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 |
| 7427375 | Diffuser for an annealing furnace A diffuser (24) for an annealing furnace has a plurality of radially extending generally and vertically oriented vanes (40) for radially directing furnace gases. The vanes have top edges (42) defining a generally planar support and the top edges... | 09/23/2008 |
| 6840765 | Multi-layered heat treatment furnace, heat treatment unit, and method of heat treatment There is provided a heat treatment unit which uses a multi-layered heat treatment furnace (1) comprising a layer of fluidized bed (2) composed of particles and another layer of atmosphere layer (3) composed of gases, the former being excellent i... | 01/11/2005 |
| 5755568 | Multiple flame torch apparatus The oxygen-fuel torch includes a torch body having fuel gas and oxygen conduits for conducting the respective gas to the torch head and therethrough to a torch tip. The torch tip is connected through an adaptor to the torch head and includes an elongated ... | 05/26/1998 |
| 5178535 | Heating tool A device for heating an article such as a heat-shrinkable sleeve (12) by means of a gas torch comprising an element (8) which is mounted on the torch and will deflect hot gases from the torch burner (7) and side arms (9) that are movable between two posit... | 01/12/1993 |
| 4611988 | Coiler-furnace unit For a heating of a coil of strip with hot gas without an increased formation of scale, a coiler-furnace unit comprising a heat-insulating housing, a coiler mandrel disposed in said housing, and a heating tube which is adapted to surround the coiler mandre... | 09/16/1986 |
