Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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.
| Number | Title | Issue Date |
| 8086418 | Imperfect combustion detecting device An imperfect combustion detecting device includes a destructive current supplying means which supplies, under a condition that it is determined by a useful life determining means that a deterioration status corresponding value matches a use limit value, destructive ... | 12/27/2011 |
| 8074636 | Warm air furnace A warm air furnace capable of reliably carrying out a fuel consumption conserving operation regardless of a heating load is equipped with an ecology operation setting unit for setting a saving operation function and a moderate operation function. The saving operatio... | 12/13/2011 |
| 8065097 | Energy usage display unit An energy usage display unit for displaying energy usage of gas used for a water heater, water used for the water heater or electricity used in housing where the water heater is set. The energy usage display unit includes a clock section; a counting section for coun... | 11/22/2011 |
| 7955072 | Forced air supply combustion apparatus A combustion apparatus with an air supply chamber in a lower part partitioned by a partition plate from an arrangement section of a burner unit and a primary air chamber in a front part stands from a front end of the air supply chamber are provided in a combustion h... | 06/07/2011 |
| 7931468 | All primary combustion burner In an all primary combustion burner, a partition plate that demarcates a mixing chamber between the partition plate and a bottom wall section of a burner main body and a distributing plate that sections a space between the partition plate and the combustion plate in... | 04/26/2011 |
| 7902959 | Radio communication system of water heater A radio communication system of a water heater comprising a slave set which remotely operates a water heater main body by radio communication, and a master set which continuously communicates with the water heater main body by wired communication and which intermitt... | 03/08/2011 |
| 7874288 | Gas combustion apparatus An outer case 10 accommodating a gas combustion apparatus main body comprises a case main body 2 opening forward, and a front cover 3 closing a front end opening of the case main body 2. A waterproof packing material 17 is sandwich... | 01/25/2011 |
| 7824177 | Combustion apparatus Provided is a combustion apparatus that can positively prevent a combustible gas present in the vicinity from catching fire in performing prepurge, which involves exhausting air from a combustion chamber provided with a burner, before igniting the burner. The combus... | 11/02/2010 |
| 7806345 | In-wall heater In an in-wall heater, in which control equipment 11, 12 is disposed in a side space 10 on one lateral side of a combustion housing 2 within an outer case 1 and an exhaust duct 15 is disposed in a side space 13 on the other l... | 10/05/2010 |
| 7671759 | Remote control unit There is provided a remote control unit capable of setting time by a simple operation at a time when a battery is attached. In the remote control unit which is operated by the battery to remote-control operation start and stop of an apparatus main body and in which ... | 03/02/2010 |
| 7628607 | Gas cooking appliance A microcomputer 51 of an electronic circuit unit 50 actuates an electric motor (stepping motor) 20 driving a thermal power control valve of a burner during or just after extinguishment of the burner to displace the thermal power control valve to... | 12/08/2009 |
| 7628123 | Combined hot water supply system A water heater constituting a combined hot water supply system opens, in starting operation in response to an instruction from a connection controller in STEP 1, a water-supply servo valve to an operation start opening As corresponding to a water quantity sli... | 12/08/2009 |
| 7600696 | Hot water supply system A hot water supply system having a hot water supply system body. An operation box is inserted into a window opened in a front panel of the hot water supply system body, and a box cover having an opening to which an operation unit in a front center region of the oper... | 10/13/2009 |
| 7597066 | Circulation type hot water supply device There is provided a circulation type hot water supply device in which a downstream end of a hot water delivering channel 6 connected to a heat exchanger 4 of a water heater 1 is connected to a water supply channel 5 upstream of the heat e... | 10/06/2009 |
| 7591434 | Hot water supply system A hot water supply system includes: a casing 1 having an opening in a front face; a front panel 2 covering the front face of the casing; and a console box 7 attached to the casing. The front panel has a window into which the console box is to be... | 09/22/2009 |
| 7532982 | Freeze forecasting device for hot water heating apparatus and hot water heating apparatus A freeze forecasting device for a hot water heating apparatus, for forecasting a possibility of freeze of water in a water passage circuit due to reduction in outside air temperature at a forecast target time on a forecast target day. The device includes a clock por... | 05/12/2009 |
| 7529593 | Hot water supply system A hot water supply system which allows two hot water supply apparatuses to operate cooperatively and which can avoid degrading a hot water supply capability when one of the two hot water supply apparatuses cannot perform as a master or slave. The two hot water suppl... | 05/05/2009 |
| 7471186 | Radio remote control system It is an object of the invention to provide a radio remote controller system that, when power saving for a radio remote controller is realized by intermittently setting a data receivable period in the radio remote controller, can easily and flexibly change a length ... | 12/30/2008 |
| 7432845 | Hot-water supply system To provide an inexpensive hot-water supply system that allows a user to readily select a desired unit for a physical quantity indicated on a display section of a remote controller. A bathroom-installed remote controller 4 is provided with a indication unit sw... | 10/07/2008 |
| 7428901 | Cooking stove A cooking stove that prevents the execution of a process such as ignition of a burner when a touch switch changes from a non-sensing state to a sensing state. In STEP201, when a first touch switch, which is one of the touch switches provided in an operation, ... | 09/30/2008 |
| 7422010 | Cooking stove A cooking stove that prevents a burner from being ignited when a touch switch shifts from a non-sensing to a sensing state. An operation portion having a touch switch is provided on a glass top plate of a cooking stove main body which accommodates burners. The touch... | 09/09/2008 |
