Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 6942482 | Combustion 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 |
| 6918194 | Heating configuration for a drier A heating configuration for a drier, particularly for a laundry drier, has a burner with a burner head, a first heating channel with an inlet opening and an outlet opening, and a second heating channel with an inlet opening and an outlet opening. The cross-sectional... | 07/19/2005 |
| 4341945 | Fire extinguishing device for electrophotocopier A fire extinguishing device for use with a heat fusing apparatus in an electrophotocopying machine, comprising a roller movably mounted above a copy paper conveyor associated with and located downstream of the heat fusing apparatus, means for moving the r... | 07/27/1982 |
| 4292954 | Wood burning heater A wood burning furnace or space heater having a jacket surrounding a firebox and forming a plenum through which air to be heated is forced by a fan. There is a door in the jacket which automatically opens in the event of a failure of a fan, and thus exces... | 10/06/1981 |
| 4190414 | Fail-safe gas feed and ignition sequence control apparatus and method for a gas-fired appliance A fail-safe apparatus and method for controlling the sequence of gas feed and ignition, such as by an incandescent igniter, in a gas-fired appliance, such as a thermostatically controlled timer activated clothes dryer. When the appliance is activated by t... | 02/26/1980 |
| 4101266 | Fire prevention device for the fixing stage of an electrophotographic machine A fire prevention device for a fixing stage of an electrophotographic copying machine includes a heat shield plate movable to close the fixing stage. The heat shield plate may be controlled by a control mechanism having first and second solenoids so that ... | 07/18/1978 |
| 3967614 | Gas fired fusion furnace and fusion head assembly In an assembly of fusion furnace and fusion head for applying heat to plastic pieces to be fused, the furnace being fired with gaseous fuel fed through a conduit to a burner head in the furnace from a source of fuel, a temperature sensing probe projects i... | 07/06/1976 |
