Class 4/227.7 - With a siphon

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the dispenser uses the suction created
No. of patents: 27
Last issue date: 09/27/2005

Number	Title	Issue Date
6948193	Lavatory cleanser dispensing device An improved lavatory cleanser dispensing device that is height-adjustable and capable of quantitatively dispensing cleanser is composed of a fixing member and a shell. The fixing member includes a hanging portion at a top side thereof to be hung on a toilet water ta...	09/27/2005
6748610	In-tank dispenser with flexible supported valve head A toilet tank cleanser dispenser has a receiving holster suitable to receive an inverted container of cleaning composition and suitable to dose liquid from the container. The adapter has an internal dosing shuttle for metering an aliquot of cleanser through an openi...	06/15/2004
6647558	Dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls A dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls, including a container, which is provided at an end thereof with a tray element having at least one cavity in continuous communication with the container; the cavity is...	11/18/2003
6526599	Passive dispenser fordosing and issuing a predetermined amount of dispensable liquid A dispenser for dispensing metered amount of liquid into a toilet cistern, comprising a basin adapted to receive a metered amount of dispensable liquid received from a container via a discharge spout. An airlock prevents further discharge of liquid above ...	03/04/2003
6119281	Devices for metering fluids in response to level changes The invention concerns a device for delivering a calibrated volume of a first liquid in relation to the filling or the draining of a main container with a second liquid, characterized in that it comprises: said main container containing said second liquid and ...	09/19/2000
6101639	Device for dispensing toilet bowl cleaning agent A device for disolving a solid toilet bowl cleaning agent is composed of a shell body and a fastening member. The shell body is provided therein with a cell for holding the solid toilet bowl cleaning agent, and in the wall thereof with a plurality of wate...	08/15/2000
5317762	Automatic toilet cleaner device An automatic toilet cleaner container including a lateral opening and an opening at its upper end, is adapted for releasing an active-substance concentrate only during flushing. A float is included for free floating of the toilet cleaner as a whole with t...	06/07/1994
4823410	Dispensers A dispenser comprises a body having a storage chamber to substantially retain a selected dispensable material, a dilution chamber in communication with the storage chamber, the communication being such that fluid flow from the storage chamber to the dilut...	04/25/1989
4745638	Passive dispenser having delayed discharge The dispenser of the present invention is adapted for placement in a body of liquid, a solution being contained in a vented product chamber of the dispenser, a predetermined volume of said solution being discharged into the body of liquid in response to a...	05/24/1988
4709424	Automatic toilet bowl cleaner device A toilet bowl cleaner device for automatically dispensing a cleaning solution, for example, bleach or blue/detergent into the flush water of a toilet tank; the container includes a chamber for holding a cake of the cleaning material. An interrupted siphon...	12/01/1987
4707866	Device for adding disinfectants or the like to the flushing water of a WC Means for adding disinfectant or the like to the flushing water of a WC comprise two layers, one of which is deep drawn to form a chamber. The other layer seals the chamber. The layer sealing off the chamber comprises a water-resistant material and is pro...	11/24/1987
4597941	Toilet cleaning article and method for codispensing disinfectant and dye having resistance to spectral degradation An article and method for disinfecting a toilet bowl and providing the bowl water with a blue tint or hue, which tint or hue resists oxidation by the disinfecting agent. The article comprises a first product chamber containing a first cleaning composition...	07/01/1986
4507812	Dispenser for a toilet A dispenser for disinfectant, cleaning agent, coloring agent, deodorant, perfuming agent or the like adapted to be positioned in a toilet tank is formed by thermoforming from synthetic resin foil with a base having cells at least one of which is divided b...	04/02/1985
4485500	Gas binding resistant chemical dispenser A novel chemical dispenser for dispensing a predetermined volume of a chemical solution into a body of liquid, such as water in a toilet tank, in response to a change in the level of that liquid comprises (1) a container which holds the solid chemicals to...	12/04/1984
4480341	Passive dispenser A passive dispenser adapted for placement in a body of liquid for codispensing a first solution and a second solution in response to a lowering of the level of the body of liquid from a first elevation to a second elevation, the dispenser comprising a fir...	11/06/1984
4480342	Passive dispenser The present invention provides a passive dispenser having dual sections for use in a toilet tank in which a disinfectant solution to be dispensed is stored in one section and substantially isolated from the water in the toilet tank, the section comprising...	11/06/1984
4459710	Passive dispenser A passive dispenser adapted for placement in a body of liquid for dispensing materials, such as toilet tank additives, e.g., disinfectants, detergents, dyes, fragrances, and the like, in solution form from the dispenser in response to a lowering of the he...	07/17/1984
4453278	Chemical dispenser A novel chemical dispenser for dispensing a predetermined volume of a chemical solution into a body of liquid, such as water in a toilet tank, in response to a change in the level of the liquid comprises a container which holds the solid chemicals to be d...	06/12/1984
4438534	Passive dispenser A passive dispenser for codispensing a predetermined volume of a first and a second solution into a body of liquid in response to a decrease in the level of said body of liquid comprising a first product chamber having a vent conduit and a refill/discharg...	03/27/1984
4434136	Tapered-bottom bleach cake for sanitation dosing dispenser A tapered-bottom bleach cake for a sanitation dosing dispenser provides more even delivery of bleach sanitizer in automatic sanitization of flush toilet and thereby reduces bleach waste....	02/28/1984
4318891	Automatic toilet bowl cleaner A toilet bowl cleaner containing a water soluble disinfectant, comprising a round container and a closure mountable there over, the closure being encircled by two rows of apertures and provided with a cylinder, of a smaller diameter than the container, ex...	03/09/1982
4307474	Passive dosing dispenser exhibiting improved resistance to clogging A passive dosing dispenser for issuing, for example, a predetermined volume of a liquid toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing. A preferred dispenser comprises an internal reservoir...	12/29/1981
4305162	Passive dosing dispenser employing captive air bubble to provide product isolation A passive dosing dispenser for issuing, for example, a volume of a toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing. A preferred dispenser comprises a product chamber for containing a quantit...	12/15/1981
4216027	Method and apparatus for cleansing and disinfecting a flushing toilet Method and apparatus for cleansing and disinfecting a flushing toilet comprising a toilet tank and a toilet bowl by treating the water discharged from the toilet tank each time the toilet is flushed. First and second passive dispensing apparatus for immer...	08/05/1980
4208747	Passive dosing dispenser employing trapped air bubble to provide air-lock A passive dosing dispenser for issuing, for example, a predetermined volume of a toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing. A preferred dispenser comprises a product chamber for contai...	06/24/1980
4186856	Self-priming passive dosing dispenser A self-priming passive dosing dispenser for issuing, beginning with the first flush, a quantity of a toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing. A preferred dispenser comprises a reserv...	02/05/1980
4171546	Passive dosing dispenser A passive dosing dispenser for issuing, for example, a predetermined volume of a toilet tank additive solution into a toilet tank as the water is draining therefrom while the toilet is flushing. A preferred dispenser comprises a reservoir for containing a...	10/23/1979

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Class 4/227.7 - With a siphon