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 |
| 7424896 | Automatic flow shut-off system An automatic system which includes a tripper unit for actuating a device (e.g. valve-closing actuator) upon contact with water. Basically, the tripper unit is comprised of a housing having a cartridge therein which, in turn, is wrapped with an adsorbent paper which ... | 09/16/2008 |
| 7322423 | Dry pipe valve for fire protection sprinkler system A fire protection system comprises a supply pipe having a first fluid pressurized to a first pressure and a network of pipes having a plurality of sprinklers. The network of pipes have a second fluid being pressurized to a second pressure at approximately 5.5 times ... | 01/29/2008 |
| 7287727 | Aircraft evacuation slide inflator having valve leakage trap and safety vent An inflatable aircraft evacuation slide system includes a primary valve, a bust disk and a valve leakage trap operatively disposed between the primary valve and the burst disk. The valve leakage trap comprises a small exhaust vent opening into a flow restriction ori... | 10/30/2007 |
| 7255178 | Drillable bridge plug A method and apparatus for use in a subterranean well is described. The apparatus typically includes a mandrel and a packing element. The mandrel may have an outer surface and a non-circular cross-section and a the packing element may be arranged about the mandrel, ... | 08/14/2007 |
| 7201359 | Manual pressing device for a flusher A manual pressing device for a flusher includes a stop ring, a pressing rod unit, a spring, and a nut. The manual-pressing device is located in a lateral hole of the body of a flusher, normally stopping water in the flusher or pressed to connect a lengthwise hole in... | 04/10/2007 |
| 7178787 | Valve assembly An improved valve assembly (100) includes a primary spring (142) which extends along a valve stem (144). A spring retainer (150) holds the primary spring (142) on the valve stem (144) and has a thread convolution (152... | 02/20/2007 |
| 7082959 | Shutoff valve system with leak detector A pilot operated shutoff valve system with leak detector for automatically shutting off a water supply to appliances such as a clothes washing machine, dishwashing machine, sink, toilet, or refrigerator equipped with an ice maker, comprising a sealing member movable... | 08/01/2006 |
| 6968852 | Shock actuated responsive mechanism with improved dual safety means to prevent over-rotation of the valve reset mechanism and to provide easy access to the reset knob A shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The shock responsive valve assembly has a flow control mechanism having a cradle that holds a ... | 11/29/2005 |
| 6926025 | Shock actuated responsive mechanism with improved leveraged valve closing activation means for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism having a cr... | 08/09/2005 |
| 6899122 | Safety shutoff apparatus and method Safety shutoff apparatus can close a valve using a pressure operable device coupled to and acting upon the valve. The proximal end of a pressure line is coupled to the pressure operable device for applying fluid pressure thereto in order to operate the pressure oper... | 05/31/2005 |
| 6895990 | Water heater fail safe apparatus Apparatus for automatically shutting off the water supply to a leaking water heater includes a water collecting tray positionable beneath the heater, a valve mechanism attachable to the tray, a float mechanism, and an action arm interactive between the float mechani... | 05/24/2005 |
| 6837256 | Filler tube mounted fuel tank refueling valve A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The poppet is opened by fuel discharging from a refueling nozzle and the valv... | 01/04/2005 |
| 6820856 | Manually-opened and latchable with only residual magnetism, two-way two-position fluid control valve assembly and methods of operation A disclosed is a 2-way 2-position fluid control valve assembly operable to manually open and automatically block fluid flow therethrough. The fluid control valve assembly includes a valve and an electromagnetic actuator having an armature and a pole piece. The valve... | 11/23/2004 |
| 6810963 | Dry pipe valve for fire protection sprinkler system A differential-type dry pipe valve for a fire protection sprinkler system has a ratio of effective air sealing area to service water sealing area that is smaller than a ratio of service water pressure to system air pressure at which the fire protection sprinkler sys... | 11/02/2004 |
| 6792967 | Shutoff valve system with leak detector A latched, spring loaded valve having a water sensor and an activation mechanism shuts off water supply, when a water leak is detected, to specific application as cloths washing machines, dishwashing machines, sinks, toilets, and refrigerators equipped with ice make... | 09/21/2004 |
| 6789560 | Shock actuated responsive mechanism with improved safety means to prevent over-rotation of the valve reset mechanism A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism having a cr... | 09/14/2004 |
| 6769448 | Actuating device A temperature dependent actuating device for a valve having a closure member which must be moved from a first to a second position to close the valve, the actuating device comprising a body, an actuating member supported by the body and moveable from a first non-act... | 08/03/2004 |
| 6766820 | Field adjustable pilot guard An improved pilot guard for controlling the flow of gaseous fuel to both a pilot burner and a main burner, the pilot valve comprising a housing having an inlet port, a pilot port and a main burner port; a bore extending through the housing between the pilot port and... | 07/27/2004 |
| 6543471 | Water heater fail safe apparatus An apparatus for automatically shutting off a water supply to a leaking water heater includes a water-collecting tray adapted to be positioned beneath a water heater, and a float mechanism removably attachable to the tray. The float mechanism has a float ... | 04/08/2003 |
| 6527004 | Shock actuated responsive mechanism for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism ... | 03/04/2003 |
| 6502599 | Shock actuated responsive mechanism for vertical fluid valve assemblies A vertical shock responsive fluid valve assembly capable of automatically closing a fluid valve in response to earthquake forces or other shock forces of a predetermined magnitude. The vertical shock responsive valve assembly has a flow control mechanism ... | 01/07/2003 |
| 6394122 | Shock actuated sensor for fluid valve The improved shock actuated sensor is used with shock activation valves which have a shock activation control mechanism. The control mechanism includes a pedestal with a vertical tube disposed thereround and a weight in the form of a ball supported on the... | 05/28/2002 |
| 6363962 | Crash valve actuator A crash valve is located in a liquid tight dispenser pan at a gasoline service station to close a conduit conveying gasoline to a gasoline dispensing unit to prevent uncontrolled flow of gasoline in the event a vehicle crashes into the dispensing unit. Th... | 04/02/2002 |
| 6336469 | Domestic hot water service inlet shut off valve triggered by fluid level in overflow tray A mechanism for opening or closing a shut-off valve, the mechanism having a valve actuator for moving the valve from a first position to a second position, an urging means, a trigger which, when activated, triggers operation of the valve actuator, the tri... | 01/08/2002 |
| 6283448 | Offset butterfly valve An offset butterfly valve with a valve body, air flow conduit extending there through, and an offset rotatably mounted valve plate. The air flow conduit has with no interruptions to impede air flow there through. Cross sections along any location of the c... | 09/04/2001 |
| 6276388 | Movement detector and fluid shut-off device A movement detector and fluid shut-off device, including a housing having an ingress and egress for fluid flow. The device including a valve shut-off means for selectively blocking fluid flow. The valve shut-off means includes a plunger normally urged tow... | 08/21/2001 |
| 6253785 | Automatic leak shutoff device A water supply shutoff valve system is used with a fluid storage tank, such as a hot water heater, to automatically shut off the water supply to the storage tank as a result of leak containment which in turn causes a magnetic float to rise and consequentl... | 07/03/2001 |
| 6206337 | Automatic flood control ball valve An automatic shutoff valve for shutting off the main water supply to a building in the case of detected water leak. A ball valve is provided with a mounting kit for rendering the valve automatic. The apparatus includes a housing adapted to fit over the va... | 03/27/2001 |
| 6170509 | Safety valve system A safety device for shutting off a gas valve at the detection of a gas leak has an add-on adaptor device having a first knob mounted over an existing gas knob and affixed thereto; a spindle coupled to the first knob, capable of rotating the fist knob, and... | 01/09/2001 |
| 6032921 | Engine shutdown valve An engine shutdown valve comprises a housing and a gate movable within a housing between a first position where the air flow through the shutdown valve is substantially unrestricted to a second position where the opening is restricted thereby stopping air... | 03/07/2000 |
| 5966076 | Fluid leak detector and shut-off device The invention is a shut-off device for a gas or liquid conduit that closes the conduit upon receiving a signal from a leak detector. The shut off device is a spring biased full flow ball valve positioned in the fluid conduit that closes upon receiving a s... | 10/12/1999 |
| 5927328 | Self closing faucet with timing mechanism A faucet 10 includes a self closing faucet handle 16 having an escapement mechanism (77) in series with both a release ratchet (102) and a slip clutch (110) to provide ease in turning on the faucet and the option of a quick manual closing of the faucet va... | 07/27/1999 |
| 5697397 | Remote valve control actuator apparatus An apparatus for controlling the a valve by a coded electromagnetic signal comprises a saddle assembly for installation on a valve. The saddle assembly includes an aperture allowing for placement over a valve stem and a valve saddle having two arm element... | 12/16/1997 |
| 5682919 | Float controlled valve shut-off assembly An apparatus for shutting off an impact valve being closeable by a latch bar in response to an accumulation of gasoline within a containment box, the apparatus comprising a cam being rotatable about an axis while displacing the latch bar to a closed posit... | 11/04/1997 |
| 5464190 | Foot-operated valve A foot-operated valve includes a valve set with a hollow seat and a push rod that extends movably and slidably into the hollow seat and that has a bottom end with a plug provided therearound. The push rod is biased so that the plug blocks normally a dista... | 11/07/1995 |
| 5404910 | Control device which can be fitted to a tap for regulating and cutting off a flow of combustible gas The control includes a base on which a knob, which is intended to be fixed to a control member of the tap, is rotatable to regulate the gas-flow. The knob is associated with a resilient return device which is adapted to assume a preloaded configuration, i... | 04/11/1995 |
| 5357950 | Breath actuated positive pressure demand regulator with override A positive pressure demand regulator having a housing with a connection for delivering breathing gas with an outlet connected to the housing for attachment to a mask. A diaphragm is mounted in the housing and a passage connects the outlet and the diaphrag... | 10/25/1994 |
| 5343884 | Self-closing gate valve system and external self-closing actuator mechanism therefor A self-closing actuator mechanism and a gate valve system equipped with the actuator mechanism, in which a coil spring acts on a gate valve actuating arm only in a closing direction, the coil spring being held in a compressed condition by retaining clips ... | 09/06/1994 |
| 5297573 | Overspeed safety device An overspeed safety device for a pneumatic rotation motor comprises a housing (10, 18) and a valve element (28) which is located in a bore (27) in the housing (10, 18) and which by a trip device (29, 31) is locked in a normally open position and arranged ... | 03/29/1994 |
| 5298088 | One-quarter turn ball valve closer A valve closer for a valve installed in a flow line of a flammable liquid or other hazardous flowable material which is normally open with the closer of the present invention automatically moving the valve to closed position by turning the valve one-quart... | 03/29/1994 |
