valve A combination valve and trap device is described for use in liquid supply and liquid disposal systems. Floats of various size, weight and shape are encased in cylindrical housings with inverse funnel inlets and outlets. The device functions as a valve, tr... | 07/25/2000 |
| 6027044 | Constant flowrate water saving valve and shower head using the same A constant flowrate water saving valve comprises a main valve body having a peripheral wall formed with a conical-shaped valve seat surface, a liquid inlet opening on a side of the inner diameter r1, a vent flow opening on a side of the inner d... | 02/22/2000 |
| 5927338 | Mixing eductor Disclosed is an improved mixing eductor (10) of the type wherein the primary liquid (17), e.g., water, is in a main stream (201) flowing in a downstream direction. A venturi tube (51) is in the eductor (10) and has an annular sharp edge (131) in the main ... | 07/27/1999 |
| 5896435 | Pressurized water supply device for a steam injector water source The injector (B) designed specifically to supply a steam generator (G) with water at high pressure when necessary, is supplied by steam that may originate from the generator itself, and by pressurized water from an ejector (C) supplied during the start up... | 04/20/1999 |
| 5799831 | Dual aspirator A foaming system 10 includes a dual aspirator 13. The dual aspirator 13 has first and second aspirators 80 and 81 to pick up a first and second chemical concentrate. The diluent first chemical mixture is drawn in through the first aspirator 80 and goes th... | 09/01/1998 |
| 5758825 | Washing machine adapted for automatically washing vehicles, etc. A washing machine including a first electromagnetic valve connected to a cleaning solution supply source, a supply pipe having a cleaning solution input port connected to the first electromagnetic valve to receive cleaning solution from the cleaning solut... | 06/02/1998 |
| 5758691 | Self-sealing mixing valve A self-sealing venturi type mixing valve for mixing a polymer with water as t is being dispensed. A hollow piston is slidably mounted in the valve body. Water flows through the piston and into a venturi tube causing the water flow to become turbulent. A ci... | 06/02/1998 |
| 5738135 | Dispensing apparatus with line pressure diverter A dispensing apparatus for dispensing a chemical product mixed with water is connected to a water supply through a line pressure diverter which relieves pressure in downstream of the water supply when the dispensing apparatus is not activated. Pressure is... | 04/14/1998 |
| 5669419 | Apparatus for the measurement and control of gas flow An electronic gas regulator is connected to a gas cylinder or other vessel to automatically measure and control the flow of gas to a desired application. Control and set up is accomplished through microprocessor based electronics, switches, sensors, encod... | 09/23/1997 |
| 5653251 | Vacuum actuated sheath valve A linear sheath valve having a valve platform and a conforming cover. The valve platform can have inlet and outlet channels to carry liquid into and out of the valve. An elastomeric membrane is held under tension between the cover and the valve platform s... | 08/05/1997 |
| 5628344 | Dry disconnect coupling including means for returning fluid residue to flow path A dry disconnect coupling connects the transfer hose from a fuel oil storage tank and the fill pipe of a tanker truck to form a continuous flow path between the storage tank and the tanker truck. The coupling includes an adapter, a coupler, and means for ... | 05/13/1997 |
| 5622203 | Hot water circulation apparatus with adjustable venturi A dual mode water circulation apparatus for installation in a water supply line in a building upstream of a water heater provides continuously heated water at one or more remote hot water faucets. The apparatus is connected in a water return loop that inc... | 04/22/1997 |
| 5538027 | Pressure balancing foam valve A pressure balancing foam valve includes a body having a liquid inlet at one end and a liquid outlet at an opposite end, and having an annular passage therethrough. A first stage pressure regulating assembly is disposed within the annular passage of the v... | 07/23/1996 |
| 5535770 | Ejector device A vacuum sewer system comprises a liquid-driven ejector, the working medium of which is fed to the ejector by a circulation pump from a sewage collecting container, the suction side of the ejector being connected via a check valve to a vacuum sewer networ... | 07/16/1996 |
| 5518022 | Aspirator water circulation apparatus A water circulation apparatus to provide instant hot water to faucets remote from the heater in residential and small commercial buildings when water is periodically used in the building. The apparatus comprises a body containing an aspirator and a check ... | 05/21/1996 |
| 5507436 | Method and apparatus for converting pressurized low continuous flow to high flow in pulses A device and method, especially adapted for operating sprinklers, shower heads etc. at low flow, converts low continuous liquid flow to a high intermittent and pulsating flow. The liquid is introduced at a controlled low rate of flow, such as by the use o... | 04/16/1996 |
| 5427151 | Pressure regulating chemical injector valve A chemical injector valve connected to a source of water under pressure harnesses the venturi effect to entrain liquid chemicals into a water stream and employs a variable size pressure chamber to ensure that the flow rate and quantity of chemicals entrai... | 06/27/1995 |
| 5331996 | Dual mode hot water circulation apparatus A dual mode water circulation apparatus to provide instantaneous hot water to faucets remote from the heater in residential or small commercial building water systems. The apparatus comprises a cold water heat exchanger, a high sensitivity check valve, an... | 07/26/1994 |
| 5306430 | Engine coolant pressure relief method and apparatus The method of removing hot liquid coolant from an internal combustion engine cooling system, which includes a radiator having a by-pass outlet, the method including applying suction to the by-pass outlet to draw a by-pass stream of hot fluid, including ho... | 04/26/1994 |
| 5301718 | Apparatus and process for metering a low pressure fluid into a high pressure fluid flow An apparatus for metering an accurate flow of a first fluid, at a low pressure and a low flow rate, into a conduit conducting a flow of a second fluid, at a much higher pressure and much greater flow rate, comprises a pressure reducer containing a nozzle ... | 04/12/1994 |
| 5291916 | Check valve A check valve which is positioned in the vacuum air line of an internal combustion engine. The check valve includes a single-piece valve body having an outlet port and two or more inlet ports, with one outlet port located substantially in line with the in... | 03/08/1994 |
| 5285808 | Diverting relief valve backflow Apparatus for diverting backflow includes a housing having first and second pressure openings for receiving fluid signals representative of first and second pressures. The housing has a gas inlet and a gas outlet and is formed with a gas transmission pass... | 02/15/1994 |
| 5269337 | Water control apparatus A water control apparatus having a main valve, a main valve control, and a step-wise valve. A moisture sensor is connected to the valve control. In response to the moisture sensor, the valve control opens or closes the main valve. When the main valve open... | 12/14/1993 |
