Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7252502 | Method 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 |
| 5787874 | Gas-fired ceramic-cooktop burner A cooking assembly has a main burner, a pilot burner mounted in it and having a vent, a gas valve having separate main and pilot gas outlets, and a main-burner controller including a temperature sensor on the main burner, a control unit on the valve capab... | 08/04/1998 |
| 5347982 | Flame monitor safeguard system A gas burning fireplace having a burner for producing a flame. A rod in the vicinity of the burner. A gap between the burner and the rod and wherein a flame is produced in the gap. An apparatus for monitoring the presence of a flame including a battery fo... | 09/20/1994 |
| 5161963 | Multi-burner gas control apparatus Gas control apparatus to regulate the flow of gas to a plurality of burners is disclosed. The apparatus permits a main gas solenoid valve to be actuated for a pre-determined period of time allowing the burners to be ignited. If the burners are not ignited... | 11/10/1992 |
| 4802841 | Operation apparatus An apparatus which is operated for opening and maintaining the flow of a gaseous fuel to a burner only after the fuel is ignited in a gas appliance, such as a gas room heater. More specifically, the apparatus has a lever with three operating positions, a ... | 02/07/1989 |
| 4273529 | Piezoelectric ignition device A piezoelectric ignition device of the type having a base mount formed with a window in which a piezoelectric element is fixedly mounted and a cylindrical hammer is axially movable and urged by a coiled spring toward the piezoelectric element. The entire ... | 06/16/1981 |
| 4242078 | Centralized automatic pilot/pilotless ignition control system An automatic ignition control system for controlling the pilot burners and main burners of fuel burning appliances so that these burners are ignited only upon demand is disclosed. The system consists of a main control unit which may be interconnected with... | 12/30/1980 |
| 4110065 | Cock apparatus of automatic ignition type for gas appliance A cock apparatus of automatic ignition type for use in a gas appliance including an ignition handle, a valve member disposed within the cock body for rotation with the turning movement of the ignition handle thereby supplying gas to a main burner and a pi... | 08/29/1978 |
| 3954384 | Burner system A burner system employs a fuel control which supplies fuel flow to a pilot burner and a main burner and which energizes an electric igniter adjacent the pilot burner for igniting the pilot burner. A valve between the control and the main burner is opened ... | 05/04/1976 |
| 3938936 | Fluid control system A fluid control system for use with combustion apparatus including a valve assembly having first and second serially connected valves positioned between the inlet and outlet of the valve assembly. First and second actuators respectively connected to opera... | 02/17/1976 |
| 3938935 | Control systems for gaseous fuel fired appliances A control unit for a gas-fired appliance comprises a service tap that acts also as a flame failure device. The flame failure device controls gas flow to a gas governor which is an integral part of the unit and associated with the gas governor is a low gas... | 02/17/1976 |
