U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 137/66 - Thermo-electric


Subclass of Class 137 - Fluid handling
Definition: Control systems wherein the safety valve is retained in
No. of patents: 81
Last issue date: 04/27/2010


1      
NumberTitleIssue Date
7703470Safety switch of gas stove
A safety switch of a gas stove includes a main member including a cone valve chamber, a first chamber, a second chamber, an input tunnel, a first output tunnel and a second output tunnel connected to the second chamber and outside. A close member, an electromagnetic...
04/27/2010
7316241Steam trap
A steam trap comprises a trap body having an inlet and an outlet each defining inner threads. The trap body further includes a spigot defining external threads. Also provided is a cap defining internal threads for engaging the external threads of the spigot of the t...
01/08/2008
7312680Manual switch-off device of a permanent magnet switch operating mechanism
The present invention relates to a device that allows an output shaft to perform axial motion and automatic locking, in particular, a manual switch-off device for a permanent magnet switch operating mechanism. A large shoe plate and a small shoe plate are fixed onto...
12/25/2007
7256344Electrothermal device for ignition and flame detection in gas burners
A single thermoelectric device designed to operate both as an igniter and flame detector for gas burners is described. Ignition is performed via heating, by Joule effect, of a conductor which can have, preferably, catalytic activity on the combustion while the flame...
08/14/2007
7252109Safety device for a lighting valve of a gas burner
A safety device (61) for a lighting valve (23) of a gas burner, comprising a starting button (36), a return spring (57), a cutoff shutter (42) controlled by the starting button (36), a control shutter (41) for a pilot...
08/07/2007
7252502Method and system for combined standing pilot safety and temperature setting
The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a manual pilot valve and an automatic pilot valve. The exemplary embodiments can comprise a selectable inpu...
08/07/2007
7134871Timer device for gas stove for allowing gas-turning off automatically
A timer device for gas stove for allowing gas turning-off automatically, which comprising a housing, a disc-like wheel, a motor, a driving wheel, an microswitch and a timing circuit, wherein the housing mounted on a surface of a gas stove, an top surface and a botto...
11/14/2006
7131462Gas control valve assembly
A gas control valve assembly includes a valve seat, the valve seat having a gas inlet, first and second gas outlets, a gas passageway in communication between the gas inlet and the gas outlets, and three mounting holes in communication with the gas passageway, a fir...
11/07/2006
7133726Thermal cycler for PCR
An instrument for PCR comprising an assembly, a heated cover, and a computer. The assembly can include a sample block, Peltier devices, and a heat sink, clamped together. The sample block temperature can be changed by controlling the Peltier devices with the compute...
11/07/2006
7111642Valve having fast and slow acting closure elements
A first valve portion and a second valve portion are arranged in series in a flow passage within a valve casing to open and close the flow passage. The first valve portion includes a first valve seat, a first valve element supported to a first valve shaft and adapte...
09/26/2006
7073526Connecting an electrical cut-off switch in a gas appliance
A gas control valve is provided for a gas appliance that includes an electrical cut-off (ECO) switch, and a thermocouple having an electrical terminal. The gas control valve includes a control valve housing having a bore therein, an automatic pilot valve magnet disp...
07/11/2006
7047995Gas valve switch structure of gas stove
A gas valve switch structure of a gas stove includes a top base, an aluminum plate, a sealing washer, two rubber washers, two fixing pieces, a female base, and a protective plate. The protective plate is used for sealing the rubber washer and the fixing piece in the...
05/23/2006
6968853Power operated gas valve for heating, with a safety valve
The motor-operated valve for regulating a gas flow is the lift type with a modulating valve cut-off member (11), coupled to a valve spindle (10,10a) sliding linearly along a central gas flow conduit (5). A flame safety valve is open initi...
11/29/2005
6957657Safety valve, in particular for cooking plate gas and related mounting method
The invention concerns a safety gas valve (1) provided with a safety closure (23) and an operating lever (12) for the closure. The lever (12) is mounted mobile in rotation about an axis L in a cavity (34) circulating the gas and co...
10/25/2005
6942482Combustion control device
A safety circuit 31, which compulsorily closes an on-off valve for supplying a gas to a burner when a microcomputer for performing a combustion control is in an abnormal condition, does not operate unless abnormality occurs to the microcomputer 1, and ...
09/13/2005
6938634Fuel control mechanism and associated method of use
A control device for regulating delivery of fuel and an associated method of use is disclosed. The control device includes an inlet, an electromagnetic safety valve, having a thermocouple connection, a control valve, wherein the electromagnetic safety valve selectiv...
09/06/2005
6932101Solenoid valve assembly for controlling gas supply
A solenoid valve assembly for controlling gas supply and opening and closing gas supply with a regulation function generally includes a solenoid valve assembly having a housing, a diaphragm assembly, a first and second solenoid valves, a first and second valve bodie...
08/23/2005
6910405On/off switch for liquid additive injection pump
Operation of a system for injecting a predetermined amount of a secondary fluid into a primary fluid stream. The system uses a liquid additive injection pump driven by a fluid powered motor that is driven by the primary fluid stream and can be selectively suspended ...
06/28/2005
6899118Single coil two operator controller
A single coil, two operator controller for simultaneously actuating two spaced apart magnetically responsive operators has a bar extending between the spaced apart operators, and a coil on the bar, between the operators for creating a magnetic field for moving the m...
05/31/2005
6886581Gas valve with a thermoelectric security device
This invention reveals an improved gas valve with a thermoelectric security device that has a shortened distance from the gas inlet to the front of an appliance, enabling the overall size of the appliance to be smaller than normal for this type of device. The...
05/03/2005
6840261Gas valve switch structure of gas stove
A gas valve switch structure of a gas stove includes a top base, an aluminum plate, a sealing washer, two rubber washers two fixing pieces, a female base, and a protective plate. The protective plate is used for sealing the rubber washer and the fixing piece in the ...
01/11/2005
6786225Three-stage relay control
A three-stage relay control is provided for regulating the flow of gas through, for example, gas valves. The relay control includes a control arm for providing three levels of gas flow and having three adjustment screws, one for controlling the flow at each stage of...
09/07/2004
6769447Gas control assembly
A gas control assembly for controlling supply of fuel gas to a gas burner. The assembly includes a housing having an elongate body with a longitudinally extending gas flow passage, an inlet into the passage for gas communication with a manifold, and an outlet from t...
08/03/2004
6766820Field 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
6672326Valve unit for controlling the delivery of a combustible gas
A valve unit for controlling the delivery of a combustible gas through a gas path comprises a first valve seat in the gas path and a first closure means associated with the seat, a first actuator means for the control of the closure means for opening and ...
01/06/2004
6640802Device for manual actuation of a gas distribution valve connected to a burner
The invention relates to an actuation device of a gas distribution valve connected to a burner provided with a control thermocouple of the flame presence, said valve (100) comprising: a gas inlet duct (1); two or more gas delivery ducts (2, 3, 4); gas int...
11/04/2003
6604538Adjustable fluid flow regulator with adjustment limit
An improved adjustable fluid flow regulator having a regulator chamber, a moveable diaphragm within the regulator chamber, a spring that acts upon the diaphragm to regulate the flow of fluid, and a first adjustment member and second adjustment member for ...
08/12/2003
6604540Gas control valve in water heater
A gas control valve is provided with a unipolar overheat prevention terminal of which the connection structure is simplified in a magnetic circuit. In a flame-retention, storage type closed vessel gas water heater for automatically controlling the tempera...
08/12/2003
6598621Magnetic drives
A magnetic device is formed from a permanent magnet (12, 14) generating magnetic flux, and an armature (10) which can occupy either a first air gap in which the flux is in one direction, or a second air gap in which the flux is in the opposite direction, ...
07/29/2003
6571829Gas control valve in water heater
A gas control valve in a water heater is provided for improving the ease of assembling, minimizing the size and the cost, and decreasing the limitation of layout design. For example, in a flame-retention, storage type closed vessel gas water heater for au...
06/03/2003
6536459Control valve structure of a gas burner
A control valve structure of a gas burner includes a female base, a top base, and a coil base. The control panel energizes the coil base to generate a magnetic field, whereby the magnetic column is displaced upward by the magnetic force of the coil base, ...
03/25/2003
6520199Gas valve switch structure of gas stove
A gas valve switch structure of a gas stove includes a top base, an aluminum plate, a sealing washer, two rubber washers, two fixing pieces, a female base, and a protective plate. The protective plate is used for sealing the rubber washer and the fixing p...
02/18/2003
6498495Method and apparatus for testing fuel gas control systems for gas fired appliances
Disclosed herein are a methods for testing operability of a thermocouple device and operability of a safety valve solenoid and ECO fuse circuit all in a fuel gas control system for a gas fired appliance. Also disclose are apparatus for carrying out such m...
12/24/2002
6364656Gas burner
A gas burner includes a gas valve block having a gas input control part connected to a fuel gas source and a gas output control part connected to a flame tube and gas nozzle for producing an igniting flame for burning fuel gas outputted through the flame ...
04/02/2002
6352428Valve arrangement for controlling a gas fireplace
Valve arrangement (1,2) for automatically controlling the gas flow in the burner of a gas fireplace appliance, comprising a manual flow regulating tap (1) connected to the gas supply and provided with a rotary control knob (1a), a gas switching servovalve...
03/05/2002
6322352Gas burner system
A stove burner safety system has an electromagnetic valve and a manual gas cock controlling the gas flow to the burner and a spark plug adjacent the burner which receives a spark pulse from the electric circuitry which also controls an electromagnetic val...
11/27/2001
6263908Slow opening gas valve
An improved slow opening gas valve providing for continuous gradual and smooth opening of the gas valve includes an expansible auxiliary chamber connected to an expansible control chamber by a metering orifice. The expansible auxiliary chamber slows expan...
07/24/2001
6234189Gas valve with thermoelectric safety shutoff
A gas-valve assembly has a housing having an inlet port, an outlet port, and a passage extending between the ports and defining an axis, a valve plug rotatable about the axis in the housing in the passage between a closed end position blocking flow betwee...
05/22/2001
6213152Safety gas valve arrangement for a cooking hob
Safety gas valve arrangement on a cooking hob provided with a main gas supply rail (5), a set of various burners and the same number of manually regulated taps (3) provided with a rotatory regulating spindle (3a) and an outlet duct (3b), the safety valve ...
04/10/2001
6192913Gas valve for pilotless gas burner
A control valve assembly for a pilotless gas burner in which the valve has a gas inlet port and a single gas outlet port. Interposed between the gas inlet port and the single gas outlet port is a sleeve that provides predetermined amounts of gas flow to t...
02/27/2001
1      
 
Sign InRegister
Username  
Password   
forgot password?