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...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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Class 431/52 - First burner manual reset valve cut off


Subclass of Class 431 - Combustion
Definition: Apparatus including valve means for the first burner that
No. of patents: 6
Last issue date: 05/09/2000


NumberTitleIssue Date
6059562Gas appliance with automatic gas shut-off device responsive to flame outage
A gas appliance is provided for producing an open flame. The gas appliance includes an elongated gas tube, a gas inlet, a nozzle, a flame sensor, a gas shut-off valve, and a protective member. The gas tube has a proximal end and a distal end. The gas inle...
05/09/2000
5975884Stand-alone device for igniting, regulating and operating gas appliances
A temperature control system for gas operated devices. The system includes a burner (23) that is connected to a gas supply through a regulator (41). A pilot light assembly (26) has a first vane (29) and a second vane (32) which provide a flame for ignitin...
11/02/1999
4442853Safety gas valve with latch
A safety gas valve with latch against non-permitted reopening has the connector of the thermoelectric power unit located on the same side of the housing as the push button of the operating rod which is born shiftable and turnable in the housing. For this ...
04/17/1984
4221557Apparatus for detecting the occurrence of inadequate levels of combustion air at a flame
A sensor of inadequate combustion conditions at a main burner, comprising a small auxiliary gas burner the primary air-gas flow to which consists of a predetermined fraction of the flow of primary air and gas to the main burner plus a predetermined fracti...
09/09/1980
4131413Self-contained electric igniter with rechargeable battery
A self-contained electric igniter in which the ignition pilot is actuated by a rechargeable battery to supply energy for the spark provided by an igniter. All energy for opening the valve of the main gas valve is supplied by a millivolt thermopile generat...
12/26/1978
3973576Gas valve with pilot safety apparatus
A gas valve has a single operating knob for providing the operation of a pilot valve and the resetting operation of a thermocouple controlled safety apparatus with a "supersafe" operation. Specifically, the gas valve has a main operating shaft adapted for...
08/10/1976
 
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