| Patent Number |
Title Of Patent |
Date Issued |
| D476057 |
Dispenser and chemical cartridge combination |
June 17, 2003 |
|
| D309938 |
Flush valve for toilets |
August 14, 1990 |
|
| D296292 |
Separable box wrench |
June 21, 1988 |
|
| 7029216 |
Torque-limiting locknut |
April 18, 2006 |
| The locknut is adapted for axial engagement of a threaded shaft having an axis and an outer thread. The locknut has properties for limiting a tightening torque on the shaft to a predetermined torque value. In one aspect, a first member is adapted for engagement by a user and rotation |
| 6908123 |
Bayonet quick coupler |
June 21, 2005 |
| A quick coupler formed of two identical sectors that snap lock together in a radially inward direction relative to a central axis of an annular hole passing through the coupler. The coupler is in the form of a nut or housing for surrounding the ends of two conduits that are to be coupled |
| 6719294 |
Bathroom fixture gasket apparatus and method |
April 13, 2004 |
| A gasket assembly includes an upper housing forming a seal with the outlet of a bathroom fixture, and a lower housing forming a seal with a sewer pipe. The lower housing has an outer surface extending along an axis and a toroidal gasket disposed in sealing relationship with the outer sur |
| 6662379 |
Toilet cleaning dispenser system with removable cartridge |
December 16, 2003 |
| A toilet cleaning dispenser system adapted for placement in a toilet tank includes a hanger, a dispenser housing and a cartridge device removably coupled to the dispenser housing. The cartridge device, which includes a cleanser tablet enclosed within a cartridge housing, is inserted into |
| 6615863 |
Toilet fill valve tank isolation |
September 9, 2003 |
| A toilet fill valve (16) includes a fill tube (21) which is mounted through a hole (14) in a toilet tank wall (12), having isolating means for isolating the fill tube (21) from direct contact with the toilet tank wall (12), as well as isolating water-borne noise and vibration in the fill |
| 6604249 |
Advanced dual-flush valve |
August 12, 2003 |
| A flush valve is adapted to be mounted in the tank of a toilet and includes a selector assembly and a flush valve. The selector assembly is accessible from outside the toilet and provides for initiation of the flushing operation and an alternative choice between a larger flush water volu |
| 6449779 |
Automatic toilet cleaning dispenser assembly |
September 17, 2002 |
| A cleaning dispenser assembly to be used in connection with a toilet tank is coupled to a fill valve and an overflow tube of the tank. The dispenser assembly includes a container with a removable lid. A refill tube is coupled to a fill valve of the tank and the container. Tall and short |
| 6442772 |
Advanced dual-flush valve |
September 3, 2002 |
| A flush valve is adapted to be mounted in the tank of a toilet and includes a selector assembly and a flush valve. The selector assembly is accessible from outside the toilet and provides for initiation of the flushing operation and an alternative choice between a larger flush water volu |
| 6354326 |
Toilet fill valve with improved noise abatement |
March 12, 2002 |
| A toilet fill valve includes a housing defining a water fill passage and a water inlet. A valve disposed in the passage divides the housing into a upstream portion and a downstream portion. A pressure regulator vertically oriented in the downstream portion of the housing has a spiral |
| 6339882 |
Flush valve |
January 22, 2002 |
| A flush valve is adapted for placement through a hole in the bottom of a toilet tank. The valve seat has an axis with a lower section adapted to extend through the hole and an upper section defining an opening generally perpendicular to the axis. A first sleeve communicates with a centra |
| 6182306 |
Side-mount toilet valve |
February 6, 2001 |
| A toilet fill valve includes an outlet pipe associated with a wash basin, an outlet tube associated with a wet-bowl configuration and an outlet assembly for filling the tank of the toilet. A blocking device includes a first plug for blocking the pipe in the absence of a wash basin, and a |
| 6131211 |
Low profile vacuum toilet |
October 17, 2000 |
| A vacuum assist toilet provides an efficient flushing in a tank of relatively low height. A container assembly (36) includes a largely sealed container (34) that lies within the tank (12) to hold water that is dispensed in a flushing so as to create a vacuum at the top of the tank fo |
| 6123843 |
Water treatment system |
September 26, 2000 |
| A system is provided for treating water to reduce calcium carbonate deposits. At least three or four pairs of magnets (30a-30d and 32a-32d in FIG. 2) form a group of magnets that are mounted around a water-carrying pipe (12), with the magnets spaced apart parallel to the length of the |
| 6081938 |
Dual-flush valve |
July 4, 2000 |
| A flush valve is adapted to be mounted in the tank of a toilet and includes a selector assembly and a flush valve. The selector assembly is accessible from outside the toilet and provides for initiation of the flushing operation and an alternative choice between a larger flush water volu |
| 6059261 |
Universal connector |
May 9, 2000 |
| A plumbing connector is provided to communicate water between a wall valve and a toilet. An adapter is provided to facilitate a mating relationship between threads of a first configuration on the valve and threads of a second configuration on the connector. The adapter has a cylindrical |
| 5966749 |
Adjustable flush valve |
October 19, 1999 |
| A pivotable toilet flush valve member (10) is provided, of the type that includes a float (40) with a pair of holes (44, 52) that allow the float to fill with water during a flushing to close early, and where the float can be turned to vary the amount of water used during a flushing, whe |
| 5769111 |
Leak detector |
June 23, 1998 |
| Leak detector apparatus (40) is provided for use with a toilet inlet valve assembly (12) that includes a float (30) slidable along a vertical post (32), which can be easily installed by a handyman. The leak detector apparatus includes a buoyant body (42) and a mount (44) that pivotally |
| 5699563 |
Float-controlled dual flush valve |
December 23, 1997 |
| A dual flush valve that can be operated in a partial flush mode to release only about half of the tank water to the toilet bowl, or in a full flush mode to release almost all of the tank water, is of simple and reliable construction. For a partial flushing a chain device (64, FIG. 2) con |
| 5636019 |
Air-in-water indicator |
June 3, 1997 |
| A method and apparatus are provided that indicate the amount of gas such as air in a clear liquid such as water. The apparatus includes a transparent pipe (60), an input coupling (16) at a first end of the transparent pipe, and a shutoff valve (20) at the second end of the pipe. The firs |
| 5487193 |
Enhanced operation toilet |
January 30, 1996 |
| A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum and which can be of low height. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG. 2) connected by a trapway (46), |
| 5475277 |
Differential torque motor |
December 12, 1995 |
| A PM (permanent magnet) motor is described, that uses electromagnetic current to release or pull a PM, which has increased starting torque and a large power output in a small volume. The motor includes phase units (60, FIG. 3 ) each having three electromagnets (46A-46C) and each having t |
| 5428282 |
Release-type permanent magnet motor |
June 27, 1995 |
| Improvements are described in an electric motor that includes a rotor with permanent magnets and a stator with electromagnets, of the "release" type wherein current to a "last" electromagnet that a permanent magnet is moving away from, receives only enough current to "release" the perman |
| 5426794 |
Vacuum assisted toilet with controlled vacuum |
June 27, 1995 |
| A vacuum assisted toilet is described, of the type wherein the toilet bowl outlet has a lower trap that is open to the passage of air therethrough except during each flushing when a vacuum is applied, which uses the vacuum more effectively. A vacuum source (46, FIG. 3) includes a first |
| 5406652 |
Toilet water source |
April 18, 1995 |
| A water source (12, FIG. 1) is provided for mounting on a toilet housing (32) rearward of the toilet bowl (18), which has a small rearward-to-forward depth (D) and low height (H), and which enables close control of the flow of water and any vacuum to the toilet bowl and its outlet. T |
| 5404597 |
Vacuum assist toilet trap |
April 11, 1995 |
| A vacuum assisted toilet wherein a vacuum is applied between upper and lower traps (40,44 in FIG. 2) of a toilet bowl outlet during a flushing, wherein the lower trap is constructed to more reliably assure that an air passage (64) above a pool of water (52) of the lower trap will quickly |
| 5386596 |
Water saver toilet |
February 7, 1995 |
| A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG. 2) connected by a trapway (46), with the lower trap device bei |
| 5378362 |
Apparatus for magnetically treating water |
January 3, 1995 |
| A system is provided for treating water to reduce calcium carbonate deposits. At least three or four pairs of magnets (30a-30d and 32a-32d in FIG. 2) form a group of magnets that are mounted around a water-carrying pipe (12), with the magnets spaced apart parallel to the length of the |
| 5343572 |
Pressured toilet tank flush valve |
September 6, 1994 |
| A flush valve device is described for use in a toilet that includes a pressured water source, which can drain away water in the event of excess pressure with minimal modification to the toilet and which facilitates initial operation of the flush valve device. The flush valve device i |
| 5314025 |
Fluid pumping apparatus and method of pumping fluid |
May 24, 1994 |
| A fluid pumping apparatus for producing fluid from a well through production tubing comprises an elongate hollow body to be disposed in a well bore and at least partially submerged in fluid to be produced from the well, the body including fluid inlet valve at its lower end for flow o |
| 5244148 |
Adaptable heater control |
September 14, 1993 |
| A new control is described for controlling the temperature of hot water or other fluids supplied to rooms of an apartment building or the like, which replaces a prior control. The new control acclimates tenants to the change in temperature resulting from the installation of the new contr |
| 5173971 |
Replacement flush valve |
December 29, 1992 |
| An assembly is provided for replacing part or all of a toilet flush valve, which facilitates mounting in a variety of toilets and which enables saving of water. The assembly includes an adapter (30, FIG. 6) for mounting on older types of overflow tubes, which includes a ring member ( |
| 5142712 |
Vacuum assisted toilet |
September 1, 1992 |
| A vacuum assisted toilet is described wherein a vacuum is applied to a toilet bowl outlet during flushing, which avoids malfunctions that could allow sewer gas to escape, and which uses flushing water effectively. The toilet bowl outlet includes upper and lower trap devices (40,44, FIG. |
| 5090066 |
Adapter for toilet fitting |
February 25, 1992 |
| An assembly is provided for replacing part or all of a toilet flush valve, which facilitates mounting in a variety of toilets and which enables saving of water. The assembly includes an adapter (30, FIG. 6) for mounting on older types of overflow tubes, which includes a ring member ( |
| 5042095 |
Cleaner injector system |
August 27, 1991 |
| An apparatus is provided which enables a container of cleaning fluid to lie in a water closet and dispense cleaning fluid solely into the toilet bowl rather than into the water closet. The apparatus includes a storage chamber (54) for holding granules of a chemical that dissolves in wate |
| 4938245 |
Low noise toilet tank valve |
July 3, 1990 |
| A toilet refill valve is described for refilling a water closet after each flushing, which produces minimal noise during the refill process. The valve includes a valve device which can open to pass water to a vertical outlet tube that empties into the bottom of the water closet. An a |
| 4907302 |
In-field installable closing delay cup |
March 13, 1990 |
| An improvement is provided for toilet flush valves on tanks which contain insufficient water to flush properly, which leads to waste of water by double flushing. The improvement enables in-field modification of the flush valve to substantially completely empty the tank. A closing delay |
| 4834284 |
Hot water control |
May 30, 1989 |
| A system is described for use with a hot water supply for hotels, apartment buildings and similar multi-unit structures, which controls the temperature T.sub.1 of water at the outlet of a water tank to make it close to a desired temperature DTEMP that is low during times of low deman |
| 4832259 |
Hot water heater controller |
May 23, 1989 |
| A system is described for use with a hot water supply for hotels, apartment buildings and similar multi-unit structures, which controls the temperature T.sub.1 of water at the outlet of the water tank that circulates past the units and back to the tank, to make the actual temperature |
| 4760612 |
Air regulated cleaner discharge device for toilets and the like |
August 2, 1988 |
| An air regulated cleaner discharge device is for use in a toilet water tank, the tank having a ballcock for discharging water to fill the tank from a minimum water level to a maximum water level, a flush valve connected to a toilet bowl for flushing water therein from the tank, and a |
| 4703653 |
Ballcock float structure |
November 3, 1987 |
| Improved ballcock float structures are provided including a molded, plastic, hollow body formed of cup-like lower and reverse cup-like upper parts. The parts are retained together by snap engagement between the extremities of the parts with positioning abutments for additional stabil |
| 4656676 |
Pressure activated cleaner discharge for toilets and the like |
April 14, 1987 |
| The pressure activated cleaner discharge device is used in a standard toilet water tank, the tank having a ballcock for discharging water to fill the tank from a minimum water level to a maximum water level. The tank also includes a flush valve connected to a toilet bowl for flushing |
| 4620667 |
Hot water heating system having minimum hot water use based on minimum water temperatures and ti |
November 4, 1986 |
| A conventional hot water heating system generally of the type for heating water in multiple units of hotels, motels, schools and the like and using any heating medium has a processor and control assembly which is operationally connected to at least a water temperature sensing means and |
| 4522333 |
Scheduled hot water heating based on automatically periodically adjusted historical data |
June 11, 1985 |
| A conventional hot water heating system generally of the type for heating water in multiple units of hotels, motels and the like and using any heating medium has a processor and control assembly operationally connected to at least a heating control means, a water temperature sensing |
| 4449178 |
Method and apparatus for controlled off peak load hot water heating |
May 15, 1984 |
| Apparatus and method for controlling a hot water heater to heat water during off peak load hours to a desired temperature by the end of a predetermined period of time. The heating is in partial increments, the water being heated a partial amount in each of a plurality of predetermine |
